setOpacity = function (elemid,value)	{
		var e = document.getElementById(elemid);
		e.style.opacity = value/10;
		e.style.filter = 'alpha(opacity=' + value*10 + ')';
}
function removed(robj)
{
document.getElementById(robj).removeNode(true);
} 

function close_window(){
	handle_select("visible");
if(!document.all) {
Layer=document.getElementById("Layer");
overlay=document.getElementById("overlay");
}	
Layer.className="hd";
overlay.className="hd"; //用于FF隐藏overlay
removed("overlay"); //用于IE隐藏overlay
}

_toggleTroubleElements : function(visibility, content){
		
		if (content) {
			var selects = $('lightwindow_contents').getElementsByTagName('select');
		} else {
			var selects = document.getElementsByTagName('select');
		}
		
		for(var i = 0; i < selects.length; i++) {
			selects[i].style.visibility = visibility;
		}
		
		if (!content) {
			if (this.options.hideFlash){
				var objects = document.getElementsByTagName('object');
				for (i = 0; i != objects.length; i++) {
					objects[i].style.visibility = visibility;
				}
				var embeds = document.getElementsByTagName('embed');
				for (i = 0; i != embeds.length; i++) {
					embeds[i].style.visibility = visibility;
				}
			}
			var iframes = document.getElementsByTagName('iframe');
			for (i = 0; i != iframes.length; i++) {
				iframes[i].style.visibility = visibility;
			}
		}
	}

function handle_select(sh){
		var selects = document.getElementsByTagName('select');
			for(var i = 0; i < selects.length; i++) {
			selects[i].style.visibility = sh;
		}
}
function showcase(price,pic,cid,title,id,url){
handle_select("hidden");
var objBody = document.getElementsByTagName("body").item(0);
var objOverlay = document.createElement("div");
objOverlay.setAttribute('id','overlay');
objBody.appendChild(objOverlay);

if(!document.all) {
Layer=document.getElementById("Layer");
}
var numb=id;
var Html="";
var inner=document.getElementById("mycase"+numb).innerHTML;
//alert(pic);
Html+='<div id="pic_window">';
Html+='<div id="por_content">';
Html+='<a href="javascript:void(0);" onclick="close_window();">×关闭</a>';
Html+='</div>';
Html+='<div id="picbar">';
Html+='<div id="pic_big"><img src="'+pic+'" border=0 /></div>';
Html+='</div>';
Html+='</div>';
Layer.innerHTML=Html;
Layer.className="sw";
LeftPosition = (screen.width) ? (screen.width-375)/2 : 0;
TopPosition = (screen.height) ? (screen.height-200)/2 : 0;

if (document.body)
{
TopPosition+=document.body.scrollTop-60;
}else if (document.documentElement)
{
TopPosition+=document.documentElement.scrollTop-60;
}

Layer.style.left=LeftPosition+"px";
Layer.style.top=TopPosition+"px";

Layer.style.opacity = 0;
Layer.style.filter = 'alpha(opacity=0)';	
var op_level = 10;
setLayerOpacity = setOpacity;
for (var i=0;i<=op_level;i++) {setTimeout("setLayerOpacity('Layer',"+i+")",30*i);}
}