function get_cookie ( cookie_name )
			{
 			 var results = document.cookie.match ( '(^|;) ?' + cookie_name + '=([^;]*)(;|$)' );

			  if ( results )
			    return ( unescape ( results[2] ) );
			  else
			    return null;
			}
			function toggleSelect(client) {
				var clientPanel = document.getElementById('client_'+client);
				if (clientPanel.className == "panel_1") {
					clientPanel.className = "panel_1_sel";
					var x = get_cookie('sel');
					if (x == null) {
						document.cookie = "sel="+client;
					} else {
						var val = x + '&' + client;
						document.cookie = "sel="+val;
					}
				} else {
					clientPanel.className = "panel_1";
					var x = get_cookie('sel');
					if (x != "") {
						var sels=x.split('&');
						var val="";
						var c=1
						for(i=0;i<sels.length;i++) {
							if (sels[i] != client) {
								if (c > 1) {
									val += '&';
								}
								val += sels[i];	
								c++;
							}
						}
						document.cookie = "sel="+val;
					}
				}
			}