	/* AddToBookmarks - add url to bookmarks/favorites list
	 @param    string        url     url of page
	 @param    string        title   title page
	 */
	 function addtoBookmarks ( url, title )
	 {
	 	 var urlRegxp = /^(http:\/\/www.|https:\/\/www.|ftp:\/\/www.|www.){1}([\w]+)(.[\w]+){1,2}$/;
		 if ( url == '' || ! urlRegxp.test( url ) || title == '' )
		 {
		 	 url = "http://www.heathrow-car-rentals.co.uk";
			 title = "Heathrow Car Rentals";
		}

		if ( ( navigator.appName == "Microsoft Internet Explorer" ) && ( parseInt( navigator.appVersion ) >= 4 ) )
		{ window.external.AddFavorite( url, title ); }
		else if ( navigator.appName == "Netscape" )
		{ window.sidebar.addPanel( title, url, "" ); }
		else
		{ alert("Press CTRL-D (Netscape) or CTRL-T (Opera) to bookmark"); }
	} // end of function: addtoBookmarks
		
			
	function popup(url)
	{
	    window.open(url,'map','width=420,height=420,resizable=yes');
	    return false;
	}
		
