var newDate = new Date();

var fullYear = newDate.getFullYear();
var month = newDate.getMonth()+1;
var date = newDate.getDate();

//ǰ
var nowdate = fullYear+'-'+month+'-'+date; 
 
var lostdate = '2010-9-13';
var freem = '0';
 if(freem =='1') {
 openad(adurl);
} 
if(compareDate(nowdate,lostdate)) {
   lostlink(linkurl,lostdate,nowdate);
}