document.write('<iframe id=CalFrame name=CalFrame frameborder=0 src=/calendar.htm style=display:none;position:absolute;z-index:100></iframe>');
document.onclick=hideCalendar;

function ddCalendar(sImg,bOpenBound,sFld1,sNextP,sNextD,sStartD,sEndD,sVD,sOE,sVDE,sOT,s3F,sFld2,sCallback,sNextVDE)
{
    //1.sImg日历弹出位置的控件的名称,
    //2.bOpenBound,
    //3.sFld1取得日期的控件名称,
    
    
    //4.sNextP选取日期后新日历弹出的位置的控件名称,可不输入,
    //5.sNextD选取日期后新日历弹出从中取值的控件名称,可不输入,
    
    //6.sStartD开始有效时间,
    //7.sEndD截至有效时间,
    
    //8.sVD周几有效,例如：'1,3,5',注意星期日应输入'0'
    //9.sOE,单双日有效,'0'表示双日,'1'表示单日
    //10.sVDE特殊日期,例如'2004-10-11,2004-11-20,',最后一定要输入','
    //11.sOT如果是直接在文本框中点击'text',
    //12.s3F下一个日历弹出并选择后点取日期后定位到新的控件
    
    //sFld2,弹出日历默认日期
    //sCallback
    
    // sNextVDE 下一次焦点的有效时间.
    //onClick="event.cancelBubble=true;ddCalendar('txtComeDate',false,'txtComeDate','txtOutDate','txtOutDate','2004-12-01','2016-12-30','','','','text','');"
    var fld1,fld2;
    var cf=document.getElementById("CalFrame");
    var wcf=window.frames.CalFrame;
    var oImg=document.getElementById(sImg);
    if(!oImg){alert("控制对象不存在！");return;}
    if(!sFld1){alert("输入控件未指定！");return;}
    fld1=document.getElementById(sFld1);
    if(!fld1){alert("输入控件不存在！");return;}
    if(fld1.tagName!="INPUT"||fld1.type!="text"){alert("输入控件类型错误！");return;}
    if(sFld2)
    {
        fld2=document.getElementById(sFld2);
        if(!fld2){alert("参考控件不存在！");return;}
        if(fld2.tagName!="INPUT"||(fld2.type!="text"&&fld2.type!="hidden")){alert("参考控件类型错误！");return;}
    }
    if(!wcf.bCalLoaded){alert("日历未成功装载！请刷新页面！");return;}
    wcf.n_position=sNextP;
    wcf.n_textdate=sNextD;
    wcf.startdate=sStartD;
    wcf.enddate=sEndD;
    wcf.vailidday=sVD;
    wcf.oddeven=sOE;
    wcf.vailiddate=sVDE;
    wcf.nextvailiddate = sNextVDE;
    wcf.objecttype=sOT;
    wcf.thirdfocus=s3F;
    if(cf.style.display=="block"){cf.style.display="none";return;}
    
    var eT=0,eL=0,p=oImg;
	var sT=(document.body.scrollTop > document.documentElement.scrollTop)? document.body.scrollTop:document.documentElement.scrollTop;
	//alert(sT);
	var sL=(document.body.scrollLeft > document.documentElement.scrollLeft )? document.body.scrollLeft:document.documentElement.scrollLeft;
	var h1 = document.body.clientHeight;
	//alert("h1:" + h1);
	var h2 = document.documentElement.clientHeight;
	//alert("h2:" + h2);
	var isXhtml = (h2<=h1&&h2!=0)?true:false;
	
	var myClient = getClient();
	var myScroll = getScroll();
	
    var eH=oImg.height,eW=oImg.width;
    while(p&&p.tagName!="BODY"){eT+=p.offsetTop;eL+=p.offsetLeft;p=p.offsetParent;}
	var bottomSpace = myClient.clientHeight - eT - myScroll.sTop;
	
	eH=5;
    if(sOT=="text")
	{
		//cf.style.top= ( (bottomSpace>=cf.height)?eT+eH+20:eT-cf.height ).toString() + "px";
		cf.style.top= (eT+eH+20).toString() + "px";	
	}
	else
	{
		//cf.style.top= ( (bottomSpace>=cf.height)?eT+eH+20:eT-cf.height ).toString() + "px";	
		//cf.style.top=(bottomSpace>=cf.height)?eT:eT-cf.height;	
		cf.style.top= (eT+eH+20).toString() + "px";	
	}
    cf.style.left= ((isXhtml?document.documentElement.clientWidth:document.body.clientWidth-(eL-sL)>=cf.width)?eL:eL+eW-cf.width).toString() + "px";
    cf.style.display="block";
    
    wcf.openbound=bOpenBound;
    wcf.fld1=fld1;
    wcf.fld2=fld2;
    wcf.callback=sCallback;
    wcf.initCalendar();
}
function hideCalendar()
{
    var cf=document.getElementById("CalFrame");
    cf.style.display="none";
}

//得到鼠标滚过的距离 scrollTop 与 scrollLeft 
//用法与测试:
/*
	var myClient = getClient();
	alert("myClient.clientHeight:" + myClient.clientHeight);
	alert("myClient.clientWidth:" + myClient.clientWidth);
*/
function getScroll() 
{     
		var sTop = 0, sLeft = 0, sWidth = 0, sHeight = 0; 
        
		sTop = (document.body.scrollTop > document.documentElement.scrollTop)? document.body.scrollTop:document.documentElement.scrollTop;
		if( isNaN(sTop) || sTop <0 ){ sTop = 0 ;}
        
		sLeft = (document.body.scrollLeft > document.documentElement.scrollLeft )? document.body.scrollLeft:document.documentElement.scrollLeft;
		if( isNaN(sLeft) || sLeft <0 ){ sLeft = 0 ;}
		
		return { sTop:sTop, sLeft: sLeft, sWidth: sWidth, sHeight: sHeight }; 
}

//得到浏览器当前显示区域的大小 clientHeight 与 clientWidth
/*	用法与测试:
	var myScroll = getScroll();	
	alert("myScroll.sTop:" + myScroll.sTop);
	alert("myScroll.sLeft:" + myScroll.sLeft);
*/
function getClient()
{
    			var h1 = document.body.clientHeight;
			var h2 = document.documentElement.clientHeight;
			var isXhtml = (h2<=h1&&h2!=0)?true:false;
				
			this.clientHeight = isXhtml?document.documentElement.clientHeight:document.body.clientHeight;
			this.clientWidth  = isXhtml?document.documentElement.clientWidth:document.body.clientWidth;
            
    return {clientHeight:this.clientHeight,clientWidth:this.clientWidth};        
}