rem: return serv.newChannel(url, null); 
add: return serv.newChannel(url, null, null); 
context: function _getChannelForURL (url){    var serv = Components.classes[IOSERVICE_CTRID].getService(nsIIOService);    if (!serv)        throw new BadMojo(ERR_FAILURE);        return serv.newChannel(url, null);}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/026dda9f95c7f7d4dce37efd9af20a1ffd4dfe0d/venkman-url-loader.js/clean/extensions/venkman/resources/content/venkman-url-loader.js