/* 
 *  Copyright(c) 2008-2009, Y.T.Ho & Information Strategies
 *  
 *  All rights reserved. 
 *  Any unauthorized use of this script is strictly prohibited.
 *
 *  http://infst.com
 */
if(!window.I){I=infst()}function datepick(a){if(typeof a=="string"){a=document.getElementById(a)}this.field=a;this.container=null;this.pos={};this.calendarDate=null}datepick.prototype={show:function(n,c){var o=this;this.calendarDate=new Date(n,c-1,1);if(isNaN(this.calendarDate.valueOf())){this.calendarDate=new Date();this.calendarDate.setDate(1)}if(!this.container){this.container=document.createElement("div");this.container.className="datepick";this.container.style.left=(this.pos.left+1)+"px";this.container.style.top=this.pos.top+"px";document.body.appendChild(this.container)}else{this.container.innerHTML=""}var h=document.createElement("tbody");var g=new Date();var b=new Date(this.calendarDate);b.setDate(1-b.getDay());while(1){var e=document.createElement("td");if(b.getDay()%7==0){if((b.getMonth()!=this.calendarDate.getMonth())&&(h.childNodes.length>1)){break}h.appendChild(document.createElement("tr"));e.className="sunday"}if(b.valueOf()==g.valueOf()){e.className+=" today"}if(b.getMonth()==this.calendarDate.getMonth()){(function(){var t=b.getFullYear();var i=b.getMonth()+1;var s=b.getDate();e.onclick=function(){o.select(t,i,s);o.close()}})();e.className+=" currMonth";e.onmouseover=function(){this.style.backgroundColor="#efefef"};e.onmouseout=function(){this.style.backgroundColor=""};e.appendChild(document.createTextNode(b.getDate()))}h.lastChild.appendChild(e);b.setDate(b.getDate()+1)}var l=document.createElement("thead");l.appendChild(document.createElement("tr"));var q=document.createElement("td");q.colSpan=7;q.className="topBlk";l.lastChild.appendChild(q);var r=document.createElement("table");r.cellSpacing=2;r.appendChild(l);r.appendChild(h);this.container.appendChild(r);var d=document.createElement("a");d.className="prev";d.innerHTML="&lt;";d.onclick=function(){var i=new Date(o.calendarDate);i.setMonth(i.getMonth()-1);o.show(i.getFullYear(),i.getMonth()+1)};q.appendChild(d);var j=document.createElement("a");j.className="next";j.innerHTML="&gt;";j.onclick=function(){var i=new Date(o.calendarDate);i.setMonth(i.getMonth()+1);o.show(i.getFullYear(),i.getMonth()+1)};q.appendChild(j);var p=document.createElement("span");p.className="title";p.innerHTML=this.calendarDate.getFullYear()+" / "+(this.calendarDate.getMonth()+1);q.appendChild(p);var k=document.createElement("tr");l.appendChild(k);var a=["S","M","T","W","T","F","S"];for(var f=0;f<a.length;f++){k.appendChild(document.createElement("th"));k.lastChild.appendChild(document.createTextNode(a[f]))}k.firstChild.className="sunday"},close:function(){if(this.container){document.body.removeChild(this.container);this.container=null}},select:function(c,a,b){if(this.field){this.field.value=b+"/"+a+"/"+c}},appendToButton:function(b){var a=this;if(typeof b=="string"){b=document.getElementById(b)}b.style.cursor="pointer";I.regEvent(b,"click",function(c){var d=I.elmPos(b);a.pos={left:d.x+b.offsetWidth,top:d.y};a.show();I.cancelBubble(c)})}};