function selectNext(obj)
{   
   var selected = obj.data('selected.tabs');   
   var next=selected+1;
   
   
   
   if(next>=$('#cBannersList li').length)
   {
      next=0;
   }
   
   $('#cBannersTabs').tabs('select', next);
   return false;
}

function selectPrevious(obj)
{
   var selected = obj.data('selected.tabs');
   var prev=selected-1;
   if(prev<=-1)
   {
      prev=$('#cBannersList li').length-1;
   }   
   $('#cBannersTabs').tabs('select', prev);
   return false;
}

$(document).ready(function(){ 
  
   var myTabs = $("#cBannersTabs").tabs({ fx: { opacity: 'toggle', duration: 'fast'}, cookie: { expires: 2 } }).tabs('rotate', 7000, true);        
   
   $('#next').click(function () {      
      selectNext(myTabs);
      return false;   
    });
    
    $('#previous').click(function () {       
      selectPrevious(myTabs); 
      return false;
    });
});