//<![CDATA[
//弹出层 by ChenLiang v1.0
function LightBox(boxWidth,boxHeight,boxContent)
{
this.boxWidth=boxWidth;
this.boxHeight=boxHeight;
this.boxContent=boxContent;
var bgLayer,boxLayer;
var documentHtml=document.documentElement;
this.createBgLayer=function()
{
bgLayer = document.createElement("div");
with (bgLayer)
{
className="bgLayer";
style.width=documentHtml.scrollWidth+"px";
style.height=documentHtml.scrollHeight+"px";
style.display="none";
}
document.body.insertBefore(bgLayer,document.body.firstChild);
};
this.createBox=function(){
boxLayer = document.createElement("div");
with (boxLayer)
{
className = "boxLayer";
style.width=this.boxWidth + "px";
style.height = this.boxHeight +"px";
style.display="none";
};
document.body.insertBefore(boxLayer,document.body.firstChild);
};
this.init= function()
{
this.createBgLayer();
this.createBox();
}
// if IE 6.0
function hideShowSelect(obj)
{
if (window.navigator.userAgent.indexOf("MSIE 6.0") > 0)
{
var selectDom = document.getElementsByTagName("select");
for (var i = 0; i < selectDom.length ; i++)
{
if (obj)
selectDom[i].style.display="none";
else
selectDom[i].style.display="";
}
}
};
this.show = function()
{
hideShowSelect(true);
boxLayer.innerHTML=this.boxContent;
bgLayer.style.display = "block";
boxLayer.style.display = "block";
boxLayer.style.left = documentHtml.offsetWidth /2 - boxLayer.offsetWidth/2 +"px";
boxLayer.style.top = documentHtml.scrollTop + documentHtml.clientHeight/2 - this.boxHeight/2 -30 + "px";
}
this.hide = function()
{
hideShowSelect(false);
bgLayer.style.display = "none";
boxLayer.style.display = "none";
}
}
//]]>