function onLoadFunc()
{
		removeLinkBKG("footer_top_content");
		removeLinkBKG("main_nav");
}
function removeLinkBKG(containerID){
	var nav=document.getElementById(containerID);			
	if(nav!=null)
	{
		var lis= nav.getElementsByTagName("a");
		if(lis!=null)
		   lis[0].style.background="none";
	}
}