function Ondisplay(displayid,divid)
{
	var tagelement,divelement;
	var left=0,top=0,len=0,i=0;
/*	window.gtdt.style.display="none";
	window.gnjg.style.display="none";
	window.gwjg.style.display="none";
	window.layer1.style.display="none";
	window.layer2.style.display="none";
	window.layer3.style.display="none";
	window.layer1.style.display="none";
	window.layer2.style.display="none";
	window.layer3.style.display="none";
	window.layer1.style.display="none";
	window.layer2.style.display="none";
	window.layer3.style.display="none";
	window.layer1.style.display="none";
	window.layer2.style.display="none";
	window.layer3.style.display="none";
*/	

	divelement=document.getElementsByTagName("DIV");
	for(i=0;i<divelement.length;i++)
	{
		if(divelement[i].id!=null && divelement[i].id!='')
			divelement[i].style.display='none';
	}

	tagelement=document.getElementById(displayid);
	len=parseInt(tagelement.offsetWidth)-1;
	while(tagelement!=null)
	{
			left += parseInt(tagelement.offsetLeft);
			top += parseInt(tagelement.offsetTop);
			tagelement = tagelement.offsetParent;
			
	}
	
	document.getElementById(divid).style.left=left+len+"px";
	document.getElementById(divid).style.top=top+"px";	
	document.getElementById(divid).style.display="";
}
function Onhidden(id)
{
	var laylx=parseInt(document.getElementById(id).style.left);
	var layrx=laylx+parseInt(document.getElementById(id).style.width);
	var layuy=parseInt(document.getElementById(id).style.top);
	var laydy=layuy+parseInt(document.getElementById(id).style.height);
	
	var px=window.event.x+parseInt(document.body.scrollLeft);
	var py=window.event.y+parseInt(document.body.scrollTop);
	if(px>=laylx && px<=layrx && py>=layuy && py<=laydy)
//		alert(window.event.x+"");
//		alert(laylx+","+layrx+","+layuy+","+laydy);
		document.getElementById(id).style.display="";
	else
	{
		document.getElementById(id).style.display="none";
		MM_swapImgRestore();
	}
}