function mm_siteIndex(windowAttributes, indexHeading, siteMapUrl)
{
	var attr = "toolbar=no,scrollbars=yes,resizable=yes,status=yes";
	if (windowAttributes.length > 0) attr += "," + windowAttributes;
	_iWin = window.open("", "Site_Index", attr);

	//_iwd = _iWin.document;
	_iWin.window.opener.name = "parentwin" + new Date().getTime();

	// Navigate to the SiteMap page
	_iWin.location = siteMapUrl+"?pfsNavTarget="+_iWin.window.opener.name;

	mm_tName = _iWin.window.opener.name;
}