// JavaScript Document

var docEle = function() 
{
    return document.getElementById(arguments[0]) || false;
}

function openNewDiv(_id) 
{
    var m = "mask";
    if (docEle(_id)) document.body.removeChild(docEle(_id));
    if (docEle(m)) document.body.removeChild(docEle(m));
    
    //mask遮罩层

    var newMask = document.createElement("div");
    newMask.id = m;
    newMask.style.position = "absolute";
    newMask.style.zIndex = "1";
    _scrollWidth = Math.max(document.documentElement.scrollWidth,document.documentElement.scrollWidth);
    _scrollHeight = Math.max(document.documentElement.scrollHeight,document.documentElement.scrollHeight);
    newMask.style.width = _scrollWidth+ "px";
    newMask.style.height = _scrollHeight+ "px";
    newMask.style.top = "0px";
    newMask.style.left = "0px";
    newMask.style.background = "#000";
    newMask.style.filter = "alpha(opacity=30)";
    newMask.style.opacity = "0.40";
    document.body.appendChild(newMask);
    
    //新弹出层

    var newDiv = document.createElement("div");
    newDiv.id = _id;
    newDiv.style.position = "absolute";
    newDiv.style.zIndex = "9999";
    newDivWidth = height;
    newDivHeight = Width;
    newDiv.style.width = newDivWidth + "px";
    newDiv.style.height = newDivHeight + "px";
    newDiv.style.top = (document.documentElement.scrollTop + document.documentElement.clientHeight/2 - newDivHeight/2) + "px";
    newDiv.style.left = (document.documentElement.scrollLeft + document.documentElement.clientWidth/2 - newDivWidth/2 ) + "px";
    newDiv.style.background = "none";
    newDiv.style.border = "none";
    newDiv.style.padding = "5px";
    newDiv.innerHTML = strHtml; 
    document.body.appendChild(newDiv);
    
    //弹出层滚动居中

    function newDivCenter()
    {
        newDiv.style.top = (document.documentElement.scrollTop + document.documentElement.clientHeight/2 - newDivHeight/2) + "px";
        newDiv.style.left = (document.documentElement.scrollLeft + document.documentElement.clientWidth/2 - newDivWidth/2) + "px";
    }
    if(document.all)
    {
        window.attachEvent("onscroll",newDivCenter);
    }
    else
    {
        window.addEventListener('scroll',newDivCenter,true);
    }
    
    //关闭新图层和mask遮罩层

     //var newA = document.createElement("a");
    // newA.href = "#";
    //newA.innerHTML = "关闭";
    //newA.onclick = function() 
    //{
       // if(document.all)
        //{
          //  window.detachEvent("onscroll",newDivCenter);
        //}
       // else
       // {
       //     window.removeEventListener('scroll',newDivCenter,false);
      //  }
      //  document.body.removeChild(docEle(_id));
       // document.body.removeChild(docEle(m));
       // return false;
    //}
    //newDiv.appendChild(newA);
}
function Divclose()
{
	document.body.removeChild(docEle("mask"));
	document.body.removeChild(docEle("newDiv"));
}