Argh! Fixed stupid mistake(s) I made.

web/templates/msgs/msgs.inc

     <p class="navigation"><a class="navigation" href="http://^^JS:system.inet_addr^^/">Home</a> :  <a class="navigation" href="/members/">Members</a> : <a class="navigation" href="index.ssjs">Groups</a> : <a class="navigation" href="subs.ssjs?msg_grp=^^group:number^^">%%group:description%%</a> : %%sub:description%%
     <a class="navigation" href="subinfo.ssjs?msg_grp=^^group:number^^&amp;msg_sub=^^sub:code^^">[?]</a> -&#062; <a class="navigation" href="post.ssjs?msg_grp=^^group:number^^&amp;msg_sub=^^sub:code^^&amp;post=new">Post New Message</a></p>
-<form action="management.ssjs" method="get">
+<form action="management.ssjs" method="post">
+<input type="hidden" name="msg_grp" value="^^group:number^^" />
+<input type="hidden" name="msg_sub" value="^^sub:code^^" />
 <table class="msglist" cellpadding="5" cellspacing="2" border="0" width="100%">
 <tr class="msglist">
-    <th class="msglist">X</th>
+     @@JS:template.can_delete?'<th class="msglist">X</th>':''@@
     <th class="msglist">A</th>
     <th class="msglist">Subject</th>
     <th class="msglist">From</th>
@@ -13,9 +15,7 @@
     <!-- %%JS:template.color=0%% -->
     <<REPEAT messages>>
     <tr class="msglist" bgcolor=@@JS:((template.color++)%2==0)?'"#008699"':'"#007688"';@@>
-	   <td class="msglist">
-		  <input name="offset" value="%%messages:offset%%" type="checkbox" />
-	   </td>
+    @@JS:template.can_delete?'<td class="msglist"><input name="number" value="%%messages:number%%" type="checkbox"></td>':''@@
 	   <td class="msglist">
     		@@JS:if(@@messages:attachments@@>0) '<img alt="Attachment" src="/graphics/attach.gif" />'; else '&nbsp;';@@
 	   </td>
@@ -35,7 +35,7 @@
     <<END REPEAT messages>>
     </table>
     <br />
-    <div align="center"><input class="msg" type="submit" name="Delete" value="Delete Message(s)" /></div>
+    <div align="center"><input class="msg" type="submit" name="Action" value="Delete Message(s)" /></div>
 </form>
 <div align="center">@@pagelinks@@</div>
 <br />