编写一个参数JavaScript函数parseQueryString，它的用途是把url参数解析为一个对象

var url =  "http://www.taobao.com/index.php?key0=0&key1=1&key2=2............." ;

var obj = parseQueryString(url);

       

function parseQueryString(argu){

   var str = argu.split( '?' )[1];

   var result = {};

   var temp = str.split( '&' );

   for ( var i=0; i<temp.length; i++)

   {

      var temp2 = temp[i].split( '=' );

      result[temp2[0]] = temp2[1];

   }

   return result;

}