计算2个日期之间的时间差

function doMin(object) {
		var startDate = $(object).attr('startdate');
		var minDate = $(object).attr('minDate');
		if (minDate != '' && minDate != undefined) {
			return $(object).attr('minDate');
		}
		if (startDate != '' && startDate != undefined) {
			aDate = startDate.split("-");
			var past = new Date(aDate[0], aDate[1] - 1, aDate[2]).getTime();
			var nowtime = new Date().getTime();
			if (past >= nowtime) {
				return parseInt((past - nowtime) / 86400000) + 1;
			}
			return parseInt((past - nowtime) / 86400000);// 不做判断
	}
}
function doMax(object) {
	var maxDate = $(object).attr('maxDate');
	var endDate = $(object).attr('endDate');
	if (maxDate != '' && maxDate != undefined) {
		return $(object).attr('endDate');
	}
	if (endDate != '' && endDate != undefined) {
		aDate = endDate.split("-");
		var past = new Date(aDate[0], aDate[1] - 1, aDate[2]).getTime();
		var nowtime = new Date().getTime();
		if (nowtime >= past) {
			return (parseInt((past - nowtime) / 86400000));
		}
		return parseInt((past - nowtime) / 86400000) + 1;
	}
}