function boards_send_marker_update( fid, is_subforum )
{
	try
	{
		var imgsrc = document.getElementById( 'f-'+fid ).innerHTML;
	
		if ( imgsrc )
		{
			var regex  = new RegExp( "src=['\"](.*/)("+regex_markers+")['\"]" );
			var results = imgsrc.match( regex );
			if ( img_markers[ results[2] ] )
			{
				imgsrc = imgsrc.replace( regex, "src='$1"+img_markers[ results[2] ]+"'" );
				document.getElementById( 'f-'+fid ).innerHTML = imgsrc;
			}
		}
	}
	catch(e){}
	xmlobj = new xmlrequest();
	xmlrequest.do_request_functon = function()
	{
	}
	xmlrequest.load_xml_document( ipb_var_base_url + 'act=xmlout&do=mark-forum&fid='+fid+'&sf='+is_subforum );
	if ( ! xmlrequest.allow_use )
	{
		window.location = document.getElementById( 'f-'+fid ).url;
	}
	return false;
}