diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index d752935eb4f8b2f60fee45eb60e15bc5bba6297c..1a62e093770833f4feedea1b480a82728b544697 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -22,30 +22,48 @@
   </component>
   <component name="FileEditorManager">
     <leaf>
-      <file leaf-file-name="createUser.php" pinned="false" current-in-tab="false">
+      <file leaf-file-name="createUser.php" pinned="false" current-in-tab="true">
         <entry file="file://$PROJECT_DIR$/studentview/database/createUser.php">
           <provider selected="true" editor-type-id="text-editor">
-            <state vertical-scroll-proportion="-26.258064">
-              <caret line="37" column="0" selection-start-line="37" selection-start-column="0" selection-end-line="37" selection-end-column="0" />
+            <state vertical-scroll-proportion="0.52510285">
+              <caret line="29" column="1" selection-start-line="29" selection-start-column="1" selection-end-line="29" selection-end-column="1" />
               <folding>
                 <element signature="e#6#92#0#PHP" expanded="true" />
-                <marker date="1519639139065" expanded="true" signature="346:445" placeholder="SELECT (u.to... users" />
-                <marker date="1519639139065" expanded="true" signature="674:741" placeholder="INSERT INTO `users`... " />
-                <marker date="1519639139065" expanded="true" signature="674:742" placeholder="INSERT INTO `users`... " />
-                <marker date="1519639139065" expanded="true" signature="674:758" placeholder="INSERT INTO `users`... " />
-                <marker date="1519639139065" expanded="true" signature="674:778" placeholder="INSERT INTO `users`... " />
-                <marker date="1519639139065" expanded="true" signature="674:815" placeholder="INSERT INTO `users`... " />
-                <marker date="1519639139065" expanded="true" signature="674:816" placeholder="INSERT INTO `users`... " />
+                <marker date="1519643596337" expanded="true" signature="322:370" placeholder="SELECT (u.em... users" />
+                <marker date="1519643596337" expanded="true" signature="322:382" placeholder="SELECT (u.em... users" />
+                <marker date="1519643596337" expanded="true" signature="589:688" placeholder="SELECT (u.to... users" />
+                <marker date="1519643596337" expanded="true" signature="917:984" placeholder="INSERT INTO `users`... " />
+                <marker date="1519643596337" expanded="true" signature="917:985" placeholder="INSERT INTO `users`... " />
+                <marker date="1519643596337" expanded="true" signature="917:1001" placeholder="INSERT INTO `users`... " />
+                <marker date="1519643596337" expanded="true" signature="917:1021" placeholder="INSERT INTO `users`... " />
+                <marker date="1519643596337" expanded="true" signature="917:1058" placeholder="INSERT INTO `users`... " />
+                <marker date="1519643596337" expanded="true" signature="917:1059" placeholder="INSERT INTO `users`... " />
               </folding>
             </state>
           </provider>
         </entry>
       </file>
-      <file leaf-file-name="overview.php" pinned="false" current-in-tab="true">
+      <file leaf-file-name="userExists.php" pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/studentview/database/userExists.php">
+          <provider selected="true" editor-type-id="text-editor">
+            <state vertical-scroll-proportion="-9.935484">
+              <caret line="14" column="0" selection-start-line="14" selection-start-column="0" selection-end-line="22" selection-end-column="1" />
+              <folding>
+                <element signature="e#6#92#0#PHP" expanded="true" />
+                <marker date="1519639068104" expanded="true" signature="219:282" placeholder="SELECT (`pas... users" />
+                <marker date="1519639068104" expanded="true" signature="219:286" placeholder="SELECT (`pas... users" />
+                <marker date="1519639068104" expanded="true" signature="219:299" placeholder="SELECT (`pas... users" />
+                <marker date="1519639068104" expanded="true" signature="219:314" placeholder="SELECT (u.to... users" />
+              </folding>
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file leaf-file-name="overview.php" pinned="false" current-in-tab="false">
         <entry file="file://$PROJECT_DIR$/studentview/pages/overview.php">
           <provider selected="true" editor-type-id="text-editor">
-            <state vertical-scroll-proportion="0.17307693">
-              <caret line="9" column="26" selection-start-line="9" selection-start-column="26" selection-end-line="9" selection-end-column="26" />
+            <state vertical-scroll-proportion="-1.5098039">
+              <caret line="7" column="49" selection-start-line="7" selection-start-column="49" selection-end-line="7" selection-end-column="49" />
               <folding>
                 <element signature="n#style#0;n#div#0;n#body#0;n#html#0;n#!!top" expanded="true" />
                 <element signature="n#style#0;n#div#0;n#div#0;n#body#0;n#html#0;n#!!top" expanded="true" />
@@ -72,6 +90,7 @@
                 <element signature="n#style#0;n#div#0;n#div#0;n#div#0;n#div#0;n#div#1;n#div#0;n#div#2;n#div#0;n#body#0;n#html#0;n#!!top" expanded="true" />
                 <element signature="n#style#0;n#tr#0;n#tbody#0;n#table#0;n#div#1;n#div#0;n#div#0;n#div#0;n#div#0;n#div#1;n#div#0;n#div#2;n#div#0;n#body#0;n#html#0;n#!!top" expanded="true" />
                 <element signature="n#style#0;n#div#0;n#div#0;n#div#0;n#div#0;n#div#2;n#div#0;n#div#2;n#div#0;n#body#0;n#html#0;n#!!top" expanded="true" />
+                <marker date="1519639344138" expanded="true" signature="76:115" placeholder="..." />
                 <marker date="1519639344138" expanded="true" signature="128:194" placeholder="SELECT (`nam... users" />
               </folding>
             </state>
@@ -81,70 +100,22 @@
       <file leaf-file-name="index.php" pinned="false" current-in-tab="false">
         <entry file="file://$PROJECT_DIR$/studentview/index.php">
           <provider selected="true" editor-type-id="text-editor">
-            <state vertical-scroll-proportion="-20.580645">
-              <caret line="29" column="42" selection-start-line="29" selection-start-column="42" selection-end-line="29" selection-end-column="42" />
+            <state vertical-scroll-proportion="-22.709677">
+              <caret line="32" column="14" selection-start-line="26" selection-start-column="12" selection-end-line="32" selection-end-column="14" />
               <folding>
-                <marker date="1519637410325" expanded="true" signature="1376:1435" placeholder="..." />
+                <marker date="1519643459904" expanded="true" signature="1376:1435" placeholder="..." />
               </folding>
             </state>
           </provider>
         </entry>
       </file>
-      <file leaf-file-name="register.html" pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/studentview/register.html">
-          <provider selected="true" editor-type-id="text-editor">
-            <state vertical-scroll-proportion="-19.161291">
-              <caret line="27" column="29" selection-start-line="27" selection-start-column="29" selection-end-line="27" selection-end-column="29" />
-              <folding />
-            </state>
-          </provider>
-        </entry>
-      </file>
-      <file leaf-file-name="register.js" pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/studentview/assets/js/register.js">
+      <file leaf-file-name="register.php" pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/studentview/register.php">
           <provider selected="true" editor-type-id="text-editor">
-            <state vertical-scroll-proportion="0.0">
-              <caret line="5" column="7" selection-start-line="5" selection-start-column="7" selection-end-line="5" selection-end-column="7" />
+            <state vertical-scroll-proportion="-21.290323">
+              <caret line="30" column="38" selection-start-line="30" selection-start-column="38" selection-end-line="30" selection-end-column="38" />
               <folding>
-                <element signature="e#0#42#0" expanded="false" />
-              </folding>
-            </state>
-          </provider>
-        </entry>
-      </file>
-      <file leaf-file-name="myGroupsInit.js" pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/studentview/assets/js/myGroupsInit.js">
-          <provider selected="true" editor-type-id="text-editor">
-            <state vertical-scroll-proportion="0.0">
-              <caret line="3" column="0" selection-start-line="3" selection-start-column="0" selection-end-line="7" selection-end-column="3" />
-              <folding />
-            </state>
-          </provider>
-        </entry>
-      </file>
-      <file leaf-file-name="config.php" pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/studentview/database/config.php">
-          <provider selected="true" editor-type-id="text-editor">
-            <state vertical-scroll-proportion="-6.387097">
-              <caret line="9" column="0" selection-start-line="9" selection-start-column="0" selection-end-line="9" selection-end-column="0" />
-              <folding>
-                <element signature="e#6#92#0#PHP" expanded="true" />
-              </folding>
-            </state>
-          </provider>
-        </entry>
-      </file>
-      <file leaf-file-name="userExists.php" pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/studentview/database/userExists.php">
-          <provider selected="true" editor-type-id="text-editor">
-            <state vertical-scroll-proportion="-17.032259">
-              <caret line="24" column="0" selection-start-line="24" selection-start-column="0" selection-end-line="24" selection-end-column="50" />
-              <folding>
-                <element signature="e#6#92#0#PHP" expanded="true" />
-                <marker date="1519639068104" expanded="true" signature="219:282" placeholder="SELECT (`pas... users" />
-                <marker date="1519639068104" expanded="true" signature="219:286" placeholder="SELECT (`pas... users" />
-                <marker date="1519639068104" expanded="true" signature="219:299" placeholder="SELECT (`pas... users" />
-                <marker date="1519639068104" expanded="true" signature="219:314" placeholder="SELECT (u.to... users" />
+                <marker date="1519643468369" expanded="true" signature="1758:1827" placeholder="..." />
               </folding>
             </state>
           </provider>
@@ -174,8 +145,9 @@
         <option value="$PROJECT_DIR$/studentview/database/config.php" />
         <option value="$PROJECT_DIR$/studentview/index.php" />
         <option value="$PROJECT_DIR$/studentview/database/userExists.php" />
-        <option value="$PROJECT_DIR$/studentview/database/createUser.php" />
         <option value="$PROJECT_DIR$/studentview/pages/overview.php" />
+        <option value="$PROJECT_DIR$/studentview/register.php" />
+        <option value="$PROJECT_DIR$/studentview/database/createUser.php" />
       </list>
     </option>
   </component>
@@ -794,12 +766,12 @@
       <created>1519386118701</created>
       <option name="number" value="Default" />
       <updated>1519386118701</updated>
-      <workItem from="1519386120301" duration="9434000" />
+      <workItem from="1519386120301" duration="11498000" />
     </task>
     <servers />
   </component>
   <component name="TimeTrackingManager">
-    <option name="totallyTimeSpent" value="9434000" />
+    <option name="totallyTimeSpent" value="11498000" />
   </component>
   <component name="ToolWindowManager">
     <frame x="-9" y="-9" width="2578" height="1410" extended-state="6" />
@@ -853,9 +825,45 @@
     <watches-manager />
   </component>
   <component name="editorHistoryManager">
+    <entry file="file://$PROJECT_DIR$/studentview/pages/overview.php">
+      <provider selected="true" editor-type-id="text-editor">
+        <state vertical-scroll-proportion="-1.5098039">
+          <caret line="7" column="49" selection-start-line="7" selection-start-column="49" selection-end-line="7" selection-end-column="49" />
+          <folding>
+            <element signature="n#style#0;n#div#0;n#body#0;n#html#0;n#!!top" expanded="true" />
+            <element signature="n#style#0;n#div#0;n#div#0;n#body#0;n#html#0;n#!!top" expanded="true" />
+            <element signature="n#style#0;n#ul#0;n#div#0;n#div#0;n#div#0;n#div#0;n#body#0;n#html#0;n#!!top" expanded="true" />
+            <element signature="n#style#0;n#h3#0;n#li#0;n#ul#0;n#div#0;n#div#0;n#div#0;n#div#0;n#body#0;n#html#0;n#!!top" expanded="true" />
+            <element signature="n#style#0;n#li#1;n#ul#0;n#div#0;n#div#0;n#div#0;n#div#0;n#body#0;n#html#0;n#!!top" expanded="true" />
+            <element signature="n#style#0;n#a#0;n#li#1;n#ul#0;n#div#0;n#div#0;n#div#0;n#div#0;n#body#0;n#html#0;n#!!top" expanded="true" />
+            <element signature="n#style#0;n#li#2;n#ul#0;n#div#0;n#div#0;n#div#0;n#div#0;n#body#0;n#html#0;n#!!top" expanded="true" />
+            <element signature="n#style#0;n#a#0;n#li#2;n#ul#0;n#div#0;n#div#0;n#div#0;n#div#0;n#body#0;n#html#0;n#!!top" expanded="true" />
+            <element signature="n#style#0;n#li#3;n#ul#0;n#div#0;n#div#0;n#div#0;n#div#0;n#body#0;n#html#0;n#!!top" expanded="true" />
+            <element signature="n#style#0;n#a#0;n#li#3;n#ul#0;n#div#0;n#div#0;n#div#0;n#div#0;n#body#0;n#html#0;n#!!top" expanded="true" />
+            <element signature="n#style#0;n#ul#0;n#div#1;n#div#0;n#div#0;n#div#0;n#body#0;n#html#0;n#!!top" expanded="true" />
+            <element signature="n#style#0;n#h3#0;n#li#0;n#ul#0;n#div#1;n#div#0;n#div#0;n#div#0;n#body#0;n#html#0;n#!!top" expanded="true" />
+            <element signature="n#style#0;n#li#1;n#ul#0;n#div#1;n#div#0;n#div#0;n#div#0;n#body#0;n#html#0;n#!!top" expanded="true" />
+            <element signature="n#style#0;n#a#0;n#li#1;n#ul#0;n#div#1;n#div#0;n#div#0;n#div#0;n#body#0;n#html#0;n#!!top" expanded="true" />
+            <element signature="n#style#0;n#li#2;n#ul#0;n#div#1;n#div#0;n#div#0;n#div#0;n#body#0;n#html#0;n#!!top" expanded="true" />
+            <element signature="n#style#0;n#a#0;n#li#2;n#ul#0;n#div#1;n#div#0;n#div#0;n#div#0;n#body#0;n#html#0;n#!!top" expanded="true" />
+            <element signature="n#style#0;n#li#3;n#ul#0;n#div#1;n#div#0;n#div#0;n#div#0;n#body#0;n#html#0;n#!!top" expanded="true" />
+            <element signature="n#style#0;n#a#0;n#li#3;n#ul#0;n#div#1;n#div#0;n#div#0;n#div#0;n#body#0;n#html#0;n#!!top" expanded="true" />
+            <element signature="n#style#0;n#div#2;n#div#0;n#body#0;n#html#0;n#!!top" expanded="true" />
+            <element signature="n#style#0;n#div#0;n#div#0;n#div#0;n#div#0;n#div#0;n#div#0;n#div#2;n#div#0;n#body#0;n#html#0;n#!!top" expanded="true" />
+            <element signature="n#style#0;n#table#0;n#div#1;n#div#0;n#div#0;n#div#0;n#div#0;n#div#0;n#div#0;n#div#2;n#div#0;n#body#0;n#html#0;n#!!top" expanded="true" />
+            <element signature="n#style#0;n#tr#0;n#tbody#0;n#table#0;n#div#1;n#div#0;n#div#0;n#div#0;n#div#0;n#div#0;n#div#0;n#div#2;n#div#0;n#body#0;n#html#0;n#!!top" expanded="true" />
+            <element signature="n#style#0;n#div#0;n#div#0;n#div#0;n#div#0;n#div#1;n#div#0;n#div#2;n#div#0;n#body#0;n#html#0;n#!!top" expanded="true" />
+            <element signature="n#style#0;n#tr#0;n#tbody#0;n#table#0;n#div#1;n#div#0;n#div#0;n#div#0;n#div#0;n#div#1;n#div#0;n#div#2;n#div#0;n#body#0;n#html#0;n#!!top" expanded="true" />
+            <element signature="n#style#0;n#div#0;n#div#0;n#div#0;n#div#0;n#div#2;n#div#0;n#div#2;n#div#0;n#body#0;n#html#0;n#!!top" expanded="true" />
+            <marker date="1519639344138" expanded="true" signature="76:115" placeholder="..." />
+            <marker date="1519639344138" expanded="true" signature="128:194" placeholder="SELECT (`nam... users" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
     <entry file="file://$PROJECT_DIR$/studentview/assets/js/myGroupsInit.js">
       <provider selected="true" editor-type-id="text-editor">
-        <state vertical-scroll-proportion="0.0">
+        <state vertical-scroll-proportion="0.052969504">
           <caret line="3" column="0" selection-start-line="3" selection-start-column="0" selection-end-line="7" selection-end-column="3" />
           <folding />
         </state>
@@ -863,7 +871,7 @@
     </entry>
     <entry file="file://$PROJECT_DIR$/studentview/assets/js/register.js">
       <provider selected="true" editor-type-id="text-editor">
-        <state vertical-scroll-proportion="0.0">
+        <state vertical-scroll-proportion="0.052969504">
           <caret line="5" column="7" selection-start-line="5" selection-start-column="7" selection-end-line="5" selection-end-column="7" />
           <folding>
             <element signature="e#0#42#0" expanded="false" />
@@ -873,7 +881,7 @@
     </entry>
     <entry file="file://$PROJECT_DIR$/studentview/database/config.php">
       <provider selected="true" editor-type-id="text-editor">
-        <state vertical-scroll-proportion="-6.387097">
+        <state vertical-scroll-proportion="0.16296296">
           <caret line="9" column="0" selection-start-line="9" selection-start-column="0" selection-end-line="9" selection-end-column="0" />
           <folding>
             <element signature="e#6#92#0#PHP" expanded="true" />
@@ -883,43 +891,28 @@
     </entry>
     <entry file="file://$PROJECT_DIR$/studentview/index.php">
       <provider selected="true" editor-type-id="text-editor">
-        <state vertical-scroll-proportion="-20.580645">
-          <caret line="29" column="42" selection-start-line="29" selection-start-column="42" selection-end-line="29" selection-end-column="42" />
+        <state vertical-scroll-proportion="-22.709677">
+          <caret line="32" column="14" selection-start-line="26" selection-start-column="12" selection-end-line="32" selection-end-column="14" />
           <folding>
-            <marker date="1519637410325" expanded="true" signature="1376:1435" placeholder="..." />
+            <marker date="1519643459904" expanded="true" signature="1376:1435" placeholder="..." />
           </folding>
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/studentview/register.html">
+    <entry file="file://$PROJECT_DIR$/studentview/register.php">
       <provider selected="true" editor-type-id="text-editor">
-        <state vertical-scroll-proportion="-19.161291">
-          <caret line="27" column="29" selection-start-line="27" selection-start-column="29" selection-end-line="27" selection-end-column="29" />
-          <folding />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/studentview/database/createUser.php">
-      <provider selected="true" editor-type-id="text-editor">
-        <state vertical-scroll-proportion="-26.258064">
-          <caret line="37" column="0" selection-start-line="37" selection-start-column="0" selection-end-line="37" selection-end-column="0" />
+        <state vertical-scroll-proportion="-21.290323">
+          <caret line="30" column="38" selection-start-line="30" selection-start-column="38" selection-end-line="30" selection-end-column="38" />
           <folding>
-            <element signature="e#6#92#0#PHP" expanded="true" />
-            <marker date="1519639139065" expanded="true" signature="346:445" placeholder="SELECT (u.to... users" />
-            <marker date="1519639139065" expanded="true" signature="674:741" placeholder="INSERT INTO `users`... " />
-            <marker date="1519639139065" expanded="true" signature="674:742" placeholder="INSERT INTO `users`... " />
-            <marker date="1519639139065" expanded="true" signature="674:758" placeholder="INSERT INTO `users`... " />
-            <marker date="1519639139065" expanded="true" signature="674:778" placeholder="INSERT INTO `users`... " />
-            <marker date="1519639139065" expanded="true" signature="674:815" placeholder="INSERT INTO `users`... " />
-            <marker date="1519639139065" expanded="true" signature="674:816" placeholder="INSERT INTO `users`... " />
+            <marker date="1519643468369" expanded="true" signature="1758:1827" placeholder="..." />
           </folding>
         </state>
       </provider>
     </entry>
     <entry file="file://$PROJECT_DIR$/studentview/database/userExists.php">
       <provider selected="true" editor-type-id="text-editor">
-        <state vertical-scroll-proportion="-17.032259">
-          <caret line="24" column="0" selection-start-line="24" selection-start-column="0" selection-end-line="24" selection-end-column="50" />
+        <state vertical-scroll-proportion="-9.935484">
+          <caret line="14" column="0" selection-start-line="14" selection-start-column="0" selection-end-line="22" selection-end-column="1" />
           <folding>
             <element signature="e#6#92#0#PHP" expanded="true" />
             <marker date="1519639068104" expanded="true" signature="219:282" placeholder="SELECT (`pas... users" />
@@ -930,37 +923,21 @@
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/studentview/pages/overview.php">
+    <entry file="file://$PROJECT_DIR$/studentview/database/createUser.php">
       <provider selected="true" editor-type-id="text-editor">
-        <state vertical-scroll-proportion="0.17307693">
-          <caret line="9" column="26" selection-start-line="9" selection-start-column="26" selection-end-line="9" selection-end-column="26" />
+        <state vertical-scroll-proportion="0.52510285">
+          <caret line="29" column="1" selection-start-line="29" selection-start-column="1" selection-end-line="29" selection-end-column="1" />
           <folding>
-            <element signature="n#style#0;n#div#0;n#body#0;n#html#0;n#!!top" expanded="true" />
-            <element signature="n#style#0;n#div#0;n#div#0;n#body#0;n#html#0;n#!!top" expanded="true" />
-            <element signature="n#style#0;n#ul#0;n#div#0;n#div#0;n#div#0;n#div#0;n#body#0;n#html#0;n#!!top" expanded="true" />
-            <element signature="n#style#0;n#h3#0;n#li#0;n#ul#0;n#div#0;n#div#0;n#div#0;n#div#0;n#body#0;n#html#0;n#!!top" expanded="true" />
-            <element signature="n#style#0;n#li#1;n#ul#0;n#div#0;n#div#0;n#div#0;n#div#0;n#body#0;n#html#0;n#!!top" expanded="true" />
-            <element signature="n#style#0;n#a#0;n#li#1;n#ul#0;n#div#0;n#div#0;n#div#0;n#div#0;n#body#0;n#html#0;n#!!top" expanded="true" />
-            <element signature="n#style#0;n#li#2;n#ul#0;n#div#0;n#div#0;n#div#0;n#div#0;n#body#0;n#html#0;n#!!top" expanded="true" />
-            <element signature="n#style#0;n#a#0;n#li#2;n#ul#0;n#div#0;n#div#0;n#div#0;n#div#0;n#body#0;n#html#0;n#!!top" expanded="true" />
-            <element signature="n#style#0;n#li#3;n#ul#0;n#div#0;n#div#0;n#div#0;n#div#0;n#body#0;n#html#0;n#!!top" expanded="true" />
-            <element signature="n#style#0;n#a#0;n#li#3;n#ul#0;n#div#0;n#div#0;n#div#0;n#div#0;n#body#0;n#html#0;n#!!top" expanded="true" />
-            <element signature="n#style#0;n#ul#0;n#div#1;n#div#0;n#div#0;n#div#0;n#body#0;n#html#0;n#!!top" expanded="true" />
-            <element signature="n#style#0;n#h3#0;n#li#0;n#ul#0;n#div#1;n#div#0;n#div#0;n#div#0;n#body#0;n#html#0;n#!!top" expanded="true" />
-            <element signature="n#style#0;n#li#1;n#ul#0;n#div#1;n#div#0;n#div#0;n#div#0;n#body#0;n#html#0;n#!!top" expanded="true" />
-            <element signature="n#style#0;n#a#0;n#li#1;n#ul#0;n#div#1;n#div#0;n#div#0;n#div#0;n#body#0;n#html#0;n#!!top" expanded="true" />
-            <element signature="n#style#0;n#li#2;n#ul#0;n#div#1;n#div#0;n#div#0;n#div#0;n#body#0;n#html#0;n#!!top" expanded="true" />
-            <element signature="n#style#0;n#a#0;n#li#2;n#ul#0;n#div#1;n#div#0;n#div#0;n#div#0;n#body#0;n#html#0;n#!!top" expanded="true" />
-            <element signature="n#style#0;n#li#3;n#ul#0;n#div#1;n#div#0;n#div#0;n#div#0;n#body#0;n#html#0;n#!!top" expanded="true" />
-            <element signature="n#style#0;n#a#0;n#li#3;n#ul#0;n#div#1;n#div#0;n#div#0;n#div#0;n#body#0;n#html#0;n#!!top" expanded="true" />
-            <element signature="n#style#0;n#div#2;n#div#0;n#body#0;n#html#0;n#!!top" expanded="true" />
-            <element signature="n#style#0;n#div#0;n#div#0;n#div#0;n#div#0;n#div#0;n#div#0;n#div#2;n#div#0;n#body#0;n#html#0;n#!!top" expanded="true" />
-            <element signature="n#style#0;n#table#0;n#div#1;n#div#0;n#div#0;n#div#0;n#div#0;n#div#0;n#div#0;n#div#2;n#div#0;n#body#0;n#html#0;n#!!top" expanded="true" />
-            <element signature="n#style#0;n#tr#0;n#tbody#0;n#table#0;n#div#1;n#div#0;n#div#0;n#div#0;n#div#0;n#div#0;n#div#0;n#div#2;n#div#0;n#body#0;n#html#0;n#!!top" expanded="true" />
-            <element signature="n#style#0;n#div#0;n#div#0;n#div#0;n#div#0;n#div#1;n#div#0;n#div#2;n#div#0;n#body#0;n#html#0;n#!!top" expanded="true" />
-            <element signature="n#style#0;n#tr#0;n#tbody#0;n#table#0;n#div#1;n#div#0;n#div#0;n#div#0;n#div#0;n#div#1;n#div#0;n#div#2;n#div#0;n#body#0;n#html#0;n#!!top" expanded="true" />
-            <element signature="n#style#0;n#div#0;n#div#0;n#div#0;n#div#0;n#div#2;n#div#0;n#div#2;n#div#0;n#body#0;n#html#0;n#!!top" expanded="true" />
-            <marker date="1519639344138" expanded="true" signature="128:194" placeholder="SELECT (`nam... users" />
+            <element signature="e#6#92#0#PHP" expanded="true" />
+            <marker date="1519643596337" expanded="true" signature="322:370" placeholder="SELECT (u.em... users" />
+            <marker date="1519643596337" expanded="true" signature="322:382" placeholder="SELECT (u.em... users" />
+            <marker date="1519643596337" expanded="true" signature="589:688" placeholder="SELECT (u.to... users" />
+            <marker date="1519643596337" expanded="true" signature="917:984" placeholder="INSERT INTO `users`... " />
+            <marker date="1519643596337" expanded="true" signature="917:985" placeholder="INSERT INTO `users`... " />
+            <marker date="1519643596337" expanded="true" signature="917:1001" placeholder="INSERT INTO `users`... " />
+            <marker date="1519643596337" expanded="true" signature="917:1021" placeholder="INSERT INTO `users`... " />
+            <marker date="1519643596337" expanded="true" signature="917:1058" placeholder="INSERT INTO `users`... " />
+            <marker date="1519643596337" expanded="true" signature="917:1059" placeholder="INSERT INTO `users`... " />
           </folding>
         </state>
       </provider>
diff --git a/studentview/database/createUser.php b/studentview/database/createUser.php
index ef6ac277c670b94d3070158f0d15b47a2c18f38a..3326d88bc6519f471b4dc0617969adef690d9fcb 100644
--- a/studentview/database/createUser.php
+++ b/studentview/database/createUser.php
@@ -20,6 +20,15 @@ $token = uniqid();
 
 $db->query("use fltrail;");
 
+$query = "SELECT (u.email) from users u where u.email = \"".$email."\";";
+
+$queryObj = mysqli_query($db, $query);
+$result = mysqli_fetch_object($queryObj);
+if ($result) {
+    header("Location: ../register.php?emailExists=true");
+    die();
+}
+
 // if user exists login
 $query = "SELECT (u.token) from users u where u.password = \"".$password. "\" and u.email=\""
     .$email."\";";
diff --git a/studentview/index.php b/studentview/index.php
index 0045cf2b86e7367bc9324838fb0772b6bf04112e..b77768f2109c4c68ef160c0f9c5488403d291e80 100644
--- a/studentview/index.php
+++ b/studentview/index.php
@@ -32,7 +32,7 @@
             }
             ?>
         </div>
-        <a href="register.html" class="forgot">registrieren</a></form>
+        <a href="register.php" class="forgot">registrieren</a></form>
 
 </div>
 
diff --git a/studentview/register.html b/studentview/register.php
similarity index 85%
rename from studentview/register.html
rename to studentview/register.php
index 1522271c991ead21c9d854f99d94ab0147627747..3ae1c204b4b4dad0828d97264d9d2ebaa2936802 100644
--- a/studentview/register.html
+++ b/studentview/register.php
@@ -25,6 +25,15 @@
             <!--<div class="form-group"><input class="form-control" type="password" name="password"
                                            placeholder="Password wiederholen"></div>-->
             <div class="form-group"><button class="btn btn-primary btn-block" type="submit">Log In</button></div>
+            <div class="form-group">
+                <?php
+                if (isset($_GET['emailExists'])) {
+                    echo "<div class=\"alert alert-danger\" role=\"alert\">
+            Es existiert ein Nutzer mit dieser Email!
+        </div>";
+                }
+                ?>
+            </div>
             <a href="index.php" class="forgot">einloggen</a></form>
     </div>
     <script src="assets/js/jquery.min.js"></script>