function parseURL(url) {

     var a =  document.createElement('a');

     a.href = url;

     return {

         source: url,

         protocol: a.protocol.replace(':',''),

         host: a.hostname,

         port: a.port,

         query: a.search,

         params: (function(){

             var ret = {},

                 seg = a.search.replace(/^\?/,'').split('&'),

                 len = seg.length, i = 0, s;

             for (;i<len;i++) {

                 if (!seg[i]) { continue; }

                 s = seg[i].split('=');

                 ret[s[0]] = s[1];

             }

             return ret;

         })(),

         file: (a.pathname.match(/\/([^\/?#]+)$/i) || [,''])[1],

         hash: a.hash.replace('#',''),

         path: a.pathname.replace(/^([^\/])/,'/$1'),

         relative: (a.href.match(/tps?:\/\/[^\/]+(.+)/) || [,''])[1],

         segments: a.pathname.replace(/^\//,'').split('/')

     };}