function getPageId()
{
	locat=new String(document.location);
	var i=0;

	if ((i=locat.indexOf("?"))!=-1)
		return(locat.substring(0, i));
	if ((i=locat.lastIndexOf("tvb.com"))== locat.length-1)
		locat += "/";
	if (locat.lastIndexOf("/") == locat.length-1)
		locat += "index.html";

	return locat;
}