var isMac = navigator.userAgent.indexOf("Mac") != -1;
var ie = (navigator.appName == "Microsoft Internet Explorer");

	function open_window(url,width,height)
	{
		mywin = window.open(url,"map",'toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=0,left=80,width=' +width+ ',height=' +height+ ',top=50')
	}