function newBuildReturnValue(selectName){
  var ret = new Array();
    $("#"+selectName+" option").each(function(){
      //遍歷所有option  
          var value = $(this).val();   //獲取option值   
          var text = $(this).text();
          if(text!=''){   
              var o = new Element(value, text, 0);
            ret.push(o);
          }  
    });
  return ret;
}