function sel(imgid)
	{
		document.getElementById(imgid).src='images/'+imgid.replace('ctl00_TopNav1_','')+'_sel.gif';
	}
	
	function unsel(imgid)
	{
		if (thispage==null||imgid.replace('ctl00_TopNav1_','')!=thispage)
			document.getElementById(imgid).src='images/'+imgid.replace('ctl00_TopNav1_','')+'.gif';
	}