function setTDate(obj){
			var currentDate=new Date();
            var year = currentDate.getFullYear();
            var month = currentDate.getMonth() + 1;
            var firstdate = year + '/' + month + '/01';//当月第一天
            var oldTime = (new Date(firstdate+" 00:00:00")).getTime()+1000*60*60*24;
            console.log("最迟时间"+oldTime);
            console.log("现在时间"+currentDate.getTime());
            if(currentDate.getTime()<=oldTime){
				edit('修改月结表','${ctx}/bill/billAccountsMonthPayable/form','720px', '650px');
			}else{
				alert("日期超过5天，不允许进行修改");
			}

		}