delete entries in statistic

app/public/statistik.php

@@ -48,6 +48,7 @@
     </div>
     <?php
         if ($session != "total-score") {
+            //add edit button
             echo "<div>
                 <form action=\"edit_statistics.php\" method=\"get\">
                     <input type=\"button\" id=\"edit_statistic\" value=\"Eintrag bearbeiten\" class=\"edit\" disabled=true/>
@@ -55,6 +56,14 @@
                     <input type=\"hidden\" id=\"station_id\" name=\"s_id\" value=\"". $session . "\"/>
                 </form>
             </div>";
+            //add delete button
+            echo "<div>
+                <form action=\"delete_statistics.php\" method=\"post\">
+                    <input type=\"button\" id=\"delete_statistic\" value=\"Löschen\" class=\"edit\" disabled=\"true\"/>
+                    <input type=\"hidden\" id=\"m_id_delete\" name=\"m_id\"/>
+                    <input type=\"hidden\" id=\"s_id_delete\" name=\"s_id\" value=\"" . $session . "\"/>
+                </form>
+            </div>";
     } ?>
     <div class="table-div">
         <table id="table">