<!--
function YYYYMMDDstart(form,year,month,day){
	MonHead = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31];
	//先给年下拉框赋内容
	var y = new Date().getFullYear();
	//for (var i = (y-3); i < (y+5); i++) //以今年为准，前30年，后30年
	for (var i=1998;i<=2018;i++)
	year.options.add(new Option(i,i));
	//赋月份的下拉框
	for (var i=1;i<13;i++)
	month.options.add(new Option(i,i));
	year.value = y;
	month.value = new Date().getMonth() + 1;
	var n = MonHead[new Date().getMonth()];
	if (new Date().getMonth() ==1 && IsPinYear(year.options[year.selectedIndex].value)) n++;
	writeDay(n,day); //赋日期下拉框Author:meizz
	day.value = new Date().getDate();
}
function YYYYDD(str,month,day){ //年发生变化时日期发生变化(主要是判断闰平年)
	var MMvalue = month.options[month.selectedIndex].value;
	if (MMvalue == "" ){ var e = day; optionsClear(e); return;}
	var n = MonHead[MMvalue - 1];
	if (MMvalue ==2 && IsPinYear(str)) n++;
	writeDay(n,day)
}
function MMDD(str,year,day){ //月发生变化时日期联动
	var YYYYvalue = year.options[year.selectedIndex].value;
	if (YYYYvalue == "" ){ var e = day; optionsClear(e); return;}
	var n = MonHead[str - 1];
	if (str ==2 && IsPinYear(YYYYvalue)) n++;
	writeDay(n,day)
}
function writeDay(n,day){ //据条件写日期的下拉框
	var e = day; optionsClear(e);
	for (var i=1; i<(n+1); i++)
	e.options.add(new Option(i,i));
}
function IsPinYear(year){//判断是否闰平年
	return(0 == year%4 && (year%100 !=0 || year%400 == 0));
}
function optionsClear(e){
	for (var i=e.options.length; i>0; i--)
	e.remove(i);
}
function compDate(SY,SM,SD,EY,EM,ED){
}
//-->