TimeToShow=500;
var VisNum=0;
var tim;
if (document.getElementById)
{
	NewVersion=true;
}


function DelayHiddenLayer(layernum){
	VisNum=layernum;
	tim=setTimeout('HiddenLayer()',TimeToShow);
}


function HiddenLayer(){
	if (NewVersion)
	{
		if (VisNum!=0)
		{
			var layername='top_menu'+VisNum;
			document.getElementById('tab'+VisNum).className='tab_menu';			
			eval("document.str"+VisNum).src='image/str.gif';
			document.getElementById(layername).style.display ='none';			
		}
			clearTimeout(tim);
	}
}


function VisibleLayer(layernum){
	HiddenLayer();
	document.getElementById('tab'+layernum).className='tab_menu_a';
	var layername='top_menu'+layernum;
	eval("document.str"+layernum).src='image/stra.gif';
	if (NewVersion)
	{
		document.getElementById(layername).style.display ='block';			
	}
}
var nw;
function ow(url){
	if(nw && !nw.closed) nw.close();
	nw = window.open(url, "small", "toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=0,width=100,height=100");
	nw.focus();
}