 return (dojo.indexOf(types, "callback-polling") >= 0); 
return ((!xdomain)&&(dojo.indexOf(types, "long-polling") >= 0)); 
	this.check = function(types, version, xdomain){		// we handle x-domain!		return (dojo.indexOf(types, "callback-polling") >= 0);	}
5168	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/5168/4cd022665475a0b318d3210b38e7eaca6874c8dc/cometd.js/buggy/_cometd/cometd.js