Index: plugins/cerberusweb.core/templates/tickets/create/index.tpl.php
===================================================================
--- plugins/cerberusweb.core/templates/tickets/create/index.tpl.php	(revision 804)
+++ plugins/cerberusweb.core/templates/tickets/create/index.tpl.php	(working copy)
@@ -35,6 +35,7 @@
 							<input type="text" name="to" id="emailinput" value="{$to}" style="_position:absolute;border:1px solid rgb(180,180,180);padding:2px;" autocomplete="off">
 							<div id="emailcontainer"></div>
 						</div>
+						<span id="requester_span"></span>
 					</td>
 				</tr>
 				<tr>
@@ -155,5 +156,22 @@
 YAHOO.util.Event.addListener(window,'load',function(e) {
 	ajax.cbEmailPeek(null);
 });
+
+var composeElms = document.getElementsByName("compose");
+var composeForm = composeElms[0];
+
+YAHOO.util.Event.addListener(composeForm,'submit',function(e) {
+	requesterInput = document.getElementById("emailinput");
+	trimValue = requesterInput.value.replace(/^\s+|\s+$/g,"");
+	if(trimValue.length == 0) {
+		validationDiv = document.getElementById("requester_span");
+		validationDiv.innerHTML = "<span class=\"LV_validation_message\" style=\"color: #CC0000;\">* You must enter a requester email address</span>";
+		
+		requesterInput.focus();
+		requesterInput.select();
+		YAHOO.util.Event.stopEvent(e);
+	}
+});
+
 {/literal}
-</script>
\ No newline at end of file
+</script>