function videopopup(mylink, windowname) {
		if (! window.focus)return true;
			var href;
		if (typeof(mylink) == 'string')
		   href=mylink;
		else
		   href=mylink.href;
		   window.open(href, windowname, 'width=768,height=520,scrollbars=yes');
		  return false;
		}