//日期控件
//使用说明：style="cursor:hand;" onclick="showcalendar(event, this);" onfocus="showcalendar(event, this);if(this.value=='0000-00-00')this.value=''"
//2008-8-13 heike
var ie =navigator.appName=="Microsoft Internet Explorer"?true:false;
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 getObj(objID)
{
    return document.getElementById(objID);
}
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:9999999;font-size:12px;font-family:Verdana,Arial,"宋体";" onclick="_cancelBubble(event)">';
 if (ie)
 {
  s += '<iframe width="200" height="160" src="about:blank" style="position: absolute;z-index:-1;"></iframe>';
 }
 s += '<div style="width: 200px;"><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="上一月"><<</a></td><td colspan="5" style="text-align: center" class="header"><a href="#" onclick="showdiv(\'year\');_cancelBubble(event);return false" title="点击选择年份" id="year"></a>  -  <a id="month" title="点击选择月份" href="#" onclick="showdiv(\'month\');_cancelBubble(event);return false"></a></td><td class="header"><A href="#" onclick="refreshcalendar(yy, mm+1);return false" title="下一月">>></A></td></tr>';
 s += '<tr class="category"><td>日</td><td>一</td><td>二</td><td>三</td><td>四</td><td>五</td><td>六</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+"getObj1")\'> 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, "getObj1"+this.value)\'> 分</td></tr>';
 s += '</table></div></div>';
 s += '<div id="calendar_year" onclick="_cancelBubble(event)" style="z-index:99999999;"><div class="col">';
 for(var k = 1930; k <= 2019; k++) {
  s += k != 1930  &&  k % 10 == 0 ? '</div><div class="col">' : '';
  s += '<a href="#" onclick="refreshcalendar(' + k + ', mm);getObj(\'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)"  style="z-index:99999999;">';
 for(var k = 1; k <= 12; k++) {
  s += '<a href="#" onclick="refreshcalendar(yy, ' + (k - 1) + ');getObj(\'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) {
  getObj('calendar').style.display = 'none';
  getObj('calendar_year').style.display = 'none';
  getObj('calendar_month').style.display = 'none';
 }
 getObj('calendar').onclick = function(event) {
  _cancelBubble(event);
  getObj('calendar_year').style.display = 'none';
  getObj('calendar_month').style.display = 'none';
 }
}
function parsedate(s) {
 /(\d+)\-(\d+)\-(\d+)\s*(\d*):?(\d*)/.exec(s);
 var m1 = (RegExp.getObj1  &&  RegExp.getObj1 > 1899  &&  RegExp.getObj1 < 2101) ? parseFloat(RegExp.getObj1) : today.getFullYear();
 var m2 = (RegExp.getObj2  &&  (RegExp.getObj2 > 0  &&  RegExp.getObj2 < 13)) ? parseFloat(RegExp.getObj2) : today.getMonth() + 1;
 var m3 = (RegExp.getObj3  &&  (RegExp.getObj3 > 0  &&  RegExp.getObj3 < 32)) ? parseFloat(RegExp.getObj3) : today.getDate();
 var m4 = (RegExp.getObj4  &&  (RegExp.getObj4 > -1  &&  RegExp.getObj4 < 24)) ? parseFloat(RegExp.getObj4) : 0;
 var m5 = (RegExp.getObj5  &&  (RegExp.getObj5 > -1  &&  RegExp.getObj5 < 60)) ? parseFloat(RegExp.getObj5) : 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) {
 getObj('calendar').style.display = 'none';
 controlid.value = yy + "-" + zerofill(mm + 1) + "-" + zerofill(d) + (addtime ? ' ' + zerofill(getObj('hour').value) + ':' + zerofill(getObj('minute').value) : '');
}
function showcalendar(event, controlid1, addtime1, startdate1, enddate1) {
 controlid = controlid1;
 addtime = addtime1;
 startdate = startdate1 ? parsedate(startdate1) : false;
 enddate = enddate1 ? parsedate(enddate1) : false;
 currday = controlid.value ? parsedate(controlid.value) : today;
 hh = currday.getHours();
 ii = currday.getMinutes();
 var p = getposition(controlid);
 getObj('calendar').style.display = 'block';
 getObj('calendar').style.left = p['x']+'px';
 getObj('calendar').style.top = (p['y'] + 20)+'px';
 _cancelBubble(event);
 refreshcalendar(currday.getFullYear(), currday.getMonth());
 if(lastcheckedyear != false) {
  getObj('calendar_year_' + lastcheckedyear).className = 'default';
  getObj('calendar_year_' + today.getFullYear()).className = 'today';
 }
 if(lastcheckedmonth != false) {
  getObj('calendar_month_' + lastcheckedmonth).className = 'default';
  getObj('calendar_month_' + (today.getMonth() + 1)).className = 'today';
 }
 getObj('calendar_year_' + currday.getFullYear()).className = 'checked';
 getObj('calendar_month_' + (currday.getMonth() + 1)).className = 'checked';
 getObj('hourminute').style.display = addtime ? '' : '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();
 getObj("year").innerHTML = yy;
 getObj("month").innerHTML = mm + 1 > 9  ? (mm + 1) : '0' + (mm + 1);
 for(var i = 1; i <= mv; i++) {
  dd = getObj("d" + i);
  dd.innerHTML = " ";
  dd.className = "";
 }
 while(x.getMonth() == mm) {
  dd = getObj("d" + (d + mv));
  dd.innerHTML = '<a href="###" onclick="settime(' + d + ');return false">' + d + '</a>';
  if(x.getTime() < today.getTime() || (enddate  &&  x.getTime() > enddate.getTime()) || (startdate  &&  x.getTime() < startdate.getTime())) {
   dd.className = 'expire';
  } else {
   dd.className = 'default';
  }
  if(x.getFullYear() == today.getFullYear()  &&  x.getMonth() == today.getMonth()  &&  x.getDate() == today.getDate()) {
   dd.className = 'today';
   dd.firstChild.title = '今天';
  }
  if(x.getFullYear() == currday.getFullYear()  &&  x.getMonth() == currday.getMonth()  &&  x.getDate() == currday.getDate()) {
   dd.className = 'checked';
  }
  x.setDate(++d);
 }
 while(d + mv <= 42) {
  dd = getObj("d" + (d + mv));
  dd.innerHTML = " ";
  d++;
 }
 if(addtime) {
  getObj('hour').value = zerofill(hh);
  getObj('minute').value = zerofill(ii);
 }
}
function showdiv(id) {
 var p = getposition(getObj(id));
 getObj('calendar_' + id).style.left = p['x']+'px';
 getObj('calendar_' + id).style.top = (p['y'] + 16)+'px';
 getObj('calendar_' + id).style.display = 'block';
}
function zerofill(s) {
 var s = parseFloat(s.toString().replace(/(^[\s0]+)|(\s+getObj)/g, ''));
 s = isNaN(s) ? 0 : s;
 return (s < 10 ? '0' : '') + s.toString();
}
loadcalendar();