/*	
	双日历控件 ziqiu.zhang 2007.11.5日 
	改版自elong.com 原单日历控件
	增加了对XHtml的支持.
 */
document.write('<iframe id=CalFrame name=CalFrame frameborder=0 src=/Utility/newcalendar/newcalendar.htm style=display:none;position:absolute;z-index:110></iframe>');
document.onclick=hideCalendar;
function openCalendar(PosControl,IsClickAllDay,fieldname,NextPosControl,Nextfieldname,StartDate)
{

var currsFld2=''
if(PosControl==fieldname)currsFld2="text";
var currsStartDate;

if(StartDate!=null && StartDate!="")
currsStartDate=DateAdd("d",0,StartDate);
else
currsStartDate=new Date();
//alert("open "+formatDate(StartDate));
showCalendar(PosControl,IsClickAllDay,fieldname,NextPosControl,Nextfieldname,'','','','','',currsFld2,'',fieldname,null,null,currsStartDate);
	
}
function DateAdd(interval,number,date){ // date 可以是时间对象也可以是字符串，如果是后者，形式必须为: yyyy-mm-dd hh:mm:ss 其中分隔符不定。"2006年12月29日 16点01分23秒" 也是合法的
number = parseInt(number);
if (typeof(date)=="string"){
date = date.split(/\D/);
--date[1];
eval("var date = new Date("+date.join(",")+")");
}
if (typeof(date)=="object"){
var date = date
}
switch(interval){
case "y": date.setFullYear(date.getFullYear()+number); break;
case "m": date.setMonth(date.getMonth()+number); break;
case "d": date.setDate(date.getDate()+number); break;
case "w": date.setDate(date.getDate()+7*number); break;
case "h": date.setHours(date.getHour()+number); break;
case "n": date.setMinutes(date.getMinutes()+number); break;
case "s": date.setSeconds(date.getSeconds()+number); break;
case "l": date.setMilliseconds(date.getMilliseconds()+number); break;
} 
return date;
}
function formatDate(v){   
  if(v instanceof Date){   
    var y = v.getFullYear();   
    var m = v.getMonth() + 1;   
    var d = v.getDate();   
    //var h = v.getHours();   
    //var i = v.getMinutes();   
    //var s = v.getSeconds();   
    //var ms = v.getMilliseconds();      
    //if(ms>0) return y + '-' + m + '-' + d + ' ' + h + ':' + i + ':' + s + '.' + ms;   
    //if(h>0 || i>0 || s>0) return y + '-' + m + '-' + d + ' ' + h + ':' + i + ':' + s;   
	var mm=m.toString();
	var dd=d.toString();
	if(mm.length==1)mm="0"+mm;
	if(dd.length==1)dd="0"+dd;  
    return y + '-' + mm + '-' + dd;  
  }   
  return '';   
}
function showCalendar(sImg,bOpenBound,sFld1,sNextP,sNextD,sStartD,sEndD,sVD,sOE,sVDE,sOT,s3F,sFld2,sCallback,sNextVDE,StartDate)
{
	//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则值为'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.
	
	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;}
	
	//==============新版本更新: 关于日历显示位置的更改 ziqiu.zhang 开始	=================
	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;
	//alert(sL)
	
	var h1 = document.body.clientHeight;
	//alert("h1:" + h1);
	var h2 = document.documentElement.clientHeight;
	//alert("h2:" + h2);
	var isXhtml = (h2<=h1&&h2!=0)?true:false;
	//alert(isXhtml);
	
	//alert("document.documentElement.clientHeight:" + document.documentElement.clientHeight );
	//alert("document.body.clientHeight:" + document.body.clientHeight );
	var myClient = getClient();
	var myScroll = getScroll();		
	//alert("myClient.clientWidth:" + myClient.clientWidth);
	//alert("myScroll.sTop:" + myScroll.sTop);
	//alert("myScroll.sLeft:" + myScroll.sLeft);
	
	var eH=oImg.height,eW=oImg.width;
	while(p&&p.tagName.toLowerCase() != "body"){eT+=p.offsetTop;eL+=p.offsetLeft;p=p.offsetParent;}	
	//alert("myClient.clientHeight:" + myClient.clientHeight);
	//alert("myScroll.sTop:" + myScroll.sTop);
	//alert("eT:" + eT);
	//alert("eL:" + eL);
	//alert("eT-myScroll.sTop :" + (eT-myScroll.sTop) );
	
	//调用日历的控件的高度获取有问题.下面的注释掉.
	/*
	eH=oImg.height;
	alert("eH:" + eH);
	alert(oImg.height);
	alert( "oImg.height :" + oImg.height); //注:oImg.height属性在Firefox中不支持
	*/
	
	//alert("eH:" + eH);
	//alert("eT - myScroll.sTop - eH :" +　( eT - myScroll.sTop - eH ) );
	
	var bottomSpace = myClient.clientHeight - eT - myScroll.sTop;
	//alert("bottomSpace:" + bottomSpace);
	//alert("myClient.clientHeight-(eT-sT)-eH:" + (parseInt(myClient.clientHeight-(eT-sT)-eH)).toString() );
	//alert("cf.height:" + cf.height);
	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";	
	}
	
	//==============新版本更新: 关于日历显示位置的更改 ziqiu.zhang 结束	=================
	if(eL>document.documentElement.clientWidth/2)
	cf.style.left= (eL+eW-cf.width).toString() + "px";
	else
	cf.style.left= (eL).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(StartDate);
}
function hideCalendar()
{
	var cf=document.getElementById("CalFrame");
	cf.style.display="none";
}

//ziqiu.zhang 2007.11.5

//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};        
}
