var most_popular_interval;
    var clear = true;
    
    function switch_tabs()
    {
      var nonactive = $("div#most_popular div ul.tabs li").not(".ui-state-active").not(".commented-tab").find('a');
      
      clear = false;
      nonactive.click();
    }

    function clear_most_popular_interval()
    {
		if (clear)
			clearInterval (most_popular_interval);
			
		clear = true;
    }
    
	$(document).ready(function () {	

		$('div#most_popular_tabs').tabs({ fx: { opacity: 'toggle' } });	
		$('div.secondary_tabs').tabs({ fx: { opacity: 'toggle' } });
			
		most_popular_interval = setInterval ("switch_tabs()", 7000);
		
	});