function CalculatePre(type) {
	time = $("#"+type).val();
	iYear = parseInt(time.split("-")[0]);
	iMonth = parseInt(time.split("-")[1]);
	iDay = parseInt(time.split("-")[2]);
	if(!chkDate(time)){
		alert("日期格式输入有误，例如2018-11-11");
		$("#"+type).focus();
		return false;
	}
	if(!iYear || !iMonth || !iDay){
		alert("日期格式输入有误，例如2018-11-11");
		$("#"+type).focus();
		return false;
	}
	if(type == 'LastPer'){
		average = $("#averagePer").val();
		if(!average){
			alert("请选择平均月经周期");
			$("#averagePer").focus();
			return false;
		}
		perior = 280+parseInt(average)-28;
		ov =  DateAdd(iMonth+'/'+iDay+'/'+iYear,parseInt(average)-28);
		ovTime = ov.getFullYear()+'-'+(ov.getMonth()+1) +'-'+ ov.getDate();
	}
	PreDay = DateAdd(iMonth+'/'+iDay+'/'+iYear,perior);
	$("#Result"+type).val(PreDay.getFullYear()+'年'+ (PreDay.getMonth()+1)+'月'+PreDay.getDate()+'日');
	now = new Date();
	now1 = now.getFullYear()+'-'+ (now.getMonth()+1)+'-'+now.getDate();
	betweenday = daysBetween(PreDay.getFullYear()+'-'+(PreDay.getMonth()+1)+'-'+PreDay.getDate(),now1);
	if(betweenday>0) {
		$('#Result'+type+'Day').val(betweenday);
		week = parseInt(daysBetween(now1,ovTime)/7)+1;
		if(week>0 && betweenday<266 ) {
			$("#P"+type+'Day').val(week);
			$("#W"+type).show();
		} else {
			$("#W"+type).hide();
		}
		$("#daybetween"+type).show();
	} else {
		$("#W"+type).hide();
		$("#daybetween"+type).hide();
	}
	$("#"+type+'R').show();
}

function DateAdd(time,Number) {
	return new Date(Date.parse(time)+(86400000*Number));
}

function daysBetween(DateOne,DateTwo) {
	var OneYear = parseInt(DateOne.split("-")[0]);
	var OneMonth = parseInt(DateOne.split("-")[1]);
	var OneDay = parseInt(DateOne.split("-")[2]);
	var TwoYear = parseInt(DateTwo.split("-")[0]);
	var TwoMonth = parseInt(DateTwo.split("-")[1]);
	var TwoDay = parseInt(DateTwo.split("-")[2]);
	var cha = ((Date.parse(OneMonth+'/'+OneDay+'/'+OneYear)-Date.parse(TwoMonth+'/'+TwoDay+'/'+TwoYear))/86400000);
	return cha;
}
function ShowMorePre() {
	$('#morePre').show();
	$('#morePre1').show();
}
function chkDate(sDate) {
	var r = /\d{4}(?:-\d{1,2}){0,2}/
	//正则表达式，判断是否为yyyy-mm-dd,yyyy-mm,yyyy格式
	if(sDate.match(r) == sDate) {
		var arr = sDate.split("-")
		switch(arr.length) {
			//根据不同的yyyy-mm-dd,yyyy-mm格式判断年月日数字是否正确
			case 3:
				arr[1]=arr[1]-1;
				var tmpDate=new Date(arr[0],arr[1],arr[2]);
				if(tmpDate.getMonth()==arr[1] && tmpDate.getFullYear()==arr[0]) return true;
				break;
			case 2:
				if(arr[1]<13) return true;
				break;
			default:
				return false;
		}
	}
	return false;
}

var ydate;
function fGetDaysInMonth(iMonth, iYear) {
	var dPrevDate = new Date(iYear, iMonth, 0);
	return dPrevDate.getDate();
}

function fBuildCal(iYear,iMonth,LastP,ThisP,NextP,LastY,ThisY,NextY) {
	colorBg = new Array();
	colorBg[0] = new Array(7);
	colorBg[1] = new Array(7);
	colorBg[2] = new Array(7);
	colorBg[3] = new Array(7);
	colorBg[4] = new Array(7);
	colorBg[5] = new Array(7);
	colorBg[6] = new Array(7);
	var aMonth = new Array();
	aMonth[0] = new Array(7);
	aMonth[1] = new Array(7);
	aMonth[2] = new Array(7);
	aMonth[3] = new Array(7);
	aMonth[4] = new Array(7);
	aMonth[5] = new Array(7);
	aMonth[6] = new Array(7);
	var dCalDate = new Date(iYear, iMonth-1, 1);
	var LP= new Array();
	var TP= new Array();
	var NP= new Array();
	var LY= new Array();
	var TY= new Array();
	var NY= new Array();
	var iDayOfFirst = dCalDate.getDay();
	var iDaysInMonth = fGetDaysInMonth(iMonth, iYear);
	var iVarDate = 1;
	var i, d, w;
	aMonth[0][0] = "日";
	aMonth[0][1] = "一";
	aMonth[0][2] = "二";
	aMonth[0][3] = "三";
	aMonth[0][4] = "四";
	aMonth[0][5] = "五";
	aMonth[0][6] = "六";
	LP[0] = parseInt(LastP['s'].getFullYear()*10000+(LastP['s'].getMonth()+1)*100+LastP['s'].getDate());
	LP[1] = parseInt(LastP['e'].getFullYear()*10000+(LastP['e'].getMonth()+1)*100+LastP['e'].getDate());
	TP[0] = parseInt(ThisP['s'].getFullYear()*10000+(ThisP['s'].getMonth()+1)*100+ThisP['s'].getDate());
	TP[1] = parseInt(ThisP['e'].getFullYear()*10000+(ThisP['e'].getMonth()+1)*100+ThisP['e'].getDate());
	NP[0] = parseInt(NextP['s'].getFullYear()*10000+(NextP['s'].getMonth()+1)*100+NextP['s'].getDate());
	NP[1] = parseInt(NextP['e'].getFullYear()*10000+(NextP['e'].getMonth()+1)*100+NextP['e'].getDate());
	LY[0] = parseInt(LastY['s'].getFullYear()*10000+(LastY['s'].getMonth()+1)*100+LastY['s'].getDate());
	LY[1] = parseInt(LastY['e'].getFullYear()*10000+(LastY['e'].getMonth()+1)*100+LastY['e'].getDate());
	TY[0] = parseInt(ThisY['s'].getFullYear()*10000+(ThisY['s'].getMonth()+1)*100+ThisY['s'].getDate());
	TY[1] = parseInt(ThisY['e'].getFullYear()*10000+(ThisY['e'].getMonth()+1)*100+ThisY['e'].getDate());
	NY[0] = parseInt(NextY['s'].getFullYear()*10000+(NextY['s'].getMonth()+1)*100+NextY['s'].getDate());
	NY[1] = parseInt(NextY['e'].getFullYear()*10000+(NextY['e'].getMonth()+1)*100+NextY['e'].getDate());
	for (d = iDayOfFirst; d < 7; d++) {
		aMonth[1][d] = iVarDate;
		value = iVarDate+iMonth*100+iYear*10000;
		if((LP[0] <= value && LP[1] >=value) || (TP[0] <= value && TP[1] >=value) || (NP[0] <= value && NP[1] >=value))
			colorBg[1][d] = 'class="date_3" title="这是排卵期，性生活受孕可能性大" bgcolor="#ED1B23"';
		else if((LY[0] <= value && LY[1] >=value) || (TY[0] <= value && TY[1] >=value) || (NY[0] <= value && NY[1] >=value))
			colorBg[1][d] = 'class="date_1" title="这是月经期，注意经期卫生，请避免性生活" bgcolor="#FAA619"';
		else colorBg[1][d] = 'class="date_2" title="这是安全期，性生活一般不受孕" bgcolor="#17A40C"';
			iVarDate++;
	}
	for (w = 2; w < 7; w++) {
		for (d = 0; d < 7; d++) {
			if (iVarDate <= iDaysInMonth) {
				value = iVarDate+iMonth*100+iYear*10000;
				aMonth[w][d] = iVarDate;
				if((LP[0] <= value && LP[1] >=value) || (TP[0] <= value && TP[1] >=value) || (NP[0] <= value && NP[1] >=value))
					colorBg[w][d] = 'class="date_3" title="排卵期，性生活受孕可能性大" bgcolor="#ED1B23"';
				else if((LY[0] <= value && LY[1] >=value) || (TY[0] <= value && TY[1] >=value) || (NY[0] <= value && NY[1] >=value))
					colorBg[w][d] = 'class="date_1" title="月经期，注意经期卫生，请避免性生活" bgcolor="#FAA619"';
				else colorBg[w][d] = 'class="date_2" title="安全期，性生活一般不受孕" bgcolor="#17A40C" ';
					iVarDate++;
			}
		}
	}
	return aMonth;
}

function fDrawCal(iYear, iMonth,myMonth,element) {
	var calendar_str;
	calendar_str = '<table ';
	if(element=='calendar2')calendar_str += 'style="left:340px"';
	calendar_str += 'class="date" border="0" cellpadding="0" cellspacing="0">';
	calendar_str += "<tr>";
	calendar_str += "<th>" + myMonth[0][0] + "</th>";
	calendar_str += "<th>" + myMonth[0][1] + "</th>";
	calendar_str += "<th>" + myMonth[0][2] + "</th>";
	calendar_str += "<th>" + myMonth[0][3] + "</th>";
	calendar_str += "<th>" + myMonth[0][4] + "</th>";
	calendar_str += "<th>" + myMonth[0][5] + "</th>";
	calendar_str += "<th>" + myMonth[0][6] + "</th>";
	calendar_str += "</tr>";
	calendar_str +='<tr><td colspan="7" class="caption">'+ iYear+' 年 '+ iMonth+' 月</td></tr>';
	for (w = 1; w <= 6; w++) {
		calendar_str += w == 6 ? "<tr class=\"date_end\">" : "<tr>";
		for (d = 0; d < 7; d++) {
			calendar_str +='<td ';
			if(colorBg[w][d])
				calendar_str +=colorBg[w][d];
			calendar_str +='>';
			if(myMonth[w][d])
				calendar_str += myMonth[w][d];
			else calendar_str +="&nbsp;";
				calendar_str +="</td>";
		}
		calendar_str +="</tr>";
	}
	calendar_str +="</table>";
	$("#"+element).html(calendar_str);
}

function getP(idate,average) {
	var P= new Array();
	P['s'] = DateAdd((idate.getMonth()+1)+'/'+idate.getDate()+'/'+idate.getFullYear(),average-17);
	P['e'] = DateAdd((idate.getMonth()+1)+'/'+idate.getDate()+'/'+idate.getFullYear(),average-12);
	return P; 
}

function getLastP(idate,average) {
	var PreDay = new Array();
	PreDay =getLastY(idate,average);
	return getP(PreDay['s'],average);
}

function getThisP(idate,average) {
	return getP(idate,average);
}

function getNextP(idate,average) {
	var PreDay = new Array();
	PreDay =getNextY(idate,average);
	return getP(PreDay['s'],average);
}

function getLastY(idate,average) {
	var PreDay = new Array();
	PreDay['s'] = DateAdd((idate.getMonth()+1)+'/'+idate.getDate()+'/'+idate.getFullYear(),0-average);
	PreDay['e'] = DateAdd((idate.getMonth()+1)+'/'+idate.getDate()+'/'+idate.getFullYear(),0-average+ydate);
	return PreDay;
}

function getThisY(idate,average) {
	var PreDay = new Array();
	PreDay['s'] = idate;
	PreDay['e'] = DateAdd((idate.getMonth()+1)+'/'+idate.getDate()+'/'+idate.getFullYear(),ydate);
	return PreDay;
}

function getNextY(idate,average) {
	var PreDay = new Array();
	PreDay['s'] = DateAdd((idate.getMonth()+1)+'/'+idate.getDate()+'/'+idate.getFullYear(),average);
	PreDay['e'] = DateAdd((idate.getMonth()+1)+'/'+idate.getDate()+'/'+idate.getFullYear(),average+ydate);
	return PreDay;
}

function ReculerP(iYear,iMonth,iDay,average) {
	tmp = new Date(iYear,iMonth-1,iDay);
	LastP = getLastP(tmp,average);
	ThisP = getThisP(tmp,average);
	NextP = getNextP(tmp,average);
	LastY = getLastY(tmp,average);
	ThisY = getThisY(tmp,average);
	NextY = getNextY(tmp,average);
	myMonth = fBuildCal(iYear,iMonth,LastP,ThisP,NextP,LastY,ThisY,NextY);
	fDrawCal(iYear, iMonth,myMonth,'calendar1');
	if(iMonth+1 >12){ iMonth = 1; iYear+=1;}
	else iMonth += 1;

	tmp = NextY['s'];
	if((tmp.getMonth+1)<iMonth)tmp = getNextY(tmp,average)['s'];

	LastP = getLastP(tmp,average);
	ThisP = getThisP(tmp,average);
	NextP = getNextP(tmp,average);
	LastY = getLastY(tmp,average);
	ThisY = getThisY(tmp,average);
	NextY = getNextY(tmp,average);
	myMonth = fBuildCal(iYear,iMonth,LastP,ThisP,NextP,LastY,ThisY,NextY);
	fDrawCal(iYear, iMonth,myMonth,'calendar2');
}

function DateAdd(time,Number) { 
	return new Date(Date.parse(time) + (86400000 * Number));  
} 

function chkDate(sDate) {
	var r=/\d{4}(?:-\d{1,2}){0,2}/
	//正则表达式，判断是否为yyyy-mm-dd,yyyy-mm,yyyy格式
	if(sDate.match(r)==sDate){
		var arr=sDate.split("-")
		switch(arr.length){
			//根据不同的yyyy-mm-dd,yyyy-mm格式判断年月日数字是否正确
			case 3:
				arr[1] = arr[1]-1;
				var tmpDate=new Date(arr[0],arr[1],arr[2]);
				if(tmpDate.getMonth()==arr[1] && tmpDate.getFullYear()==arr[0]) return true;
				break;
			case 2:
				if(arr[1]<13) return true;
				break;
			default:
				return false;
		}
	}
	return false;
}

function DrawCalendar() {
	$('#calendar1').html();
	$('#calendar2').html();
	year = $("#wyear").val();
	month = $("#wmonth").val();
	day = $("#wday").val();
	time = year+'-'+month+'-'+day;
	if(!chkDate(time)){
		alert("日期格式输入有误，请返回检查");
		$('#wyear').focus();
		return false;
	}

	iYear = parseInt(time.split("-")[0]);
	//ydate = parseInt(document.getElementById("ydate").value)-1;
	ydate = 4;
	iMonth = parseInt(time.split("-")[1]);
	iDay = parseInt(time.split("-")[2]);
	if(!iYear || !iMonth || !iDay) {
		alert("日期格式输入有误，请返回检查");
		$('#wyear').focus();
		return false;
	}

	average = $("#wperiod").val();
	ReculerP(iYear,iMonth,iDay,average);
	document.getElementById('wresult').style.display = '';
	
	var c1 = document.getElementById('calendar1').innerHTML;
	var c2 = document.getElementById('calendar2').innerHTML;
	var c = '<table cellspacing="0" cellpadding="0" border="0"><tr><td valign="top">测试结果：</td><td>'+c1+'</td><td width="10">&nbsp;</td><td>'+c2+'</td></tr></table>';
	var i = '';
	return {c:c, i:i};
}

function wInit() {
	document.getElementById('wresult').style.display = 'none';
	var d = new Date();
	d.setMonth(d.getMonth() - 1);
	document.getElementById('wyear').value = d.getFullYear();
	document.getElementById('wmonth').value = d.getMonth() + 1;
	document.getElementById('wday').value = d.getDate();
	document.getElementById('wyear').onclick = function(event) {WdatePicker({dateFmt:'yyyy',minDate:'1901', maxDate:'2050'})};
	document.getElementById('wmonth').onclick = function(event) {WdatePicker({dateFmt:'M'})};
	document.getElementById('wday').onclick = function(event) {WdatePicker({dateFmt:'d'})};
	var p = document.getElementById('wperiod');
	for (var i = 20; i <= 45; i++) {
		p.options.add(new Option(i + '天', i));
	}
	p.options[8].selected = true;
}

function handleWork(obj) {
	var v = obj.value;
	obj.disabled = true;

	
	// global callback
	handleBegin();
	
	var res = DrawCalendar();
	
	if (typeof res == 'object' && res != null) {
		// global callback
		handleFinish(res.c, res.i);
	}
	
	obj.value = v;
	obj.disabled = false;
}