function DiffDate(date1,date2){

	//var difference = Date.UTC(y2k(date1.getYear()),date1.getMonth(),date1.getDate(),0,0,0) - Date.UTC(y2k(date2.getYear()),date2.getMonth(),date2.getDate(),0,0,0);
	var difference = date1 - date2;
	return difference/1000/60/60/24;
}

function y2k(number){ 
	return (number < 1000) ? number + 1900 : number; 
}