function countdown(title,Intime){
var online= new Date(Intime);
var now = new Date();
var leave = online.getTime() - now.getTime();
var day = Math.floor(leave / (1000 * 60 * 60 * 24));
if (day > 0){ 
	 	if(document.all){
			tools.innerHTML="今天离"+ title+"还有"+day +"天！";
		}
}else{
	 if (day == 0) {
	 	if(document.all){
			tools.innerHTML="明天就是"+title+"啦!";
		}
	 	
	}else{
		 if (day == -1) {tools.innerHTML="今天就是"+title+"呀！";
		 }else{
			 if(document.all){
				tools.innerHTML="唉呀！"+title+"已经过了！";
			 }
		}
	}
}
}