Canceling implies deleting saved drafts

include/client/open.inc.php

@@ -94,7 +94,13 @@ if ($info['topicId'] && ($topic=Topic::lookup($info['topicId']))) {
 <hr/>
   <p style="text-align:center;">
         <input type="submit" value="Create Ticket">
-        <input type="reset" value="Reset">
-        <input type="button" value="Cancel" onClick='window.location.href="index.php"'>
+        <input type="reset" name="reset" value="Reset">
+        <input type="button" name="cancel" value="Cancel" onclick="javascript:
+            $('.richtext').each(function() {
+                var redactor = $(this).data('redactor');
+                if (redactor && redactor.opts.draftDelete)
+                    redactor.deleteDraft();
+            });
+            window.location.href='index.php';">
   </p>
 </form>

include/staff/ticket-open.inc.php

@@ -373,10 +373,17 @@ if ($info['topicId'] && ($topic=Topic::lookup($info['topicId']))) {
         </tr>
     </tbody>
 </table>
-<p style="padding-left:250px;">
+<p style="text-align:center;">
     <input type="submit" name="submit" value="Open">
     <input type="reset"  name="reset"  value="Reset">
-    <input type="button" name="cancel" value="Cancel" onclick='window.location.href="tickets.php"'>
+    <input type="button" name="cancel" value="Cancel" onclick="javascript:
+        $('.richtext').each(function() {
+            var redactor = $(this).data('redactor');
+            if (redactor && redactor.opts.draftDelete)
+                redactor.deleteDraft();
+        });
+        window.location.href='tickets.php';
+    ">
 </p>
 </form>
 <script type="text/javascript">