var dom = document.getElementById;
var ie4=document.all&&navigator.userAgent.indexOf("Opera")==-1;
var ns6=document.getElementById&&!document.all;
var ns4=document.layers;

var VISIBLE = "visible";
var HIDE = (ie4||ns6)? "hidden" : "hide";
var selectContainer = document.getElementsByTagName("SELECT");		

function changeImg(imgname,largeImg,obj){
	var str = "";
	str += "<style>BODY {margin:0px;height:0px;}</style>"
	    +  "<table width='100%' height='100%' cellpadding=0><tr><td background='http://edit.store.yahoo.com/lib/ezbuyfurniture/gradient-header.gif'>"
	    +  "<a href='index.html' STYLE='border style: none'><img src='http://edit.store.yahoo.com/lib/ezbuyfurniture/ezbuy-logo.gif' width='368' height='64' STYLE='border style:none'></a>"
	    +  "</td></tr>"
	    +  "<tr><td align=center valign=middle height='100%'>"
	    +  "<img src=" + largeImg.src + ">"
	    +  "</td></tr><tr><td style='height:5px;' bgcolor='#B22801'></td></tr>"
	    +  "<tr><td align=right><a href='javascript:window.close();' style='font: bold 10px tahoma; padding:3px; color: #B32801'>close window</a></td></tr></table>";
	w1 = window.open("","w1","width=750,height=550,scrollbars=1,resizable=1,top=50,left=50");
	w1.document.write(str);
	w1.document.close();
	w1.window.focus();
	/*
		document.getElementById("itemimage").src = largeImg.src;
	if(obj)
		showLayer(obj);
	else	
		document.getElementById("mainimg").src = imgname.src;
	*/
}

function showLayer(obj){
	for(i=0; i<selectContainer.length; i++)
		selectContainer[i].style.visibility = HIDE;
	if(dom || ie4 || ns6)
			obj.style.visibility = VISIBLE;
			
}

function hideLayer(obj){
	for(i=0; i<selectContainer.length; i++)
		selectContainer[i].style.visibility = VISIBLE;
	if(dom || ie4 || ns6)
        obj.style.visibility = HIDE;
}