//下面的代码段如果你页面里有，可以去掉
var ie =navigator.appName=="Microsoft Internet Explorer"?true:false;
function $(objID){
return document.getElementById(objID);
}

var controlid = null;
var currdate = null;
var startdate = null;
var enddate  = null;
var yy = null;
var mm = null;
var hh = null;
var ii = null;
var currday = null;
var addtime = false;
var today=new Date();
var lastcheckedyear = false;
var lastcheckedmonth = false;
function _cancelBubble(event) {
e = event ? event : window.event ;
if(ie) {
 e.cancelBubble = true;
} else {
 e.stopPropagation();
}
}
function getposition(obj) {
 var r = new Array();
 r['x'] = obj.offsetLeft;
 r['y'] = obj.offsetTop;
 while(obj = obj.offsetParent) {
 r['x'] += obj.offsetLeft;
 r['y'] += obj.offsetTop;
 }
 return r;
}
function loadcalendar() {
s = '';
s += '<div id="calendar" style="display:none; position:absolute; z-index:9;" onclick="_cancelBubble(event)">';
if (ie)
{
s += '<iframe width="180" height="160" src="about:blank" style="position: absolute;z-index:-1;"></iframe>';
}
s += '<div style="width: 180px;"><table class="tableborder" cellspacing="0" cellpadding="0" width="100%" style="text-align: center">';
///
s += '<tr align="center" class="header"><td class="header"><a href="#" onclick="refreshcalendar(yy, mm-1);return false" title="Previous Month"><<</a></td><td colspan="5" style="text-align: center" class="header"><a href="#" onclick="showdiv(\'year\');_cancelBubble(event);return false" title="Choose Year" id="year"></a>-&nbsp;&nbsp;&nbsp;&nbsp;<a id="month" title="Choose Month" href="#" onclick="showdiv(\'month\');_cancelBubble(event);return false"></a></td><td class="header"><A href="#" onclick="refreshcalendar(yy, mm+1);return false" title="Next Month">>></A></td></tr>';
s += '<tr class="category"><td>Sun</td><td>Mon</td><td>Tue</td><td>Wed</td><td>Thu</td><td>Fri</td><td>Sat</td></tr>';
for(var i = 0; i < 6; i++) {
s += '<tr class="altbg2">';
for(var j = 1; j <= 7; j++)
s += "<td id=d" + (i * 7 + j) + " height=\"19\">0</td>";
s += "</tr>";
}
s += '<tr id="hourminute"><td colspan="7" align="center"><input type="text" size="1" value="" id="hour" onKeyUp=\'this.value=this.value > 23 ? 23 : zerofill(this.value);controlid.value=controlid.value.replace(/\\d+(\:\\d+)/ig, this.value+"$1")\'> 点 <input type="text" size="1" value="" id="minute" onKeyUp=\'this.value=this.value > 59 ? 59 : zerofill(this.value);controlid.value=controlid.value.replace(/(\\d+\:)\\d+/ig, "$1"+this.value)\'> 分</td></tr>';
s += '</table></div></div>';///
s += '<div id="calendar_year" onclick="_cancelBubble(event)"><div class="col">';
for(var k = today.getYear(); k <= today.getYear()+1; k++) {
s += k != today.getYear() && k % 10 == 0 ? '</div><div class="col">' : '';
s += '<a href="#" onclick="refreshcalendar(' + k + ', mm);$(\'calendar_year\').style.display=\'none\';return false"><span' + (today.getFullYear() == k ? ' class="today"' : '') + ' id="calendar_year_' + k + '">' + k + '</span></a><br />';
}
s += '</div></div>';
s += '<div id="calendar_month" onclick="_cancelBubble(event)">';
for(var k = 1; k <= 12; k++) {
s += '<a href="#" onclick="refreshcalendar(yy, ' + (k - 1) + ');$(\'calendar_month\').style.display=\'none\';return false"><span' + (today.getMonth()+1 == k ? ' class="today"' : '') + ' id="calendar_month_' + k + '">' + k + ( k < 10 ? ' ' : '') + ' 月</span></a><br />';
}
s += '</div>';
var nElement = document.createElement("div");
nElement.innerHTML=s;
document.getElementsByTagName("body")[0].appendChild(nElement);
//document.write(s);
document.onclick = function(event) {
$('calendar').style.display = 'none';
$('calendar_year').style.display = 'none';
$('calendar_month').style.display = 'none';
}
$('calendar').onclick = function(event) {
_cancelBubble(event);
$('calendar_year').style.display = 'none';
$('calendar_month').style.display = 'none';
}
}
function parsedate(s) {
/(\d+)\-(\d+)\-(\d+)\s*(\d*):?(\d*)/.exec(s);
var m1 = (RegExp.$1 && RegExp.$1 > 1899 && RegExp.$1 < 2101) ? parseFloat(RegExp.$1) : today.getFullYear();
var m2 = (RegExp.$2 && (RegExp.$2 > 0 && RegExp.$2 < 13)) ? parseFloat(RegExp.$2) : today.getMonth() + 1;
var m3 = (RegExp.$3 && (RegExp.$3 > 0 && RegExp.$3 < 32)) ? parseFloat(RegExp.$3) : today.getDate();
var m4 = (RegExp.$4 && (RegExp.$4 > -1 && RegExp.$4 < 24)) ? parseFloat(RegExp.$4) : 0;
var m5 = (RegExp.$5 && (RegExp.$5 > -1 && RegExp.$5 < 60)) ? parseFloat(RegExp.$5) : 0;
/(\d+)\-(\d+)\-(\d+)\s*(\d*):?(\d*)/.exec("0000-00-00 00\:00");
return new Date(m1, m2 - 1, m3, m4, m5);
}
function settime(d) {
$('calendar').style.display = 'none';
//controlid.value = yy + "-" + zerofill(mm + 1) + "-" + zerofill(d) + (addtime ? ' ' + zerofill($('hour').value) + ':' + zerofill($('minute').value) : '');
controlid.value = yy + "-" + zerofill(mm + 1) + "-" + zerofill(d);
if(controlid.name=="t1")
{
//	showcalendar(event.)
	var tag=controlid.parentElement;
	while(tag.tagName.toLowerCase()!="form")
	{
		tag=tag.parentElement; 
	}
	//showcalendar(event,tag.t2,new Date(),new Date(yy,mm,d));
}
}
function showcalendar( event, controlid1, addtime1, startdate1, enddate1) {	
//today=new Date(date_now)
controlid = controlid1;
addtime = addtime1;
if(typeof(startdate1)=="undefined")
	startdate=today;
else
	startdate=startdate1;
if(typeof(enddate1)=="undefined")
	enddate=new Date(today.getFullYear()+1,today.getMonth(),today.getDate());
else
	enddate=enddate1;
//startdate = startdate1 ? parsedate(startdate1) : false;
//enddate = enddate1 ? parsedate(enddate1) : false;
if(typeof(startdate)==false)
	currday=parsedate(controlid.value);
else
	currday=startdate;
hh = currday.getHours();
ii = currday.getMinutes();
var p = getposition(controlid);
$('calendar').style.display = 'block';
$('calendar').style.left = p['x']+'px';
$('calendar').style.top = (p['y'] + 20)+'px';
_cancelBubble(event);
refreshcalendar(currday.getFullYear(), currday.getMonth());
if(lastcheckedyear != false) {
$('calendar_year_' + lastcheckedyear).className = 'default';
$('calendar_year_' + today.getFullYear()).className = 'today';
}
if(lastcheckedmonth != false) {
$('calendar_month_' + lastcheckedmonth).className = 'default';
$('calendar_month_' + (today.getMonth() + 1)).className = 'today';
}
$('calendar_year_' + currday.getFullYear()).className = 'checked';
$('calendar_month_' + (currday.getMonth() + 1)).className = 'checked';
//$('hourminute').style.display = addtime ? '' : 'none';
$('hourminute').style.display = "none";
lastcheckedyear = currday.getFullYear();
lastcheckedmonth = currday.getMonth() + 1;
}
function refreshcalendar(y, m) {
var x = new Date(y, m, 1);
var mv = x.getDay();
var d = x.getDate();
var dd = null;
yy = x.getFullYear();
mm = x.getMonth();
$("year").innerHTML = yy;
$("month").innerHTML = mm + 1 > 9  ? (mm + 1) : '0' + (mm + 1);
for(var i = 1; i <= mv; i++) {
 dd = $("d" + i);
 dd.innerHTML = " ";
 dd.className = "";
}
var ssss=0;
while(x.getMonth() == mm) {
 dd = $("d" + (d + mv));
 if(ssss>0)
 {
 	ssss++;
//	alert(dd);
 }
 if(x.getTime() > enddate.getTime() || x.getTime() < startdate.getTime()) {
 dd.innerHTML = d;
 dd.className = 'expire';
} else {
 dd.innerHTML = '<a href="#" onclick="settime(' + d + ');return false">' + d + '</a>';
 dd.className = 'default';
}
if(x.getFullYear() == today.getFullYear() && x.getMonth() == today.getMonth() && x.getDate() == today.getDate()) {
 dd.innerHTML = '<a href="#" onclick="return false;" title="Today" style="cursor:text; text-decoration:none;">' + d + '</a>';
 dd.className = 'today';
}
if(x.getFullYear() == currday.getFullYear() && x.getMonth() == currday.getMonth() && x.getDate() == currday.getDate()) {
dd.className = 'checked';
}
x.setDate(++d);
}
while(d + mv <= 42) {
 dd = $("d" + (d + mv));
 dd.innerHTML = " ";
 d++;
}
if(addtime) {
$('hour').value = zerofill(hh);
$('minute').value = zerofill(ii);
}
}
function showdiv(id) {
var p = getposition($(id));
$('calendar_' + id).style.left = p['x']+'px';
$('calendar_' + id).style.top = (p['y'] + 16)+'px';
$('calendar_' + id).style.display = 'block';
}
function zerofill(s) {
var s = parseFloat(s.toString().replace(/(^[\s0]+)|(\s+$)/g, ''));
s = isNaN(s) ? 0 : s;
return (s < 10 ? '0' : '') + s.toString();
}
window.onload=function(){
loadcalendar();
}