get wiki code

function vkGetWikiCode(pid,gid){
   var params={gid:gid}
   if ((pid+"").match(/^\d+$/)){
      params['pid']=pid;
   } else {
      params['title']=pid;
   }
    dApi.call('pages.get',params,function(r){
      var data=r.response;
      if (!data.source) {
         alert('Nothing...');
         return;
      }
      var code=(data.source || "").replace(/<br>/gi,'\r\n');
      var box=vkAlertBox('Wiki-code','<h2>'+data.title+'</h2><textarea id="vk_wikicode_area" style="width:460px; height:300px;">'+code+'</textarea>');
      box.setOptions({width:'500px'});
   });
   return false;
}

vkGetWikiCode('id_страницы','id_группы');