[The Omega]

Code:

<script language="JavaScript"> 
function selectAllOptions(obj) {
	for (var i=0; i<obj.options.length; i++) {
		obj.options[i].selected = true;
		}
	}
 </script>

Code:

onClick=""selectAllOptions(document.memoform.frmMemoRecipients)""

After not recieving a reply, I did a bit more searching and finally picked up a lead from a friend and from Snitz message board.... the above is the solution....