encodeURI for tastypie RESTful api framework

encodeURI

function encodeURI(params){
     var request_url=[];
     for(var i in params){
         var target = params[i];
         if(typeof target =='object'){ // when is list
             for(var j in target){
                 request_url.push(i+"="+target[j]);
             }
         }else{
             request_url.push(i+"="+params[i])
         }
     }
     return endcodeURI(request_url.join('&'));
 }