var s1 = "2010-8-25";
var today = new Date();
var mm = today.getMonth()+1;
var dd = today.getDate();
var yy = today.getFullYear();
var s2 = yy+'-'+mm+'-'+dd;
s1 = s1.replace(/-/g, "/");
s2 = s2.replace(/-/g, "/");
s1 = new Date(s1);
s2 = new Date(s2);
var days= s1.getTime() - s2.getTime();
var time = parseInt(days / (1000 * 60 * 60 * 24));
if (time >= 0){
document.write('
');}
else {
document.write('');
}