//make sure this page is i/framed
//if (top.location.href == self.location.href)
//	top.location.href = 'tests.asp?productid=<%=productid%>';

var currenttab='description';

function switchtab(tab)
{
	//don't run if tab is already active
	if (currenttab==tab)
		return;
	
	//deactivate all
	document.getElementById('tab'+currenttab).className = 'tab';
	document.getElementById('div'+currenttab).style.display = 'none';
	
	//activate clicked
	document.getElementById('tab'+tab).className = 'tabactive';
	document.getElementById('div'+tab).style.display = '';	
	
	currenttab = tab;
	
	//resizeIframe('iframetest');
	//alert(top.document.getElementById('iframetest').height);
	//var resize=false;
	//mozilla
	//if(self.innerHeight){if(document.body.scrollHeight>self.innerHeight){resize=true;}}
	//ie
	//else{if(document.body.scrollHeight > document.body.offsetHeight){resize=true;}}
	//if(resize){top.document.getElementById('iframetest').height=document.body.scrollHeight;}
}