<Script Language="JavaScript">
var timedate= new Date("October 1,2010");
var times= "2010年国庆节";
var now = new Date();
var date = timedate.getTime() - now.getTime();
var time = Math.floor(date / (1000 * 60 * 60 * 24));
if (time >= 0)
document.write( "现在离"+times+"还有: "+time +"天")
</Script>