diff --git a/src/ui/Ui_semesterapparat_ui.py b/src/ui/Ui_semesterapparat_ui.py
index b989c33..ed64d65 100644
--- a/src/ui/Ui_semesterapparat_ui.py
+++ b/src/ui/Ui_semesterapparat_ui.py
@@ -35,7 +35,7 @@ class Ui_MainWindow(object):
         self.centralwidget.setSizePolicy(sizePolicy)
         self.centralwidget.setObjectName("centralwidget")
         self.verticalLayoutWidget = QtWidgets.QWidget(parent=self.centralwidget)
-        self.verticalLayoutWidget.setGeometry(QtCore.QRect(0, 0, 1271, 771))
+        self.verticalLayoutWidget.setGeometry(QtCore.QRect(0, 0, 1271, 751))
         self.verticalLayoutWidget.setObjectName("verticalLayoutWidget")
         self.mainLayout = QtWidgets.QVBoxLayout(self.verticalLayoutWidget)
         self.mainLayout.setContentsMargins(0, 0, 0, 0)
@@ -47,14 +47,14 @@ class Ui_MainWindow(object):
         self.tabWidget = QtWidgets.QTabWidget(parent=self.verticalLayoutWidget)
         self.tabWidget.setFocusPolicy(QtCore.Qt.FocusPolicy.NoFocus)
         self.tabWidget.setObjectName("tabWidget")
-        self.tab = QtWidgets.QWidget()
+        self.createApparat = QtWidgets.QWidget()
         sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Policy.Preferred, QtWidgets.QSizePolicy.Policy.Preferred)
         sizePolicy.setHorizontalStretch(0)
         sizePolicy.setVerticalStretch(0)
-        sizePolicy.setHeightForWidth(self.tab.sizePolicy().hasHeightForWidth())
-        self.tab.setSizePolicy(sizePolicy)
-        self.tab.setObjectName("tab")
-        self.horizontalLayoutWidget_2 = QtWidgets.QWidget(parent=self.tab)
+        sizePolicy.setHeightForWidth(self.createApparat.sizePolicy().hasHeightForWidth())
+        self.createApparat.setSizePolicy(sizePolicy)
+        self.createApparat.setObjectName("createApparat")
+        self.horizontalLayoutWidget_2 = QtWidgets.QWidget(parent=self.createApparat)
         self.horizontalLayoutWidget_2.setGeometry(QtCore.QRect(0, 0, 1261, 163))
         self.horizontalLayoutWidget_2.setObjectName("horizontalLayoutWidget_2")
         self.horizontalLayout_2 = QtWidgets.QHBoxLayout(self.horizontalLayoutWidget_2)
@@ -106,12 +106,12 @@ class Ui_MainWindow(object):
         self.tableWidget_apparate.horizontalHeader().setCascadingSectionResizes(True)
         self.formLayout.setWidget(1, QtWidgets.QFormLayout.ItemRole.FieldRole, self.tableWidget_apparate)
         self.horizontalLayout_2.addLayout(self.formLayout)
-        self.line = QtWidgets.QFrame(parent=self.tab)
+        self.line = QtWidgets.QFrame(parent=self.createApparat)
         self.line.setGeometry(QtCore.QRect(0, 160, 1261, 21))
         self.line.setFrameShape(QtWidgets.QFrame.Shape.HLine)
         self.line.setFrameShadow(QtWidgets.QFrame.Shadow.Sunken)
         self.line.setObjectName("line")
-        self.gridLayoutWidget_2 = QtWidgets.QWidget(parent=self.tab)
+        self.gridLayoutWidget_2 = QtWidgets.QWidget(parent=self.createApparat)
         self.gridLayoutWidget_2.setEnabled(True)
         self.gridLayoutWidget_2.setGeometry(QtCore.QRect(0, 180, 1261, 511))
         self.gridLayoutWidget_2.setObjectName("gridLayoutWidget_2")
@@ -285,7 +285,7 @@ class Ui_MainWindow(object):
         self.appname_mand.setFont(font)
         self.appname_mand.setObjectName("appname_mand")
         self.profname_mand = QtWidgets.QLabel(parent=self.app_group_box)
-        self.profname_mand.setGeometry(QtCore.QRect(110, 110, 47, 21))
+        self.profname_mand.setGeometry(QtCore.QRect(110, 110, 16, 21))
         font = QtGui.QFont()
         font.setPointSize(9)
         font.setBold(False)
@@ -335,9 +335,15 @@ class Ui_MainWindow(object):
         self.app_fach.setFont(font)
         self.app_fach.setEditable(True)
         self.app_fach.setObjectName("app_fach")
-        self.gridLayout_6.addWidget(self.app_fach, 0, 0, 1, 1)
+        self.gridLayout_6.addWidget(self.app_fach, 0, 1, 1, 1)
         spacerItem6 = QtWidgets.QSpacerItem(40, 20, QtWidgets.QSizePolicy.Policy.Expanding, QtWidgets.QSizePolicy.Policy.Minimum)
-        self.gridLayout_6.addItem(spacerItem6, 0, 1, 1, 1)
+        self.gridLayout_6.addItem(spacerItem6, 0, 3, 1, 1)
+        self.valid_check_app_fach = QtWidgets.QToolButton(parent=self.gridLayoutWidget_5)
+        self.valid_check_app_fach.setText("")
+        self.valid_check_app_fach.setAutoRaise(True)
+        self.valid_check_app_fach.setArrowType(QtCore.Qt.ArrowType.NoArrow)
+        self.valid_check_app_fach.setObjectName("valid_check_app_fach")
+        self.gridLayout_6.addWidget(self.valid_check_app_fach, 0, 2, 1, 1)
         self._mand = QtWidgets.QLabel(parent=self.app_group_box)
         self._mand.setGeometry(QtCore.QRect(340, 90, 16, 21))
         font = QtGui.QFont()
@@ -540,244 +546,24 @@ class Ui_MainWindow(object):
         font.setBold(False)
         self.label_6.setFont(font)
         self.label_6.setObjectName("label_6")
+        self.valid_check_profname = QtWidgets.QToolButton(parent=self.app_group_box)
+        self.valid_check_profname.setGeometry(QtCore.QRect(240, 110, 23, 22))
+        self.valid_check_profname.setText("")
+        self.valid_check_profname.setAutoRaise(True)
+        self.valid_check_profname.setArrowType(QtCore.Qt.ArrowType.NoArrow)
+        self.valid_check_profname.setObjectName("valid_check_profname")
         self.gridLayout_2.addWidget(self.app_group_box, 1, 0, 1, 1)
-        self.add_medium = QtWidgets.QPushButton(parent=self.tab)
-        self.add_medium.setGeometry(QtCore.QRect(0, 700, 121, 20))
+        self.add_medium = QtWidgets.QPushButton(parent=self.createApparat)
+        self.add_medium.setGeometry(QtCore.QRect(3, 695, 121, 20))
         self.add_medium.setFocusPolicy(QtCore.Qt.FocusPolicy.NoFocus)
         self.add_medium.setObjectName("add_medium")
-        self.tabWidget.addTab(self.tab, "")
-        self.tab_2 = QtWidgets.QWidget()
-        self.tab_2.setObjectName("tab_2")
-        self.verticalLayoutWidget_2 = QtWidgets.QWidget(parent=self.tab_2)
-        self.verticalLayoutWidget_2.setGeometry(QtCore.QRect(0, 0, 1251, 721))
-        self.verticalLayoutWidget_2.setObjectName("verticalLayoutWidget_2")
-        self.verticalLayout_3 = QtWidgets.QVBoxLayout(self.verticalLayoutWidget_2)
-        self.verticalLayout_3.setContentsMargins(0, 0, 0, 0)
-        self.verticalLayout_3.setObjectName("verticalLayout_3")
-        self.tabWidget_2 = QtWidgets.QTabWidget(parent=self.verticalLayoutWidget_2)
-        self.tabWidget_2.setMaximumSize(QtCore.QSize(16777215, 250))
-        self.tabWidget_2.setTabPosition(QtWidgets.QTabWidget.TabPosition.North)
-        self.tabWidget_2.setTabShape(QtWidgets.QTabWidget.TabShape.Rounded)
-        self.tabWidget_2.setObjectName("tabWidget_2")
-        self.tab_3 = QtWidgets.QWidget()
-        self.tab_3.setObjectName("tab_3")
-        self.btn_search = QtWidgets.QPushButton(parent=self.tab_3)
-        self.btn_search.setGeometry(QtCore.QRect(10, 180, 75, 23))
-        self.btn_search.setObjectName("btn_search")
-        self.gridLayoutWidget = QtWidgets.QWidget(parent=self.tab_3)
-        self.gridLayoutWidget.setGeometry(QtCore.QRect(10, 10, 491, 161))
-        self.gridLayoutWidget.setObjectName("gridLayoutWidget")
-        self.gridLayout_3 = QtWidgets.QGridLayout(self.gridLayoutWidget)
-        self.gridLayout_3.setContentsMargins(0, 0, 0, 0)
-        self.gridLayout_3.setObjectName("gridLayout_3")
-        self.label_7 = QtWidgets.QLabel(parent=self.gridLayoutWidget)
-        self.label_7.setObjectName("label_7")
-        self.gridLayout_3.addWidget(self.label_7, 0, 0, 1, 1)
-        self.box_erstellsemester = QtWidgets.QComboBox(parent=self.gridLayoutWidget)
-        self.box_erstellsemester.setEditable(True)
-        self.box_erstellsemester.setObjectName("box_erstellsemester")
-        self.gridLayout_3.addWidget(self.box_erstellsemester, 1, 3, 1, 1)
-        self.label_18 = QtWidgets.QLabel(parent=self.gridLayoutWidget)
-        self.label_18.setObjectName("label_18")
-        self.gridLayout_3.addWidget(self.label_18, 2, 2, 1, 1)
-        self.label_17 = QtWidgets.QLabel(parent=self.gridLayoutWidget)
-        self.label_17.setObjectName("label_17")
-        self.gridLayout_3.addWidget(self.label_17, 0, 2, 1, 1)
-        self.label_19 = QtWidgets.QLabel(parent=self.gridLayoutWidget)
-        self.label_19.setObjectName("label_19")
-        self.gridLayout_3.addWidget(self.label_19, 1, 2, 1, 1)
-        self.box_dauerapp = QtWidgets.QComboBox(parent=self.gridLayoutWidget)
-        self.box_dauerapp.setObjectName("box_dauerapp")
-        self.gridLayout_3.addWidget(self.box_dauerapp, 2, 3, 1, 1)
-        self.label_11 = QtWidgets.QLabel(parent=self.gridLayoutWidget)
-        self.label_11.setObjectName("label_11")
-        self.gridLayout_3.addWidget(self.label_11, 1, 0, 1, 1)
-        self.label_16 = QtWidgets.QLabel(parent=self.gridLayoutWidget)
-        self.label_16.setObjectName("label_16")
-        self.gridLayout_3.addWidget(self.label_16, 2, 0, 1, 1)
-        self.box_semester = QtWidgets.QComboBox(parent=self.gridLayoutWidget)
-        self.box_semester.setEditable(True)
-        self.box_semester.setObjectName("box_semester")
-        self.gridLayout_3.addWidget(self.box_semester, 0, 3, 1, 1)
-        self.box_appnrs = QtWidgets.QComboBox(parent=self.gridLayoutWidget)
-        self.box_appnrs.setEditable(True)
-        self.box_appnrs.setObjectName("box_appnrs")
-        self.gridLayout_3.addWidget(self.box_appnrs, 0, 1, 1, 1)
-        self.box_fach = QtWidgets.QComboBox(parent=self.gridLayoutWidget)
-        self.box_fach.setEditable(True)
-        self.box_fach.setObjectName("box_fach")
-        self.gridLayout_3.addWidget(self.box_fach, 2, 1, 1, 1)
-        self.box_person = QtWidgets.QComboBox(parent=self.gridLayoutWidget)
-        self.box_person.setEditable(True)
-        self.box_person.setObjectName("box_person")
-        self.gridLayout_3.addWidget(self.box_person, 1, 1, 1, 1)
-        spacerItem7 = QtWidgets.QSpacerItem(20, 40, QtWidgets.QSizePolicy.Policy.Minimum, QtWidgets.QSizePolicy.Policy.Expanding)
-        self.gridLayout_3.addItem(spacerItem7, 4, 0, 1, 1)
-        self.label_15 = QtWidgets.QLabel(parent=self.gridLayoutWidget)
-        self.label_15.setObjectName("label_15")
-        self.gridLayout_3.addWidget(self.label_15, 3, 0, 1, 1)
-        self.check_deletable = QtWidgets.QCheckBox(parent=self.gridLayoutWidget)
-        self.check_deletable.setFocusPolicy(QtCore.Qt.FocusPolicy.StrongFocus)
-        self.check_deletable.setText("")
-        self.check_deletable.setObjectName("check_deletable")
-        self.gridLayout_3.addWidget(self.check_deletable, 3, 1, 1, 1)
-        self.db_err_message = QtWidgets.QLabel(parent=self.tab_3)
-        self.db_err_message.setGeometry(QtCore.QRect(100, 180, 401, 23))
-        self.db_err_message.setText("")
-        self.db_err_message.setObjectName("db_err_message")
-        self.tabWidget_2.addTab(self.tab_3, "")
-        self.tab_4 = QtWidgets.QWidget()
-        self.tab_4.setObjectName("tab_4")
-        self.formLayoutWidget = QtWidgets.QWidget(parent=self.tab_4)
-        self.formLayoutWidget.setGeometry(QtCore.QRect(10, 10, 451, 121))
-        self.formLayoutWidget.setObjectName("formLayoutWidget")
-        self.formLayout_6 = QtWidgets.QFormLayout(self.formLayoutWidget)
-        self.formLayout_6.setContentsMargins(0, 0, 0, 0)
-        self.formLayout_6.setObjectName("formLayout_6")
-        self.label_25 = QtWidgets.QLabel(parent=self.formLayoutWidget)
-        self.label_25.setObjectName("label_25")
-        self.formLayout_6.setWidget(0, QtWidgets.QFormLayout.ItemRole.LabelRole, self.label_25)
-        self.seach_by_signature = QtWidgets.QLineEdit(parent=self.formLayoutWidget)
-        self.seach_by_signature.setClearButtonEnabled(True)
-        self.seach_by_signature.setObjectName("seach_by_signature")
-        self.formLayout_6.setWidget(0, QtWidgets.QFormLayout.ItemRole.FieldRole, self.seach_by_signature)
-        self.label_26 = QtWidgets.QLabel(parent=self.formLayoutWidget)
-        self.label_26.setObjectName("label_26")
-        self.formLayout_6.setWidget(1, QtWidgets.QFormLayout.ItemRole.LabelRole, self.label_26)
-        self.search_by_title = QtWidgets.QLineEdit(parent=self.formLayoutWidget)
-        self.search_by_title.setClearButtonEnabled(True)
-        self.search_by_title.setObjectName("search_by_title")
-        self.formLayout_6.setWidget(1, QtWidgets.QFormLayout.ItemRole.FieldRole, self.search_by_title)
-        spacerItem8 = QtWidgets.QSpacerItem(20, 40, QtWidgets.QSizePolicy.Policy.Minimum, QtWidgets.QSizePolicy.Policy.Expanding)
-        self.formLayout_6.setItem(2, QtWidgets.QFormLayout.ItemRole.LabelRole, spacerItem8)
-        self.book_search = QtWidgets.QPushButton(parent=self.tab_4)
-        self.book_search.setGeometry(QtCore.QRect(10, 180, 75, 23))
-        self.book_search.setObjectName("book_search")
-        self.tabWidget_2.addTab(self.tab_4, "")
-        self.verticalLayout_3.addWidget(self.tabWidget_2)
-        self.stackedWidget_4 = QtWidgets.QStackedWidget(parent=self.verticalLayoutWidget_2)
-        self.stackedWidget_4.setFrameShape(QtWidgets.QFrame.Shape.StyledPanel)
-        self.stackedWidget_4.setFrameShadow(QtWidgets.QFrame.Shadow.Raised)
-        self.stackedWidget_4.setObjectName("stackedWidget_4")
-        self.stackedWidget_4Page1 = QtWidgets.QWidget()
-        self.stackedWidget_4Page1.setObjectName("stackedWidget_4Page1")
-        self.tabWidget_3 = QtWidgets.QTabWidget(parent=self.stackedWidget_4Page1)
-        self.tabWidget_3.setGeometry(QtCore.QRect(780, 10, 441, 441))
-        self.tabWidget_3.setObjectName("tabWidget_3")
-        self.tab_6 = QtWidgets.QWidget()
-        self.tab_6.setObjectName("tab_6")
-        self.gridLayoutWidget_3 = QtWidgets.QWidget(parent=self.tab_6)
-        self.gridLayoutWidget_3.setGeometry(QtCore.QRect(0, 0, 431, 411))
-        self.gridLayoutWidget_3.setObjectName("gridLayoutWidget_3")
-        self.gridLayout_4 = QtWidgets.QGridLayout(self.gridLayoutWidget_3)
-        self.gridLayout_4.setContentsMargins(0, 0, 0, 0)
-        self.gridLayout_4.setObjectName("gridLayout_4")
-        self.statistics_table = QtWidgets.QTableWidget(parent=self.gridLayoutWidget_3)
-        sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Policy.Expanding, QtWidgets.QSizePolicy.Policy.Expanding)
-        sizePolicy.setHorizontalStretch(0)
-        sizePolicy.setVerticalStretch(0)
-        sizePolicy.setHeightForWidth(self.statistics_table.sizePolicy().hasHeightForWidth())
-        self.statistics_table.setSizePolicy(sizePolicy)
-        self.statistics_table.setMaximumSize(QtCore.QSize(16777215, 16777215))
-        self.statistics_table.setFocusPolicy(QtCore.Qt.FocusPolicy.NoFocus)
-        self.statistics_table.setHorizontalScrollBarPolicy(QtCore.Qt.ScrollBarPolicy.ScrollBarAlwaysOff)
-        self.statistics_table.setEditTriggers(QtWidgets.QAbstractItemView.EditTrigger.NoEditTriggers)
-        self.statistics_table.setAlternatingRowColors(True)
-        self.statistics_table.setObjectName("statistics_table")
-        self.statistics_table.setColumnCount(3)
-        self.statistics_table.setRowCount(0)
-        item = QtWidgets.QTableWidgetItem()
-        self.statistics_table.setHorizontalHeaderItem(0, item)
-        item = QtWidgets.QTableWidgetItem()
-        self.statistics_table.setHorizontalHeaderItem(1, item)
-        item = QtWidgets.QTableWidgetItem()
-        self.statistics_table.setHorizontalHeaderItem(2, item)
-        self.statistics_table.horizontalHeader().setCascadingSectionResizes(True)
-        self.statistics_table.horizontalHeader().setDefaultSectionSize(59)
-        self.statistics_table.horizontalHeader().setMinimumSectionSize(40)
-        self.statistics_table.horizontalHeader().setSortIndicatorShown(True)
-        self.statistics_table.horizontalHeader().setStretchLastSection(True)
-        self.statistics_table.verticalHeader().setStretchLastSection(True)
-        self.gridLayout_4.addWidget(self.statistics_table, 0, 0, 1, 1)
-        self.tabWidget_3.addTab(self.tab_6, "")
-        self.tab_7 = QtWidgets.QWidget()
-        self.tab_7.setObjectName("tab_7")
-        self.tabWidget_3.addTab(self.tab_7, "")
-        self.widget = QtWidgets.QWidget(parent=self.stackedWidget_4Page1)
-        self.widget.setGeometry(QtCore.QRect(10, 10, 761, 441))
-        self.widget.setObjectName("widget")
-        self.horizontalLayoutWidget_3 = QtWidgets.QWidget(parent=self.widget)
-        self.horizontalLayoutWidget_3.setGeometry(QtCore.QRect(0, 0, 761, 58))
-        self.horizontalLayoutWidget_3.setObjectName("horizontalLayoutWidget_3")
-        self.horizontalLayout_7 = QtWidgets.QHBoxLayout(self.horizontalLayoutWidget_3)
-        self.horizontalLayout_7.setContentsMargins(0, 0, 0, 0)
-        self.horizontalLayout_7.setObjectName("horizontalLayout_7")
-        self.verticalLayout_5 = QtWidgets.QVBoxLayout()
-        self.verticalLayout_5.setObjectName("verticalLayout_5")
-        self.horizontalLayout_7.addLayout(self.verticalLayout_5)
-        self.btn_del_select_apparats = QtWidgets.QPushButton(parent=self.horizontalLayoutWidget_3)
-        self.btn_del_select_apparats.setFocusPolicy(QtCore.Qt.FocusPolicy.StrongFocus)
-        self.btn_del_select_apparats.setObjectName("btn_del_select_apparats")
-        self.horizontalLayout_7.addWidget(self.btn_del_select_apparats)
-        self.btn_notify_for_deletion = QtWidgets.QPushButton(parent=self.horizontalLayoutWidget_3)
-        self.btn_notify_for_deletion.setObjectName("btn_notify_for_deletion")
-        self.horizontalLayout_7.addWidget(self.btn_notify_for_deletion)
-        spacerItem9 = QtWidgets.QSpacerItem(40, 20, QtWidgets.QSizePolicy.Policy.Expanding, QtWidgets.QSizePolicy.Policy.Minimum)
-        self.horizontalLayout_7.addItem(spacerItem9)
-        self.table = QtWidgets.QWidget(parent=self.widget)
-        self.table.setGeometry(QtCore.QRect(0, 50, 761, 391))
-        self.table.setObjectName("table")
-        self.tableWidget = QtWidgets.QTableWidget(parent=self.table)
-        self.tableWidget.setGeometry(QtCore.QRect(0, 0, 761, 391))
-        self.tableWidget.setFocusPolicy(QtCore.Qt.FocusPolicy.NoFocus)
-        self.tableWidget.setContextMenuPolicy(QtCore.Qt.ContextMenuPolicy.CustomContextMenu)
-        self.tableWidget.setEditTriggers(QtWidgets.QAbstractItemView.EditTrigger.NoEditTriggers)
-        self.tableWidget.setObjectName("tableWidget")
-        self.tableWidget.setColumnCount(5)
-        self.tableWidget.setRowCount(0)
-        item = QtWidgets.QTableWidgetItem()
-        self.tableWidget.setHorizontalHeaderItem(0, item)
-        item = QtWidgets.QTableWidgetItem()
-        self.tableWidget.setHorizontalHeaderItem(1, item)
-        item = QtWidgets.QTableWidgetItem()
-        self.tableWidget.setHorizontalHeaderItem(2, item)
-        item = QtWidgets.QTableWidgetItem()
-        self.tableWidget.setHorizontalHeaderItem(3, item)
-        item = QtWidgets.QTableWidgetItem()
-        self.tableWidget.setHorizontalHeaderItem(4, item)
-        self.stackedWidget_4.addWidget(self.stackedWidget_4Page1)
-        self.page = QtWidgets.QWidget()
-        self.page.setObjectName("page")
-        self.verticalLayoutWidget_3 = QtWidgets.QWidget(parent=self.page)
-        self.verticalLayoutWidget_3.setGeometry(QtCore.QRect(0, 0, 1241, 461))
-        self.verticalLayoutWidget_3.setObjectName("verticalLayoutWidget_3")
-        self.verticalLayout = QtWidgets.QVBoxLayout(self.verticalLayoutWidget_3)
-        self.verticalLayout.setContentsMargins(0, 0, 0, 0)
-        self.verticalLayout.setObjectName("verticalLayout")
-        self.book_search_result = QtWidgets.QTableWidget(parent=self.verticalLayoutWidget_3)
-        self.book_search_result.setFrameShadow(QtWidgets.QFrame.Shadow.Plain)
-        self.book_search_result.setEditTriggers(QtWidgets.QAbstractItemView.EditTrigger.NoEditTriggers)
-        self.book_search_result.setAlternatingRowColors(True)
-        self.book_search_result.setRowCount(0)
-        self.book_search_result.setObjectName("book_search_result")
-        self.book_search_result.setColumnCount(3)
-        item = QtWidgets.QTableWidgetItem()
-        self.book_search_result.setHorizontalHeaderItem(0, item)
-        item = QtWidgets.QTableWidgetItem()
-        self.book_search_result.setHorizontalHeaderItem(1, item)
-        item = QtWidgets.QTableWidgetItem()
-        self.book_search_result.setHorizontalHeaderItem(2, item)
-        self.book_search_result.horizontalHeader().setCascadingSectionResizes(True)
-        self.book_search_result.horizontalHeader().setDefaultSectionSize(200)
-        self.book_search_result.horizontalHeader().setMinimumSectionSize(100)
-        self.book_search_result.horizontalHeader().setStretchLastSection(True)
-        self.verticalLayout.addWidget(self.book_search_result)
-        self.stackedWidget_4.addWidget(self.page)
-        self.verticalLayout_3.addWidget(self.stackedWidget_4)
-        self.tabWidget.addTab(self.tab_2, "")
-        self.tab_8 = QtWidgets.QWidget()
-        self.tab_8.setObjectName("tab_8")
-        self.create_frame_elsa = QtWidgets.QFrame(parent=self.tab_8)
+        self.tabWidget.addTab(self.createApparat, "")
+        self.search_statistics = QtWidgets.QWidget()
+        self.search_statistics.setObjectName("search_statistics")
+        self.tabWidget.addTab(self.search_statistics, "")
+        self.elsa = QtWidgets.QWidget()
+        self.elsa.setObjectName("elsa")
+        self.create_frame_elsa = QtWidgets.QFrame(parent=self.elsa)
         self.create_frame_elsa.setEnabled(False)
         self.create_frame_elsa.setGeometry(QtCore.QRect(20, 200, 1221, 201))
         self.create_frame_elsa.setFrameShape(QtWidgets.QFrame.Shape.StyledPanel)
@@ -863,8 +649,8 @@ class Ui_MainWindow(object):
         self.label_29 = QtWidgets.QLabel(parent=self.gridLayoutWidget_6)
         self.label_29.setObjectName("label_29")
         self.gridLayout_7.addWidget(self.label_29, 2, 0, 1, 1)
-        spacerItem10 = QtWidgets.QSpacerItem(20, 40, QtWidgets.QSizePolicy.Policy.Minimum, QtWidgets.QSizePolicy.Policy.Expanding)
-        self.gridLayout_7.addItem(spacerItem10, 3, 0, 1, 1)
+        spacerItem7 = QtWidgets.QSpacerItem(20, 40, QtWidgets.QSizePolicy.Policy.Minimum, QtWidgets.QSizePolicy.Policy.Expanding)
+        self.gridLayout_7.addItem(spacerItem7, 3, 0, 1, 1)
         self.elsa_date = QtWidgets.QLineEdit(parent=self.gridLayoutWidget_6)
         self.elsa_date.setClearButtonEnabled(True)
         self.elsa_date.setObjectName("elsa_date")
@@ -890,7 +676,7 @@ class Ui_MainWindow(object):
         self.elsa_semester.setClearButtonEnabled(True)
         self.elsa_semester.setObjectName("elsa_semester")
         self.gridLayout_7.addWidget(self.elsa_semester, 2, 1, 1, 1)
-        self.table_elsa_list = QtWidgets.QTableWidget(parent=self.tab_8)
+        self.table_elsa_list = QtWidgets.QTableWidget(parent=self.elsa)
         self.table_elsa_list.setGeometry(QtCore.QRect(20, 410, 771, 321))
         self.table_elsa_list.setFrameShape(QtWidgets.QFrame.Shape.StyledPanel)
         self.table_elsa_list.setFrameShadow(QtWidgets.QFrame.Shadow.Sunken)
@@ -907,16 +693,17 @@ class Ui_MainWindow(object):
         item = QtWidgets.QTableWidgetItem()
         self.table_elsa_list.setHorizontalHeaderItem(3, item)
         self.table_elsa_list.horizontalHeader().setStretchLastSection(True)
-        self.elsa_statistic_frame = QtWidgets.QFrame(parent=self.tab_8)
+        self.elsa_statistic_frame = QtWidgets.QFrame(parent=self.elsa)
         self.elsa_statistic_frame.setGeometry(QtCore.QRect(800, 410, 451, 321))
         self.elsa_statistic_frame.setObjectName("elsa_statistic_frame")
         self.elsa_statistics = QtWidgets.QTabWidget(parent=self.elsa_statistic_frame)
-        self.elsa_statistics.setGeometry(QtCore.QRect(10, 0, 431, 321))
+        self.elsa_statistics.setGeometry(QtCore.QRect(0, 0, 451, 321))
         self.elsa_statistics.setObjectName("elsa_statistics")
         self.tab_9 = QtWidgets.QWidget()
         self.tab_9.setObjectName("tab_9")
         self.elsa_statistics_table = QtWidgets.QTableWidget(parent=self.tab_9)
-        self.elsa_statistics_table.setGeometry(QtCore.QRect(0, 0, 421, 291))
+        self.elsa_statistics_table.setGeometry(QtCore.QRect(0, 0, 441, 291))
+        self.elsa_statistics_table.setFocusPolicy(QtCore.Qt.FocusPolicy.WheelFocus)
         self.elsa_statistics_table.setHorizontalScrollBarPolicy(QtCore.Qt.ScrollBarPolicy.ScrollBarAlwaysOff)
         self.elsa_statistics_table.setEditTriggers(QtWidgets.QAbstractItemView.EditTrigger.NoEditTriggers)
         self.elsa_statistics_table.setTextElideMode(QtCore.Qt.TextElideMode.ElideRight)
@@ -927,17 +714,17 @@ class Ui_MainWindow(object):
         self.elsa_statistics_table.setHorizontalHeaderItem(0, item)
         item = QtWidgets.QTableWidgetItem()
         self.elsa_statistics_table.setHorizontalHeaderItem(1, item)
-        self.elsa_statistics_table.horizontalHeader().setDefaultSectionSize(210)
+        self.elsa_statistics_table.horizontalHeader().setDefaultSectionSize(220)
         self.elsa_statistics_table.horizontalHeader().setSortIndicatorShown(True)
         self.elsa_statistics.addTab(self.tab_9, "")
-        self.elsa_cancel_create = QtWidgets.QPushButton(parent=self.tab_8)
+        self.elsa_cancel_create = QtWidgets.QPushButton(parent=self.elsa)
         self.elsa_cancel_create.setEnabled(False)
         self.elsa_cancel_create.setGeometry(QtCore.QRect(30, 90, 91, 24))
         self.elsa_cancel_create.setObjectName("elsa_cancel_create")
-        self.elsa_add_new = QtWidgets.QPushButton(parent=self.tab_8)
+        self.elsa_add_new = QtWidgets.QPushButton(parent=self.elsa)
         self.elsa_add_new.setGeometry(QtCore.QRect(30, 50, 91, 24))
         self.elsa_add_new.setObjectName("elsa_add_new")
-        self.elsa_table = QtWidgets.QTableWidget(parent=self.tab_8)
+        self.elsa_table = QtWidgets.QTableWidget(parent=self.elsa)
         self.elsa_table.setGeometry(QtCore.QRect(140, 10, 1031, 181))
         self.elsa_table.setEditTriggers(QtWidgets.QAbstractItemView.EditTrigger.NoEditTriggers)
         self.elsa_table.setObjectName("elsa_table")
@@ -951,20 +738,20 @@ class Ui_MainWindow(object):
         self.elsa_table.setHorizontalHeaderItem(2, item)
         self.elsa_table.horizontalHeader().setCascadingSectionResizes(False)
         self.elsa_table.horizontalHeader().setDefaultSectionSize(216)
-        self.tabWidget.addTab(self.tab_8, "")
-        self.tab_5 = QtWidgets.QWidget()
-        self.tab_5.setObjectName("tab_5")
-        self.label_21 = QtWidgets.QLabel(parent=self.tab_5)
+        self.tabWidget.addTab(self.elsa, "")
+        self.admin = QtWidgets.QWidget()
+        self.admin.setObjectName("admin")
+        self.label_21 = QtWidgets.QLabel(parent=self.admin)
         self.label_21.setGeometry(QtCore.QRect(10, 30, 47, 22))
         self.label_21.setObjectName("label_21")
-        self.select_action_box = QtWidgets.QComboBox(parent=self.tab_5)
+        self.select_action_box = QtWidgets.QComboBox(parent=self.admin)
         self.select_action_box.setGeometry(QtCore.QRect(70, 30, 181, 22))
         self.select_action_box.setObjectName("select_action_box")
         self.select_action_box.addItem("")
         self.select_action_box.addItem("")
         self.select_action_box.addItem("")
         self.select_action_box.addItem("")
-        self.deleteUserBox = QtWidgets.QGroupBox(parent=self.tab_5)
+        self.deleteUserBox = QtWidgets.QGroupBox(parent=self.admin)
         self.deleteUserBox.setGeometry(QtCore.QRect(10, 60, 370, 92))
         font = QtGui.QFont()
         font.setBold(True)
@@ -976,16 +763,16 @@ class Ui_MainWindow(object):
         self.gridLayout_8.setObjectName("gridLayout_8")
         self.horizontalLayout_8 = QtWidgets.QHBoxLayout()
         self.horizontalLayout_8.setObjectName("horizontalLayout_8")
-        spacerItem11 = QtWidgets.QSpacerItem(40, 20, QtWidgets.QSizePolicy.Policy.Expanding, QtWidgets.QSizePolicy.Policy.Minimum)
-        self.horizontalLayout_8.addItem(spacerItem11)
+        spacerItem8 = QtWidgets.QSpacerItem(40, 20, QtWidgets.QSizePolicy.Policy.Expanding, QtWidgets.QSizePolicy.Policy.Minimum)
+        self.horizontalLayout_8.addItem(spacerItem8)
         self.pushButton = QtWidgets.QPushButton(parent=self.deleteUserBox)
         font = QtGui.QFont()
         font.setBold(False)
         self.pushButton.setFont(font)
         self.pushButton.setObjectName("pushButton")
         self.horizontalLayout_8.addWidget(self.pushButton)
-        spacerItem12 = QtWidgets.QSpacerItem(40, 20, QtWidgets.QSizePolicy.Policy.Expanding, QtWidgets.QSizePolicy.Policy.Minimum)
-        self.horizontalLayout_8.addItem(spacerItem12)
+        spacerItem9 = QtWidgets.QSpacerItem(40, 20, QtWidgets.QSizePolicy.Policy.Expanding, QtWidgets.QSizePolicy.Policy.Minimum)
+        self.horizontalLayout_8.addItem(spacerItem9)
         self.gridLayout_8.addLayout(self.horizontalLayout_8, 1, 1, 1, 1)
         self.label_34 = QtWidgets.QLabel(parent=self.deleteUserBox)
         font = QtGui.QFont()
@@ -1006,14 +793,14 @@ class Ui_MainWindow(object):
         self.user_delete_confirm.setLayoutDirection(QtCore.Qt.LayoutDirection.RightToLeft)
         self.user_delete_confirm.setObjectName("user_delete_confirm")
         self.gridLayout_8.addWidget(self.user_delete_confirm, 1, 0, 1, 1)
-        spacerItem13 = QtWidgets.QSpacerItem(40, 20, QtWidgets.QSizePolicy.Policy.Expanding, QtWidgets.QSizePolicy.Policy.Minimum)
-        self.gridLayout_8.addItem(spacerItem13, 0, 2, 1, 1)
+        spacerItem10 = QtWidgets.QSpacerItem(40, 20, QtWidgets.QSizePolicy.Policy.Expanding, QtWidgets.QSizePolicy.Policy.Minimum)
+        self.gridLayout_8.addItem(spacerItem10, 0, 2, 1, 1)
         self.user_delete_err_message = QtWidgets.QLabel(parent=self.deleteUserBox)
         self.user_delete_err_message.setText("")
         self.user_delete_err_message.setObjectName("user_delete_err_message")
         self.gridLayout_8.addWidget(self.user_delete_err_message, 1, 2, 1, 1)
         self.gridLayout_9.addLayout(self.gridLayout_8, 0, 0, 1, 1)
-        self.userCreateBox = QtWidgets.QGroupBox(parent=self.tab_5)
+        self.userCreateBox = QtWidgets.QGroupBox(parent=self.admin)
         self.userCreateBox.setGeometry(QtCore.QRect(10, 60, 385, 90))
         font = QtGui.QFont()
         font.setBold(True)
@@ -1048,8 +835,8 @@ class Ui_MainWindow(object):
         self.label_23.setFont(font)
         self.label_23.setObjectName("label_23")
         self.gridLayout_5.addWidget(self.label_23, 1, 0, 1, 1)
-        spacerItem14 = QtWidgets.QSpacerItem(40, 20, QtWidgets.QSizePolicy.Policy.Expanding, QtWidgets.QSizePolicy.Policy.Minimum)
-        self.gridLayout_5.addItem(spacerItem14, 0, 4, 1, 1)
+        spacerItem11 = QtWidgets.QSpacerItem(40, 20, QtWidgets.QSizePolicy.Policy.Expanding, QtWidgets.QSizePolicy.Policy.Minimum)
+        self.gridLayout_5.addItem(spacerItem11, 0, 4, 1, 1)
         self.user_frame_userrole = QtWidgets.QComboBox(parent=self.userCreateBox)
         font = QtGui.QFont()
         font.setBold(False)
@@ -1075,7 +862,7 @@ class Ui_MainWindow(object):
         self.user_frame_err_message.setObjectName("user_frame_err_message")
         self.gridLayout_5.addWidget(self.user_frame_err_message, 1, 4, 1, 1)
         self.gridLayout_10.addLayout(self.gridLayout_5, 0, 0, 1, 1)
-        self.userChangeDataBox = QtWidgets.QGroupBox(parent=self.tab_5)
+        self.userChangeDataBox = QtWidgets.QGroupBox(parent=self.admin)
         self.userChangeDataBox.setGeometry(QtCore.QRect(10, 60, 404, 90))
         font = QtGui.QFont()
         font.setBold(True)
@@ -1129,10 +916,10 @@ class Ui_MainWindow(object):
         self.user_edit_frame_new_password.setFont(font)
         self.user_edit_frame_new_password.setObjectName("user_edit_frame_new_password")
         self.gridLayout_11.addWidget(self.user_edit_frame_new_password, 1, 1, 1, 1)
-        spacerItem15 = QtWidgets.QSpacerItem(40, 20, QtWidgets.QSizePolicy.Policy.Expanding, QtWidgets.QSizePolicy.Policy.Minimum)
-        self.gridLayout_11.addItem(spacerItem15, 0, 4, 1, 1)
+        spacerItem12 = QtWidgets.QSpacerItem(40, 20, QtWidgets.QSizePolicy.Policy.Expanding, QtWidgets.QSizePolicy.Policy.Minimum)
+        self.gridLayout_11.addItem(spacerItem12, 0, 4, 1, 1)
         self.gridLayout_13.addLayout(self.gridLayout_11, 0, 0, 1, 1)
-        self.profChangeDataBox = QtWidgets.QGroupBox(parent=self.tab_5)
+        self.profChangeDataBox = QtWidgets.QGroupBox(parent=self.admin)
         self.profChangeDataBox.setGeometry(QtCore.QRect(10, 60, 566, 234))
         font = QtGui.QFont()
         font.setBold(True)
@@ -1274,10 +1061,10 @@ class Ui_MainWindow(object):
         self.label_42.setObjectName("label_42")
         self.gridLayout_12.addWidget(self.label_42, 2, 0, 1, 1)
         self.gridLayout_14.addLayout(self.gridLayout_12, 0, 0, 1, 1)
-        self.reset_selection = QtWidgets.QToolButton(parent=self.tab_5)
+        self.reset_selection = QtWidgets.QToolButton(parent=self.admin)
         self.reset_selection.setGeometry(QtCore.QRect(250, 30, 22, 22))
         self.reset_selection.setObjectName("reset_selection")
-        self.tabWidget.addTab(self.tab_5, "")
+        self.tabWidget.addTab(self.admin, "")
         self.gridLayout.addWidget(self.tabWidget, 0, 0, 1, 1)
         self.horizontalLayout.addLayout(self.gridLayout)
         self.mainLayout.addLayout(self.horizontalLayout)
@@ -1412,6 +1199,9 @@ class Ui_MainWindow(object):
         self.menuHelp = QtWidgets.QMenu(parent=self.menubar)
         self.menuHelp.setObjectName("menuHelp")
         MainWindow.setMenuBar(self.menubar)
+        self.statusBar = QtWidgets.QStatusBar(parent=MainWindow)
+        self.statusBar.setObjectName("statusBar")
+        MainWindow.setStatusBar(self.statusBar)
         self.actionBeenden = QtGui.QAction(parent=MainWindow)
         self.actionBeenden.setMenuRole(QtGui.QAction.MenuRole.QuitRole)
         self.actionBeenden.setShortcutVisibleInContextMenu(True)
@@ -1432,53 +1222,93 @@ class Ui_MainWindow(object):
         self.menubar.addAction(self.menuDatei.menuAction())
         self.menubar.addAction(self.menuEinstellungen.menuAction())
         self.menubar.addAction(self.menuHelp.menuAction())
+        self.label_9.setBuddy(self.prof_tel_nr)
+        self.label_3.setBuddy(self.prof_title)
+        self.label_2.setBuddy(self.drpdwn_app_nr)
+        self.label_8.setBuddy(self.prof_mail)
+        self.label_10.setBuddy(self.app_fach)
+        self.label_12.setBuddy(self.prof_id_adis)
+        self.label_13.setBuddy(self.apparat_id_adis)
+        self.label_4.setBuddy(self.drpdwn_prof_name)
+        self.label_5.setBuddy(self.app_name)
+        self.label_6.setBuddy(self.sem_year)
+        self.label_29.setBuddy(self.elsa_semester)
+        self.label_27.setBuddy(self.elsa_prof)
+        self.label_28.setBuddy(self.elsa_date)
+        self.label_34.setBuddy(self.user_delete_frame_user_select)
+        self.label_22.setBuddy(self.user_create_frame_username)
+        self.label_24.setBuddy(self.user_frame_userrole)
+        self.label_23.setBuddy(self.user_create_frame_password)
+        self.label_38.setBuddy(self.user_edit_frame_user_select)
+        self.label_40.setBuddy(self.user_edit_frame_role_select)
+        self.label_39.setBuddy(self.user_edit_frame_new_password)
+        self.label_43.setBuddy(self.edit_faculty_member_new_title)
+        self.label_44.setBuddy(self.edit_faculty_member_new_surname)
+        self.label_45.setBuddy(self.user_faculty_member_new_name)
+        self.label_46.setBuddy(self.faculty_member_old_telnr)
+        self.label_47.setBuddy(self.user_faculty_member_new_mail)
+        self.label_48.setBuddy(self.user_faculty_member_new_telnr)
 
         self.retranslateUi(MainWindow)
         self.tabWidget.setCurrentIndex(0)
-        self.tabWidget_2.setCurrentIndex(1)
-        self.stackedWidget_4.setCurrentIndex(1)
-        self.tabWidget_3.setCurrentIndex(0)
         self.elsa_semester.textChanged['QString'].connect(self.active_semester.hide) # type: ignore
         self.elsa_semester.textChanged['QString'].connect(self.active_semester.show) # type: ignore
         QtCore.QMetaObject.connectSlotsByName(MainWindow)
+        MainWindow.setTabOrder(self.drpdwn_app_nr, self.prof_title)
+        MainWindow.setTabOrder(self.prof_title, self.drpdwn_prof_name)
+        MainWindow.setTabOrder(self.drpdwn_prof_name, self.prof_mail)
+        MainWindow.setTabOrder(self.prof_mail, self.prof_tel_nr)
+        MainWindow.setTabOrder(self.prof_tel_nr, self.app_name)
+        MainWindow.setTabOrder(self.app_name, self.app_fach)
+        MainWindow.setTabOrder(self.app_fach, self.sem_year)
+        MainWindow.setTabOrder(self.sem_year, self.check_eternal_app)
+        MainWindow.setTabOrder(self.check_eternal_app, self.btn_add_document)
         MainWindow.setTabOrder(self.btn_add_document, self.btn_open_document)
         MainWindow.setTabOrder(self.btn_open_document, self.check_file)
-        MainWindow.setTabOrder(self.check_file, self.tabWidget_2)
-        MainWindow.setTabOrder(self.tabWidget_2, self.seach_by_signature)
-        MainWindow.setTabOrder(self.seach_by_signature, self.search_by_title)
-        MainWindow.setTabOrder(self.search_by_title, self.select_action_box)
-        MainWindow.setTabOrder(self.select_action_box, self.user_create_frame_username)
-        MainWindow.setTabOrder(self.user_create_frame_username, self.user_frame_userrole)
-        MainWindow.setTabOrder(self.user_frame_userrole, self.user_create_frame_password)
-        MainWindow.setTabOrder(self.user_create_frame_password, self.user_frame_addUser)
-        MainWindow.setTabOrder(self.user_frame_addUser, self.user_delete_frame_user_select)
-        MainWindow.setTabOrder(self.user_delete_frame_user_select, self.user_delete_confirm)
-        MainWindow.setTabOrder(self.user_delete_confirm, self.pushButton)
-        MainWindow.setTabOrder(self.pushButton, self.user_edit_frame_user_select)
-        MainWindow.setTabOrder(self.user_edit_frame_user_select, self.user_edit_frame_role_select)
-        MainWindow.setTabOrder(self.user_edit_frame_role_select, self.user_edit_frame_new_password)
-        MainWindow.setTabOrder(self.user_edit_frame_new_password, self.update_user)
-        MainWindow.setTabOrder(self.update_user, self.edit_faculty_member_title)
-        MainWindow.setTabOrder(self.edit_faculty_member_title, self.edit_faculty_member_select_member)
-        MainWindow.setTabOrder(self.edit_faculty_member_select_member, self.edit_faculty_member_new_title)
+        MainWindow.setTabOrder(self.check_file, self.check_send_mail)
+        MainWindow.setTabOrder(self.check_send_mail, self.btn_apparat_save)
+        MainWindow.setTabOrder(self.btn_apparat_save, self.btn_apparat_apply)
+        MainWindow.setTabOrder(self.btn_apparat_apply, self.edit_faculty_member_new_title)
         MainWindow.setTabOrder(self.edit_faculty_member_new_title, self.edit_faculty_member_new_surname)
         MainWindow.setTabOrder(self.edit_faculty_member_new_surname, self.user_faculty_member_new_name)
         MainWindow.setTabOrder(self.user_faculty_member_new_name, self.user_faculty_member_new_mail)
         MainWindow.setTabOrder(self.user_faculty_member_new_mail, self.user_faculty_member_new_telnr)
         MainWindow.setTabOrder(self.user_faculty_member_new_telnr, self.update_faculty_member)
-        MainWindow.setTabOrder(self.update_faculty_member, self.box_fach)
-        MainWindow.setTabOrder(self.box_fach, self.box_person)
-        MainWindow.setTabOrder(self.box_person, self.btn_search)
-        MainWindow.setTabOrder(self.btn_search, self.check_deletable)
-        MainWindow.setTabOrder(self.check_deletable, self.box_erstellsemester)
-        MainWindow.setTabOrder(self.box_erstellsemester, self.box_semester)
-        MainWindow.setTabOrder(self.box_semester, self.box_dauerapp)
-        MainWindow.setTabOrder(self.box_dauerapp, self.box_appnrs)
-        MainWindow.setTabOrder(self.box_appnrs, self.btn_copy_adis_command)
+        MainWindow.setTabOrder(self.update_faculty_member, self.btn_copy_adis_command)
         MainWindow.setTabOrder(self.btn_copy_adis_command, self.chkbx_show_del_media)
         MainWindow.setTabOrder(self.chkbx_show_del_media, self.btn_reserve)
-        MainWindow.setTabOrder(self.btn_reserve, self.tabWidget_3)
-        MainWindow.setTabOrder(self.tabWidget_3, self.book_search_result)
+        MainWindow.setTabOrder(self.btn_reserve, self.edit_faculty_member_select_member)
+        MainWindow.setTabOrder(self.edit_faculty_member_select_member, self.user_frame_addUser)
+        MainWindow.setTabOrder(self.user_frame_addUser, self.user_edit_frame_user_select)
+        MainWindow.setTabOrder(self.user_edit_frame_user_select, self.select_action_box)
+        MainWindow.setTabOrder(self.select_action_box, self.user_edit_frame_new_password)
+        MainWindow.setTabOrder(self.user_edit_frame_new_password, self.user_frame_userrole)
+        MainWindow.setTabOrder(self.user_frame_userrole, self.user_delete_frame_user_select)
+        MainWindow.setTabOrder(self.user_delete_frame_user_select, self.user_edit_frame_role_select)
+        MainWindow.setTabOrder(self.user_edit_frame_role_select, self.prof_id_adis)
+        MainWindow.setTabOrder(self.prof_id_adis, self.apparat_id_adis)
+        MainWindow.setTabOrder(self.apparat_id_adis, self.user_create_frame_username)
+        MainWindow.setTabOrder(self.user_create_frame_username, self.user_delete_confirm)
+        MainWindow.setTabOrder(self.user_delete_confirm, self.pushButton)
+        MainWindow.setTabOrder(self.pushButton, self.update_user)
+        MainWindow.setTabOrder(self.update_user, self.user_create_frame_password)
+        MainWindow.setTabOrder(self.user_create_frame_password, self.edit_faculty_member_title)
+        MainWindow.setTabOrder(self.edit_faculty_member_title, self.elsa_save)
+        MainWindow.setTabOrder(self.elsa_save, self.check_file_elsa)
+        MainWindow.setTabOrder(self.check_file_elsa, self.btn_open_document_elsa)
+        MainWindow.setTabOrder(self.btn_open_document_elsa, self.btn_add_document_elsa)
+        MainWindow.setTabOrder(self.btn_add_document_elsa, self.elsa_date_today)
+        MainWindow.setTabOrder(self.elsa_date_today, self.elsa_date)
+        MainWindow.setTabOrder(self.elsa_date, self.active_semester)
+        MainWindow.setTabOrder(self.active_semester, self.elsa_prof)
+        MainWindow.setTabOrder(self.elsa_prof, self.elsa_semester)
+        MainWindow.setTabOrder(self.elsa_semester, self.table_elsa_list)
+        MainWindow.setTabOrder(self.table_elsa_list, self.elsa_statistics)
+        MainWindow.setTabOrder(self.elsa_statistics, self.elsa_statistics_table)
+        MainWindow.setTabOrder(self.elsa_statistics_table, self.elsa_cancel_create)
+        MainWindow.setTabOrder(self.elsa_cancel_create, self.elsa_add_new)
+        MainWindow.setTabOrder(self.elsa_add_new, self.elsa_table)
+        MainWindow.setTabOrder(self.elsa_table, self.reset_selection)
 
     def retranslateUi(self, MainWindow):
         _translate = QtCore.QCoreApplication.translate
@@ -1563,46 +1393,8 @@ class Ui_MainWindow(object):
         self.label_5.setText(_translate("MainWindow", "Apparatsname"))
         self.label_6.setText(_translate("MainWindow", "Semester"))
         self.add_medium.setText(_translate("MainWindow", "Medien hinzufügen"))
-        self.tabWidget.setTabText(self.tabWidget.indexOf(self.tab), _translate("MainWindow", "Anlegen"))
-        self.btn_search.setText(_translate("MainWindow", "Suchen"))
-        self.label_7.setText(_translate("MainWindow", "Appnr.:"))
-        self.label_18.setText(_translate("MainWindow", "Dauerapp:"))
-        self.label_17.setText(_translate("MainWindow", "Endsemester:"))
-        self.label_19.setText(_translate("MainWindow", "Erstellsemester:"))
-        self.label_11.setText(_translate("MainWindow", "Person:"))
-        self.label_16.setText(_translate("MainWindow", "Fach:"))
-        self.label_15.setText(_translate("MainWindow", "Löschbar"))
-        self.tabWidget_2.setTabText(self.tabWidget_2.indexOf(self.tab_3), _translate("MainWindow", "Statistik"))
-        self.label_25.setText(_translate("MainWindow", "Signatur"))
-        self.label_26.setText(_translate("MainWindow", "Titel"))
-        self.book_search.setText(_translate("MainWindow", "Suchen"))
-        self.tabWidget_2.setTabText(self.tabWidget_2.indexOf(self.tab_4), _translate("MainWindow", "Suchen"))
-        item = self.statistics_table.horizontalHeaderItem(0)
-        item.setText(_translate("MainWindow", "Semester"))
-        item = self.statistics_table.horizontalHeaderItem(1)
-        item.setText(_translate("MainWindow", "Zugang"))
-        item = self.statistics_table.horizontalHeaderItem(2)
-        item.setText(_translate("MainWindow", "Abgang"))
-        self.tabWidget_3.setTabText(self.tabWidget_3.indexOf(self.tab_6), _translate("MainWindow", "Tabelle"))
-        self.tabWidget_3.setTabText(self.tabWidget_3.indexOf(self.tab_7), _translate("MainWindow", "Erstellte und gelöschte Semesterapparate"))
-        self.btn_del_select_apparats.setText(_translate("MainWindow", "Ausgewählte Löschen"))
-        self.btn_notify_for_deletion.setText(_translate("MainWindow", "Ausgewählte Benachrichtigen"))
-        self.tableWidget.setSortingEnabled(True)
-        item = self.tableWidget.horizontalHeaderItem(1)
-        item.setText(_translate("MainWindow", "Apparatsname"))
-        item = self.tableWidget.horizontalHeaderItem(2)
-        item.setText(_translate("MainWindow", "Apparatsnummer"))
-        item = self.tableWidget.horizontalHeaderItem(3)
-        item.setText(_translate("MainWindow", "Person"))
-        item = self.tableWidget.horizontalHeaderItem(4)
-        item.setText(_translate("MainWindow", "Fach"))
-        item = self.book_search_result.horizontalHeaderItem(0)
-        item.setText(_translate("MainWindow", "Titel"))
-        item = self.book_search_result.horizontalHeaderItem(1)
-        item.setText(_translate("MainWindow", "Signatur"))
-        item = self.book_search_result.horizontalHeaderItem(2)
-        item.setText(_translate("MainWindow", "Apparat"))
-        self.tabWidget.setTabText(self.tabWidget.indexOf(self.tab_2), _translate("MainWindow", "Suchen / Statistik"))
+        self.tabWidget.setTabText(self.tabWidget.indexOf(self.createApparat), _translate("MainWindow", "Anlegen"))
+        self.tabWidget.setTabText(self.tabWidget.indexOf(self.search_statistics), _translate("MainWindow", "Suchen / Statistik"))
         self.elsa_save.setText(_translate("MainWindow", "Speichern"))
         item = self.dokument_list_elsa.horizontalHeaderItem(0)
         item.setText(_translate("MainWindow", "Dokumentname"))
@@ -1642,7 +1434,7 @@ class Ui_MainWindow(object):
         item.setText(_translate("MainWindow", "Datum"))
         item = self.elsa_table.horizontalHeaderItem(2)
         item.setText(_translate("MainWindow", "Semester"))
-        self.tabWidget.setTabText(self.tabWidget.indexOf(self.tab_8), _translate("MainWindow", "ELSA"))
+        self.tabWidget.setTabText(self.tabWidget.indexOf(self.elsa), _translate("MainWindow", "ELSA"))
         self.label_21.setText(_translate("MainWindow", "Aktion:"))
         self.select_action_box.setItemText(0, _translate("MainWindow", "Nutzer anlegen"))
         self.select_action_box.setItemText(1, _translate("MainWindow", "Nutzer löschen"))
@@ -1674,7 +1466,7 @@ class Ui_MainWindow(object):
         self.update_faculty_member.setText(_translate("MainWindow", "Aktualisieren"))
         self.label_42.setText(_translate("MainWindow", "Neue Angaben"))
         self.reset_selection.setText(_translate("MainWindow", "..."))
-        self.tabWidget.setTabText(self.tabWidget.indexOf(self.tab_5), _translate("MainWindow", "Admin"))
+        self.tabWidget.setTabText(self.tabWidget.indexOf(self.admin), _translate("MainWindow", "Admin"))
         self.groupBox_2.setTitle(_translate("MainWindow", "Software"))
         self.appdata_check.setText(_translate("MainWindow", "Apparatsdaten eingegeben"))
         self.media_check.setText(_translate("MainWindow", "Medien hinzugefügt / importiert"))
diff --git a/src/ui/semesterapparat_ui.ui b/src/ui/semesterapparat_ui.ui
index 906048f..662ec9b 100644
--- a/src/ui/semesterapparat_ui.ui
+++ b/src/ui/semesterapparat_ui.ui
@@ -60,7 +60,7 @@
       <x>0</x>
       <y>0</y>
       <width>1271</width>
-      <height>771</height>
+      <height>751</height>
      </rect>
     </property>
     <layout class="QVBoxLayout" name="mainLayout">
@@ -76,7 +76,7 @@
            <property name="currentIndex">
             <number>0</number>
            </property>
-           <widget class="QWidget" name="tab">
+           <widget class="QWidget" name="createApparat">
             <property name="sizePolicy">
              <sizepolicy hsizetype="Preferred" vsizetype="Preferred">
               <horstretch>0</horstretch>
@@ -670,7 +670,7 @@
                   <rect>
                    <x>110</x>
                    <y>110</y>
-                   <width>47</width>
+                   <width>16</width>
                    <height>21</height>
                   </rect>
                  </property>
@@ -762,6 +762,9 @@
                  <property name="text">
                   <string>Tel</string>
                  </property>
+                 <property name="buddy">
+                  <cstring>prof_tel_nr</cstring>
+                 </property>
                 </widget>
                 <widget class="QWidget" name="gridLayoutWidget_5">
                  <property name="geometry">
@@ -773,7 +776,7 @@
                   </rect>
                  </property>
                  <layout class="QGridLayout" name="gridLayout_6">
-                  <item row="0" column="0">
+                  <item row="0" column="1">
                    <widget class="QComboBox" name="app_fach">
                     <property name="maximumSize">
                      <size>
@@ -792,7 +795,7 @@
                     </property>
                    </widget>
                   </item>
-                  <item row="0" column="1">
+                  <item row="0" column="3">
                    <spacer name="horizontalSpacer_7">
                     <property name="orientation">
                      <enum>Qt::Horizontal</enum>
@@ -805,6 +808,19 @@
                     </property>
                    </spacer>
                   </item>
+                  <item row="0" column="2">
+                   <widget class="QToolButton" name="valid_check_app_fach">
+                    <property name="text">
+                     <string/>
+                    </property>
+                    <property name="autoRaise">
+                     <bool>true</bool>
+                    </property>
+                    <property name="arrowType">
+                     <enum>Qt::NoArrow</enum>
+                    </property>
+                   </widget>
+                  </item>
                  </layout>
                 </widget>
                 <widget class="QLabel" name="_mand">
@@ -960,6 +976,9 @@
                  <property name="text">
                   <string>Prof. Titel</string>
                  </property>
+                 <property name="buddy">
+                  <cstring>prof_title</cstring>
+                 </property>
                 </widget>
                 <widget class="QLabel" name="label_2">
                  <property name="geometry">
@@ -979,6 +998,9 @@
                  <property name="text">
                   <string>Apparatsnummer</string>
                  </property>
+                 <property name="buddy">
+                  <cstring>drpdwn_app_nr</cstring>
+                 </property>
                 </widget>
                 <widget class="QLabel" name="label_8">
                  <property name="geometry">
@@ -998,6 +1020,9 @@
                  <property name="text">
                   <string>Mail</string>
                  </property>
+                 <property name="buddy">
+                  <cstring>prof_mail</cstring>
+                 </property>
                 </widget>
                 <widget class="QLabel" name="label_10">
                  <property name="geometry">
@@ -1017,6 +1042,9 @@
                  <property name="text">
                   <string>Fach</string>
                  </property>
+                 <property name="buddy">
+                  <cstring>app_fach</cstring>
+                 </property>
                 </widget>
                 <widget class="QLineEdit" name="prof_mail">
                  <property name="geometry">
@@ -1064,6 +1092,9 @@
                     <property name="text">
                      <string>Prof-ID-aDIS</string>
                     </property>
+                    <property name="buddy">
+                     <cstring>prof_id_adis</cstring>
+                    </property>
                    </widget>
                   </item>
                   <item row="0" column="1">
@@ -1093,6 +1124,9 @@
                     <property name="text">
                      <string>Apparat-ID-aDIS</string>
                     </property>
+                    <property name="buddy">
+                     <cstring>apparat_id_adis</cstring>
+                    </property>
                    </widget>
                   </item>
                   <item row="1" column="1">
@@ -1194,6 +1228,9 @@
                  <property name="text">
                   <string>Prof. Name</string>
                  </property>
+                 <property name="buddy">
+                  <cstring>drpdwn_prof_name</cstring>
+                 </property>
                 </widget>
                 <widget class="QLabel" name="telnr_mand">
                  <property name="geometry">
@@ -1254,6 +1291,9 @@
                  <property name="text">
                   <string>Apparatsname</string>
                  </property>
+                 <property name="buddy">
+                  <cstring>app_name</cstring>
+                 </property>
                 </widget>
                 <widget class="QLineEdit" name="app_name">
                  <property name="geometry">
@@ -1314,6 +1354,28 @@
                  <property name="text">
                   <string>Semester</string>
                  </property>
+                 <property name="buddy">
+                  <cstring>sem_year</cstring>
+                 </property>
+                </widget>
+                <widget class="QToolButton" name="valid_check_profname">
+                 <property name="geometry">
+                  <rect>
+                   <x>240</x>
+                   <y>110</y>
+                   <width>23</width>
+                   <height>22</height>
+                  </rect>
+                 </property>
+                 <property name="text">
+                  <string/>
+                 </property>
+                 <property name="autoRaise">
+                  <bool>true</bool>
+                 </property>
+                 <property name="arrowType">
+                  <enum>Qt::NoArrow</enum>
+                 </property>
                 </widget>
                </widget>
               </item>
@@ -1322,8 +1384,8 @@
             <widget class="QPushButton" name="add_medium">
              <property name="geometry">
               <rect>
-               <x>0</x>
-               <y>700</y>
+               <x>3</x>
+               <y>695</y>
                <width>121</width>
                <height>20</height>
               </rect>
@@ -1336,547 +1398,12 @@
              </property>
             </widget>
            </widget>
-           <widget class="QWidget" name="tab_2">
+           <widget class="QWidget" name="search_statistics">
             <attribute name="title">
              <string>Suchen / Statistik</string>
             </attribute>
-            <widget class="QWidget" name="verticalLayoutWidget_2">
-             <property name="geometry">
-              <rect>
-               <x>0</x>
-               <y>0</y>
-               <width>1251</width>
-               <height>721</height>
-              </rect>
-             </property>
-             <layout class="QVBoxLayout" name="verticalLayout_3">
-              <item>
-               <widget class="QTabWidget" name="tabWidget_2">
-                <property name="maximumSize">
-                 <size>
-                  <width>16777215</width>
-                  <height>250</height>
-                 </size>
-                </property>
-                <property name="tabPosition">
-                 <enum>QTabWidget::North</enum>
-                </property>
-                <property name="tabShape">
-                 <enum>QTabWidget::Rounded</enum>
-                </property>
-                <property name="currentIndex">
-                 <number>1</number>
-                </property>
-                <widget class="QWidget" name="tab_3">
-                 <attribute name="title">
-                  <string>Statistik</string>
-                 </attribute>
-                 <widget class="QPushButton" name="btn_search">
-                  <property name="geometry">
-                   <rect>
-                    <x>10</x>
-                    <y>180</y>
-                    <width>75</width>
-                    <height>23</height>
-                   </rect>
-                  </property>
-                  <property name="text">
-                   <string>Suchen</string>
-                  </property>
-                 </widget>
-                 <widget class="QWidget" name="gridLayoutWidget">
-                  <property name="geometry">
-                   <rect>
-                    <x>10</x>
-                    <y>10</y>
-                    <width>491</width>
-                    <height>161</height>
-                   </rect>
-                  </property>
-                  <layout class="QGridLayout" name="gridLayout_3">
-                   <item row="0" column="0">
-                    <widget class="QLabel" name="label_7">
-                     <property name="text">
-                      <string>Appnr.:</string>
-                     </property>
-                    </widget>
-                   </item>
-                   <item row="1" column="3">
-                    <widget class="QComboBox" name="box_erstellsemester">
-                     <property name="editable">
-                      <bool>true</bool>
-                     </property>
-                    </widget>
-                   </item>
-                   <item row="2" column="2">
-                    <widget class="QLabel" name="label_18">
-                     <property name="text">
-                      <string>Dauerapp:</string>
-                     </property>
-                    </widget>
-                   </item>
-                   <item row="0" column="2">
-                    <widget class="QLabel" name="label_17">
-                     <property name="text">
-                      <string>Endsemester:</string>
-                     </property>
-                    </widget>
-                   </item>
-                   <item row="1" column="2">
-                    <widget class="QLabel" name="label_19">
-                     <property name="text">
-                      <string>Erstellsemester:</string>
-                     </property>
-                    </widget>
-                   </item>
-                   <item row="2" column="3">
-                    <widget class="QComboBox" name="box_dauerapp"/>
-                   </item>
-                   <item row="1" column="0">
-                    <widget class="QLabel" name="label_11">
-                     <property name="text">
-                      <string>Person:</string>
-                     </property>
-                    </widget>
-                   </item>
-                   <item row="2" column="0">
-                    <widget class="QLabel" name="label_16">
-                     <property name="text">
-                      <string>Fach:</string>
-                     </property>
-                    </widget>
-                   </item>
-                   <item row="0" column="3">
-                    <widget class="QComboBox" name="box_semester">
-                     <property name="editable">
-                      <bool>true</bool>
-                     </property>
-                    </widget>
-                   </item>
-                   <item row="0" column="1">
-                    <widget class="QComboBox" name="box_appnrs">
-                     <property name="editable">
-                      <bool>true</bool>
-                     </property>
-                    </widget>
-                   </item>
-                   <item row="2" column="1">
-                    <widget class="QComboBox" name="box_fach">
-                     <property name="editable">
-                      <bool>true</bool>
-                     </property>
-                    </widget>
-                   </item>
-                   <item row="1" column="1">
-                    <widget class="QComboBox" name="box_person">
-                     <property name="editable">
-                      <bool>true</bool>
-                     </property>
-                    </widget>
-                   </item>
-                   <item row="4" column="0">
-                    <spacer name="verticalSpacer_3">
-                     <property name="orientation">
-                      <enum>Qt::Vertical</enum>
-                     </property>
-                     <property name="sizeHint" stdset="0">
-                      <size>
-                       <width>20</width>
-                       <height>40</height>
-                      </size>
-                     </property>
-                    </spacer>
-                   </item>
-                   <item row="3" column="0">
-                    <widget class="QLabel" name="label_15">
-                     <property name="text">
-                      <string>Löschbar</string>
-                     </property>
-                    </widget>
-                   </item>
-                   <item row="3" column="1">
-                    <widget class="QCheckBox" name="check_deletable">
-                     <property name="focusPolicy">
-                      <enum>Qt::StrongFocus</enum>
-                     </property>
-                     <property name="text">
-                      <string/>
-                     </property>
-                    </widget>
-                   </item>
-                  </layout>
-                 </widget>
-                 <widget class="QLabel" name="db_err_message">
-                  <property name="geometry">
-                   <rect>
-                    <x>100</x>
-                    <y>180</y>
-                    <width>401</width>
-                    <height>23</height>
-                   </rect>
-                  </property>
-                  <property name="text">
-                   <string/>
-                  </property>
-                 </widget>
-                </widget>
-                <widget class="QWidget" name="tab_4">
-                 <attribute name="title">
-                  <string>Suchen</string>
-                 </attribute>
-                 <widget class="QWidget" name="formLayoutWidget">
-                  <property name="geometry">
-                   <rect>
-                    <x>10</x>
-                    <y>10</y>
-                    <width>451</width>
-                    <height>121</height>
-                   </rect>
-                  </property>
-                  <layout class="QFormLayout" name="formLayout_6">
-                   <item row="0" column="0">
-                    <widget class="QLabel" name="label_25">
-                     <property name="text">
-                      <string>Signatur</string>
-                     </property>
-                    </widget>
-                   </item>
-                   <item row="0" column="1">
-                    <widget class="QLineEdit" name="seach_by_signature">
-                     <property name="clearButtonEnabled">
-                      <bool>true</bool>
-                     </property>
-                    </widget>
-                   </item>
-                   <item row="1" column="0">
-                    <widget class="QLabel" name="label_26">
-                     <property name="text">
-                      <string>Titel</string>
-                     </property>
-                    </widget>
-                   </item>
-                   <item row="1" column="1">
-                    <widget class="QLineEdit" name="search_by_title">
-                     <property name="clearButtonEnabled">
-                      <bool>true</bool>
-                     </property>
-                    </widget>
-                   </item>
-                   <item row="2" column="0">
-                    <spacer name="verticalSpacer_4">
-                     <property name="orientation">
-                      <enum>Qt::Vertical</enum>
-                     </property>
-                     <property name="sizeHint" stdset="0">
-                      <size>
-                       <width>20</width>
-                       <height>40</height>
-                      </size>
-                     </property>
-                    </spacer>
-                   </item>
-                  </layout>
-                 </widget>
-                 <widget class="QPushButton" name="book_search">
-                  <property name="geometry">
-                   <rect>
-                    <x>10</x>
-                    <y>180</y>
-                    <width>75</width>
-                    <height>23</height>
-                   </rect>
-                  </property>
-                  <property name="text">
-                   <string>Suchen</string>
-                  </property>
-                 </widget>
-                </widget>
-               </widget>
-              </item>
-              <item>
-               <widget class="QStackedWidget" name="stackedWidget_4">
-                <property name="frameShape">
-                 <enum>QFrame::StyledPanel</enum>
-                </property>
-                <property name="frameShadow">
-                 <enum>QFrame::Raised</enum>
-                </property>
-                <property name="currentIndex">
-                 <number>1</number>
-                </property>
-                <widget class="QWidget" name="stackedWidget_4Page1">
-                 <widget class="QTabWidget" name="tabWidget_3">
-                  <property name="geometry">
-                   <rect>
-                    <x>780</x>
-                    <y>10</y>
-                    <width>441</width>
-                    <height>441</height>
-                   </rect>
-                  </property>
-                  <property name="currentIndex">
-                   <number>0</number>
-                  </property>
-                  <widget class="QWidget" name="tab_6">
-                   <attribute name="title">
-                    <string>Tabelle</string>
-                   </attribute>
-                   <widget class="QWidget" name="gridLayoutWidget_3">
-                    <property name="geometry">
-                     <rect>
-                      <x>0</x>
-                      <y>0</y>
-                      <width>431</width>
-                      <height>411</height>
-                     </rect>
-                    </property>
-                    <layout class="QGridLayout" name="gridLayout_4">
-                     <item row="0" column="0">
-                      <widget class="QTableWidget" name="statistics_table">
-                       <property name="sizePolicy">
-                        <sizepolicy hsizetype="Expanding" vsizetype="Expanding">
-                         <horstretch>0</horstretch>
-                         <verstretch>0</verstretch>
-                        </sizepolicy>
-                       </property>
-                       <property name="maximumSize">
-                        <size>
-                         <width>16777215</width>
-                         <height>16777215</height>
-                        </size>
-                       </property>
-                       <property name="focusPolicy">
-                        <enum>Qt::NoFocus</enum>
-                       </property>
-                       <property name="horizontalScrollBarPolicy">
-                        <enum>Qt::ScrollBarAlwaysOff</enum>
-                       </property>
-                       <property name="editTriggers">
-                        <set>QAbstractItemView::NoEditTriggers</set>
-                       </property>
-                       <property name="alternatingRowColors">
-                        <bool>true</bool>
-                       </property>
-                       <attribute name="horizontalHeaderCascadingSectionResizes">
-                        <bool>true</bool>
-                       </attribute>
-                       <attribute name="horizontalHeaderMinimumSectionSize">
-                        <number>40</number>
-                       </attribute>
-                       <attribute name="horizontalHeaderDefaultSectionSize">
-                        <number>59</number>
-                       </attribute>
-                       <attribute name="horizontalHeaderShowSortIndicator" stdset="0">
-                        <bool>true</bool>
-                       </attribute>
-                       <attribute name="horizontalHeaderStretchLastSection">
-                        <bool>true</bool>
-                       </attribute>
-                       <attribute name="verticalHeaderStretchLastSection">
-                        <bool>true</bool>
-                       </attribute>
-                       <column>
-                        <property name="text">
-                         <string>Semester</string>
-                        </property>
-                       </column>
-                       <column>
-                        <property name="text">
-                         <string>Zugang</string>
-                        </property>
-                       </column>
-                       <column>
-                        <property name="text">
-                         <string>Abgang</string>
-                        </property>
-                       </column>
-                      </widget>
-                     </item>
-                    </layout>
-                   </widget>
-                  </widget>
-                  <widget class="QWidget" name="tab_7">
-                   <attribute name="title">
-                    <string>Erstellte und gelöschte Semesterapparate</string>
-                   </attribute>
-                  </widget>
-                 </widget>
-                 <widget class="QWidget" name="widget" native="true">
-                  <property name="geometry">
-                   <rect>
-                    <x>10</x>
-                    <y>10</y>
-                    <width>761</width>
-                    <height>441</height>
-                   </rect>
-                  </property>
-                  <widget class="QWidget" name="horizontalLayoutWidget_3">
-                   <property name="geometry">
-                    <rect>
-                     <x>0</x>
-                     <y>0</y>
-                     <width>761</width>
-                     <height>58</height>
-                    </rect>
-                   </property>
-                   <layout class="QHBoxLayout" name="horizontalLayout_7">
-                    <item>
-                     <layout class="QVBoxLayout" name="verticalLayout_5"/>
-                    </item>
-                    <item>
-                     <widget class="QPushButton" name="btn_del_select_apparats">
-                      <property name="focusPolicy">
-                       <enum>Qt::StrongFocus</enum>
-                      </property>
-                      <property name="text">
-                       <string>Ausgewählte Löschen</string>
-                      </property>
-                     </widget>
-                    </item>
-                    <item>
-                     <widget class="QPushButton" name="btn_notify_for_deletion">
-                      <property name="text">
-                       <string>Ausgewählte Benachrichtigen</string>
-                      </property>
-                     </widget>
-                    </item>
-                    <item>
-                     <spacer name="horizontalSpacer_5">
-                      <property name="orientation">
-                       <enum>Qt::Horizontal</enum>
-                      </property>
-                      <property name="sizeHint" stdset="0">
-                       <size>
-                        <width>40</width>
-                        <height>20</height>
-                       </size>
-                      </property>
-                     </spacer>
-                    </item>
-                   </layout>
-                  </widget>
-                  <widget class="QWidget" name="table" native="true">
-                   <property name="geometry">
-                    <rect>
-                     <x>0</x>
-                     <y>50</y>
-                     <width>761</width>
-                     <height>391</height>
-                    </rect>
-                   </property>
-                   <widget class="QTableWidget" name="tableWidget">
-                    <property name="geometry">
-                     <rect>
-                      <x>0</x>
-                      <y>0</y>
-                      <width>761</width>
-                      <height>391</height>
-                     </rect>
-                    </property>
-                    <property name="focusPolicy">
-                     <enum>Qt::NoFocus</enum>
-                    </property>
-                    <property name="contextMenuPolicy">
-                     <enum>Qt::CustomContextMenu</enum>
-                    </property>
-                    <property name="editTriggers">
-                     <set>QAbstractItemView::NoEditTriggers</set>
-                    </property>
-                    <property name="sortingEnabled">
-                     <bool>true</bool>
-                    </property>
-                    <column>
-                     <property name="text">
-                      <string/>
-                     </property>
-                    </column>
-                    <column>
-                     <property name="text">
-                      <string>Apparatsname</string>
-                     </property>
-                    </column>
-                    <column>
-                     <property name="text">
-                      <string>Apparatsnummer</string>
-                     </property>
-                    </column>
-                    <column>
-                     <property name="text">
-                      <string>Person</string>
-                     </property>
-                    </column>
-                    <column>
-                     <property name="text">
-                      <string>Fach</string>
-                     </property>
-                    </column>
-                   </widget>
-                  </widget>
-                 </widget>
-                </widget>
-                <widget class="QWidget" name="page">
-                 <widget class="QWidget" name="verticalLayoutWidget_3">
-                  <property name="geometry">
-                   <rect>
-                    <x>0</x>
-                    <y>0</y>
-                    <width>1241</width>
-                    <height>461</height>
-                   </rect>
-                  </property>
-                  <layout class="QVBoxLayout" name="verticalLayout">
-                   <item>
-                    <widget class="QTableWidget" name="book_search_result">
-                     <property name="frameShadow">
-                      <enum>QFrame::Plain</enum>
-                     </property>
-                     <property name="editTriggers">
-                      <set>QAbstractItemView::NoEditTriggers</set>
-                     </property>
-                     <property name="alternatingRowColors">
-                      <bool>true</bool>
-                     </property>
-                     <property name="rowCount">
-                      <number>0</number>
-                     </property>
-                     <attribute name="horizontalHeaderCascadingSectionResizes">
-                      <bool>true</bool>
-                     </attribute>
-                     <attribute name="horizontalHeaderMinimumSectionSize">
-                      <number>100</number>
-                     </attribute>
-                     <attribute name="horizontalHeaderDefaultSectionSize">
-                      <number>200</number>
-                     </attribute>
-                     <attribute name="horizontalHeaderStretchLastSection">
-                      <bool>true</bool>
-                     </attribute>
-                     <column>
-                      <property name="text">
-                       <string>Titel</string>
-                      </property>
-                     </column>
-                     <column>
-                      <property name="text">
-                       <string>Signatur</string>
-                      </property>
-                     </column>
-                     <column>
-                      <property name="text">
-                       <string>Apparat</string>
-                      </property>
-                     </column>
-                    </widget>
-                   </item>
-                  </layout>
-                 </widget>
-                </widget>
-               </widget>
-              </item>
-             </layout>
-            </widget>
            </widget>
-           <widget class="QWidget" name="tab_8">
+           <widget class="QWidget" name="elsa">
             <attribute name="title">
              <string>ELSA</string>
             </attribute>
@@ -2088,6 +1615,9 @@
                  <property name="text">
                   <string>Semester</string>
                  </property>
+                 <property name="buddy">
+                  <cstring>elsa_semester</cstring>
+                 </property>
                 </widget>
                </item>
                <item row="3" column="0">
@@ -2134,6 +1664,9 @@
                  <property name="text">
                   <string>Professor</string>
                  </property>
+                 <property name="buddy">
+                  <cstring>elsa_prof</cstring>
+                 </property>
                 </widget>
                </item>
                <item row="0" column="1">
@@ -2151,6 +1684,9 @@
                  <property name="text">
                   <string>Auftragsdatum</string>
                  </property>
+                 <property name="buddy">
+                  <cstring>elsa_date</cstring>
+                 </property>
                 </widget>
                </item>
                <item row="2" column="1">
@@ -2217,9 +1753,9 @@
              <widget class="QTabWidget" name="elsa_statistics">
               <property name="geometry">
                <rect>
-                <x>10</x>
+                <x>0</x>
                 <y>0</y>
-                <width>431</width>
+                <width>451</width>
                 <height>321</height>
                </rect>
               </property>
@@ -2232,10 +1768,13 @@
                  <rect>
                   <x>0</x>
                   <y>0</y>
-                  <width>421</width>
+                  <width>441</width>
                   <height>291</height>
                  </rect>
                 </property>
+                <property name="focusPolicy">
+                 <enum>Qt::WheelFocus</enum>
+                </property>
                 <property name="horizontalScrollBarPolicy">
                  <enum>Qt::ScrollBarAlwaysOff</enum>
                 </property>
@@ -2246,7 +1785,7 @@
                  <enum>Qt::ElideRight</enum>
                 </property>
                 <attribute name="horizontalHeaderDefaultSectionSize">
-                 <number>210</number>
+                 <number>220</number>
                 </attribute>
                 <attribute name="horizontalHeaderShowSortIndicator" stdset="0">
                  <bool>true</bool>
@@ -2329,7 +1868,7 @@
              </column>
             </widget>
            </widget>
-           <widget class="QWidget" name="tab_5">
+           <widget class="QWidget" name="admin">
             <attribute name="title">
              <string>Admin</string>
             </attribute>
@@ -2448,6 +1987,9 @@
                   <property name="text">
                    <string>Nutzername</string>
                   </property>
+                  <property name="buddy">
+                   <cstring>user_delete_frame_user_select</cstring>
+                  </property>
                  </widget>
                 </item>
                 <item row="0" column="1">
@@ -2528,6 +2070,9 @@
                   <property name="text">
                    <string>Nutzername</string>
                   </property>
+                  <property name="buddy">
+                   <cstring>user_create_frame_username</cstring>
+                  </property>
                  </widget>
                 </item>
                 <item row="0" column="1">
@@ -2555,6 +2100,9 @@
                   <property name="text">
                    <string>Rolle</string>
                   </property>
+                  <property name="buddy">
+                   <cstring>user_frame_userrole</cstring>
+                  </property>
                  </widget>
                 </item>
                 <item row="1" column="0">
@@ -2567,6 +2115,9 @@
                   <property name="text">
                    <string>Passwort</string>
                   </property>
+                  <property name="buddy">
+                   <cstring>user_create_frame_password</cstring>
+                  </property>
                  </widget>
                 </item>
                 <item row="0" column="4">
@@ -2671,6 +2222,9 @@
                   <property name="text">
                    <string>Nutzername</string>
                   </property>
+                  <property name="buddy">
+                   <cstring>user_edit_frame_user_select</cstring>
+                  </property>
                  </widget>
                 </item>
                 <item row="0" column="1">
@@ -2710,6 +2264,9 @@
                   <property name="text">
                    <string>Rolle</string>
                   </property>
+                  <property name="buddy">
+                   <cstring>user_edit_frame_role_select</cstring>
+                  </property>
                  </widget>
                 </item>
                 <item row="1" column="0">
@@ -2722,6 +2279,9 @@
                   <property name="text">
                    <string>Neues Passwort</string>
                   </property>
+                  <property name="buddy">
+                   <cstring>user_edit_frame_new_password</cstring>
+                  </property>
                  </widget>
                 </item>
                 <item row="1" column="1">
@@ -2788,6 +2348,9 @@
                     <property name="text">
                      <string>Titel</string>
                     </property>
+                    <property name="buddy">
+                     <cstring>edit_faculty_member_new_title</cstring>
+                    </property>
                    </widget>
                   </item>
                   <item row="0" column="1">
@@ -2812,6 +2375,9 @@
                     <property name="text">
                      <string>Vorname</string>
                     </property>
+                    <property name="buddy">
+                     <cstring>edit_faculty_member_new_surname</cstring>
+                    </property>
                    </widget>
                   </item>
                   <item row="1" column="1">
@@ -2833,6 +2399,9 @@
                     <property name="text">
                      <string>Nachname</string>
                     </property>
+                    <property name="buddy">
+                     <cstring>user_faculty_member_new_name</cstring>
+                    </property>
                    </widget>
                   </item>
                   <item row="2" column="1">
@@ -2882,6 +2451,9 @@
                     <property name="text">
                      <string>Telefonnummer</string>
                     </property>
+                    <property name="buddy">
+                     <cstring>faculty_member_old_telnr</cstring>
+                    </property>
                    </widget>
                   </item>
                   <item row="1" column="1">
@@ -2943,6 +2515,9 @@
                     <property name="text">
                      <string>Mail</string>
                     </property>
+                    <property name="buddy">
+                     <cstring>user_faculty_member_new_mail</cstring>
+                    </property>
                    </widget>
                   </item>
                   <item row="1" column="0">
@@ -2955,6 +2530,9 @@
                     <property name="text">
                      <string>Telefon</string>
                     </property>
+                    <property name="buddy">
+                     <cstring>user_faculty_member_new_telnr</cstring>
+                    </property>
                    </widget>
                   </item>
                   <item row="0" column="1">
@@ -3338,6 +2916,7 @@
    <addaction name="menuEinstellungen"/>
    <addaction name="menuHelp"/>
   </widget>
+  <widget class="QStatusBar" name="statusBar"/>
   <action name="actionBeenden">
    <property name="text">
     <string>Beenden</string>
@@ -3384,45 +2963,62 @@
   </action>
  </widget>
  <tabstops>
+  <tabstop>drpdwn_app_nr</tabstop>
+  <tabstop>prof_title</tabstop>
+  <tabstop>drpdwn_prof_name</tabstop>
+  <tabstop>prof_mail</tabstop>
+  <tabstop>prof_tel_nr</tabstop>
+  <tabstop>app_name</tabstop>
+  <tabstop>app_fach</tabstop>
+  <tabstop>sem_year</tabstop>
+  <tabstop>check_eternal_app</tabstop>
   <tabstop>btn_add_document</tabstop>
   <tabstop>btn_open_document</tabstop>
   <tabstop>check_file</tabstop>
-  <tabstop>tabWidget_2</tabstop>
-  <tabstop>seach_by_signature</tabstop>
-  <tabstop>search_by_title</tabstop>
-  <tabstop>select_action_box</tabstop>
-  <tabstop>user_create_frame_username</tabstop>
-  <tabstop>user_frame_userrole</tabstop>
-  <tabstop>user_create_frame_password</tabstop>
-  <tabstop>user_frame_addUser</tabstop>
-  <tabstop>user_delete_frame_user_select</tabstop>
-  <tabstop>user_delete_confirm</tabstop>
-  <tabstop>pushButton</tabstop>
-  <tabstop>user_edit_frame_user_select</tabstop>
-  <tabstop>user_edit_frame_role_select</tabstop>
-  <tabstop>user_edit_frame_new_password</tabstop>
-  <tabstop>update_user</tabstop>
-  <tabstop>edit_faculty_member_title</tabstop>
-  <tabstop>edit_faculty_member_select_member</tabstop>
+  <tabstop>check_send_mail</tabstop>
+  <tabstop>btn_apparat_save</tabstop>
+  <tabstop>btn_apparat_apply</tabstop>
   <tabstop>edit_faculty_member_new_title</tabstop>
   <tabstop>edit_faculty_member_new_surname</tabstop>
   <tabstop>user_faculty_member_new_name</tabstop>
   <tabstop>user_faculty_member_new_mail</tabstop>
   <tabstop>user_faculty_member_new_telnr</tabstop>
   <tabstop>update_faculty_member</tabstop>
-  <tabstop>box_fach</tabstop>
-  <tabstop>box_person</tabstop>
-  <tabstop>btn_search</tabstop>
-  <tabstop>check_deletable</tabstop>
-  <tabstop>box_erstellsemester</tabstop>
-  <tabstop>box_semester</tabstop>
-  <tabstop>box_dauerapp</tabstop>
-  <tabstop>box_appnrs</tabstop>
   <tabstop>btn_copy_adis_command</tabstop>
   <tabstop>chkbx_show_del_media</tabstop>
   <tabstop>btn_reserve</tabstop>
-  <tabstop>tabWidget_3</tabstop>
-  <tabstop>book_search_result</tabstop>
+  <tabstop>edit_faculty_member_select_member</tabstop>
+  <tabstop>user_frame_addUser</tabstop>
+  <tabstop>user_edit_frame_user_select</tabstop>
+  <tabstop>select_action_box</tabstop>
+  <tabstop>user_edit_frame_new_password</tabstop>
+  <tabstop>user_frame_userrole</tabstop>
+  <tabstop>user_delete_frame_user_select</tabstop>
+  <tabstop>user_edit_frame_role_select</tabstop>
+  <tabstop>prof_id_adis</tabstop>
+  <tabstop>apparat_id_adis</tabstop>
+  <tabstop>user_create_frame_username</tabstop>
+  <tabstop>user_delete_confirm</tabstop>
+  <tabstop>pushButton</tabstop>
+  <tabstop>update_user</tabstop>
+  <tabstop>user_create_frame_password</tabstop>
+  <tabstop>edit_faculty_member_title</tabstop>
+  <tabstop>elsa_save</tabstop>
+  <tabstop>check_file_elsa</tabstop>
+  <tabstop>btn_open_document_elsa</tabstop>
+  <tabstop>btn_add_document_elsa</tabstop>
+  <tabstop>elsa_date_today</tabstop>
+  <tabstop>elsa_date</tabstop>
+  <tabstop>active_semester</tabstop>
+  <tabstop>elsa_prof</tabstop>
+  <tabstop>elsa_semester</tabstop>
+  <tabstop>table_elsa_list</tabstop>
+  <tabstop>elsa_statistics</tabstop>
+  <tabstop>elsa_statistics_table</tabstop>
+  <tabstop>elsa_cancel_create</tabstop>
+  <tabstop>elsa_add_new</tabstop>
+  <tabstop>elsa_table</tabstop>
+  <tabstop>reset_selection</tabstop>
  </tabstops>
  <resources>
   <include location="../../resources.qrc"/>
@@ -3439,8 +3035,8 @@
      <y>331</y>
     </hint>
     <hint type="destinationlabel">
-     <x>407</x>
-     <y>331</y>
+     <x>444</x>
+     <y>342</y>
     </hint>
    </hints>
   </connection>
@@ -3455,8 +3051,8 @@
      <y>331</y>
     </hint>
     <hint type="destinationlabel">
-     <x>407</x>
-     <y>331</y>
+     <x>444</x>
+     <y>342</y>
     </hint>
    </hints>
   </connection>