function getRadioGroupValue(radioGroupObj)
    {
      for (var i=0; i < radioGroupObj.length; i++)
        if (radioGroupObj[i].checked) return radioGroupObj[i].value;

      return null;
    }
    
    function showResult(p1,p2,p3,p4)
    {
        var myFx = new Fx.Tween($('vot_res_1'));
        myFx.start('width', '0', p1+'%');  
        var myFx = new Fx.Tween($('vot_res_2'));
        myFx.start('width', '0', p2+'%');  
        var myFx = new Fx.Tween($('vot_res_3'));
        myFx.start('width', '0', p3+'%');  
        var myFx = new Fx.Tween($('vot_res_4'));
        myFx.start('width', '0', p4+'%');  
    }
    
    function setVotes()
    {
        var votesId = getRadioGroupValue(document.votes.vote_id);
        if (votesId != 1 && votesId != 2 && votesId != 3 && votesId != 4)
         {
           alert('Selecciona una opcion por favor');
           return;
         }                
        $('view_22').setStyles({ 'display' : 'block'});         
        var url = liveSite + 'index.php?ajax_action=votes_set&vote_id='+votesId;
        var request = new Request({url: url, 
        onComplete: function(response) 
        {
            var resArr = response.split(":+++:");
            $('view_22').setStyles({ 'display' : 'none'}); 
            $('votes_block').set('html',resArr[0]);
            showResult(resArr[1],resArr[2],resArr[3],resArr[4]);
        }
        }).get();
  
    }