function hid()
        {
        var div4=document.getElementById("div1");
        div4.style.display="block";
        div4.style.width="200px";
        div4.style.height="150px";
        div4.style.zIndex="9999";
        div4.style.top="43%";
        div4.style.left="43%";
		div4.style.padding="10px";
        div4.style.position="absolute";
        var div3=document.getElementById("div2");
        div3.style.display="block";
        div3.style.width="400px";
        div3.style.zIndex="9998";
        div3.style.position="absolute";
        div3.style.height=document.body.offsetHeight;
        div3.style.top="0px";
        div3.style.left="0px";

        }
        function vis()
        {
        var div4=document.getElementById("div1");
        div4.style.display="none";
        var div3=document.getElementById("div2");
        div3.style.display="none";
        div3.style.width="0px";
        div3.style.height="0px";
        div4.innerHTML="<a onclick='vis()' style='display: block' id='text'>点击关闭</a><br /><br /><input name='TextBox2' type='text' id='TextBox2' /><br /><input id='Button3' type='button' value='button' onclick='return Button3_onclick()' />";
        }
		

function openLayer(objId,conId){

      var arrayPageSize   = getPageSize();//调用getPageSize()函数

      var arrayPageScroll = getPageScroll();//调用getPageScroll()函数

      if (!document.getElementById("popupAddr")){

     

      //创建弹出内容层

       var popupDiv = document.createElement("div");

      

       //给这个元素设置属性与样式

       popupDiv.setAttribute("id","popupAddr")

       popupDiv.style.position = "absolute";

       popupDiv.style.border = "1px solid #ccc";

       popupDiv.style.background = "#fff";

       popupDiv.style.zIndex = 99;
      
       popupDiv.style.padding="10px";




      //创建弹出背景层

       var bodyBack = document.createElement("div");

       bodyBack.setAttribute("id","bodybg")

       bodyBack.style.position = "absolute";

       bodyBack.style.width = "100%";

       bodyBack.style.height = (arrayPageSize[1] + 35 + 'px');

       bodyBack.style.zIndex = 98;

       bodyBack.style.top = 0;

       bodyBack.style.left = 0;

       bodyBack.style.filter = "alpha(opacity=50)";

       bodyBack.style.opacity = 0.5;
	   	   
       bodyBack.style.background = "#ccc";

      

      //实现弹出(插入到目标元素之后)

       var mybody = document.getElementById(objId);

       insertAfter(popupDiv,mybody);//执行函数insertAfter()

       insertAfter(bodyBack,mybody);//执行函数insertAfter()

     

      }

     

     //显示背景层

      document.getElementById("bodybg").style.display = "";

     //显示内容层

      var popObj=document.getElementById("popupAddr")

      popObj.innerHTML = document.getElementById(conId).innerHTML;

      popObj.style.display = "";

     //让弹出层在页面中垂直左右居中(统一)

     // popObj.style.top = arrayPageScroll[1] + (arrayPageSize[3] - 35 - 400) / 2 + 'px';

     // popObj.style.left = (arrayPageSize[0] - 20 - 400) / 2 + 'px';

     //让弹出层在页面中垂直左右居中(个性)

      var arrayConSize=getConSize(conId)

     // popObj.style.top = arrayPageScroll[1] + (arrayPageSize[3] - arrayConSize[1]) / 2-50 + 'px';

//popObj.style.left = (arrayPageSize[0] - arrayConSize[0]) / 2 -30 + 'px';
		popObj.style.top = arrayPageScroll[1] + (arrayPageSize[3] - 10 - 200) / 2 + 'px';
		//popObj.style.left = (arrayPageSize[0] - 20 - 700) / 2 + 'px';
		popObj.style.left = "30%";
     }

     //获取内容层内容原始尺寸

     function getConSize(conId){

     var conObj=document.getElementById(conId)

     conObj.style.position = "absolute";


     conObj.style.display="";

     var arrayConSize=[conObj.offsetWidth,conObj.offsetHeight]

     conObj.style.display="none";

     return arrayConSize;

     }

     function insertAfter(newElement,targetElement){//插入

      var parent = targetElement.parentNode;

      if(parent.lastChild == targetElement){

       parent.appendChild(newElement);

      }

      else{

       parent.insertBefore(newElement,targetElement.nextSibling);

      }

     }

     //获取滚动条的高度

     function getPageScroll(){

      var yScroll;

      if (self.pageYOffset) {

       yScroll = self.pageYOffset;

      } else if (document.documentElement && document.documentElement.scrollTop){

       yScroll = document.documentElement.scrollTop;

      } else if (document.body) {

       yScroll = document.body.scrollTop;

      }

     

      arrayPageScroll = new Array('',yScroll)

      return arrayPageScroll;

     }

     //获取页面实际大小

     function getPageSize(){

      var xScroll,yScroll;

     

      if (window.innerHeight && window.scrollMaxY){

       xScroll = document.body.scrollWidth;

       yScroll = window.innerHeight + window.scrollMaxY;

      } else if (document.body.scrollHeight > document.body.offsetHeight){

       sScroll = document.body.scrollWidth;

       yScroll = document.body.scrollHeight;

      } else {

       xScroll = document.body.offsetWidth;

       yScroll = document.body.offsetHeight;

      }

     

      var windowWidth,windowHeight;

      //var pageHeight,pageWidth;

      if (self.innerHeight) {

       windowWidth = self.innerWidth;

       windowHeight = self.innerHeight;

      } else if (document.documentElement && document.documentElement.clientHeight) {

       windowWidth = document.documentElement.clientWidth;

       windowHeight = document.documentElement.clientHeight;

      } else if (document.body) {

       windowWidth = document.body.clientWidth;

       windowHeight = document.body.clientHeight;

      }

     

      var pageWidth,pageHeight

      if(yScroll < windowHeight){

       pageHeight = windowHeight;

      } else {

       pageHeight = yScroll;

      }

      if(xScroll < windowWidth) {

       pageWidth = windowWidth;

      } else {

       pageWidth = xScroll;

      }

      arrayPageSize = new Array(pageWidth,pageHeight,windowWidth,windowHeight)

      return arrayPageSize;

     }

     //关闭弹出层

     function closeLayer(){

      document.getElementById("popupAddr").style.display = "none";

      document.getElementById("bodybg").style.display = "none";

      return false;

     }