vk upload photo by url

function vkURLUploadPhoto(url){
   if (!url) url=prompt('Image URL');
   AjGet('http://vk.com/wall'+vk.id+'?offset=100000000',function(r,t){
      var o=(t.match(/"share":(\{[^}]+\})/)||[])[1];
      if (!o) {alert('hash error'); return;}
      o=eval('('+o+')');
      //alert(o.timehash);
      re(ge('vk_url_upldr_form'));
      checkURLForm = ce('div', {url:'vk_url_upldr_form', innerHTML: '<iframe name="vk_url_upldr_form_iframe"></iframe>'});
      utilsNode.appendChild(checkURLForm);
      var parseForm = checkURLForm.appendChild(ce('form', {
        action: 'share.php?act=url_attachment',
        method: 'post',
        target: 'vk_url_upldr_form_iframe'
      }));

      each({hash: o.timehash || '', index: 1, url: url}, function(i, v) {
        parseForm.appendChild(ce('input', {type: 'hidden', name: i, value: v}));
      });

      window.onUploadDone = function(data){
         showPhoto(data[1],data[2].list,{});
         console.log(data);
      }
      window.onUploadFail = function(){alert('Upload Fail')}

      parseForm.submit();
   })
}
vkURLUploadPhoto('http://savepic.ru/3860219.png');