function checkUserName()
			{
			window.open("/signup/username.dml?username=" + getNode( "enter-username" ).value , null, "width=150,height=150,top=200,left=200,scrollbars=no,toolbars=no,status=no,navigation=no,location=no,resizable=no,directories=no,menubar=no");
			return true;
			}
			function getNode( nodeId ) {
			if( document.getElementById )
				return document.getElementById( nodeId );
			else if( document.all && document.all( nodeId ) )
				return document.all( nodeId );
			else if( document.layers && document.layers[ nodeId ] )
				return document.layers[ nodeId ];
			else
				return false;
			}