document.addEvent('domready',function(){
	if($defined($('nav'))){
	    var expander = new Accordion($('nav').getElements('dt'), $('nav').getElements('dd'),{
	        alwaysHide: true,
	        show: -1,
	        onActive:function(tog,drop){tog.getElement('b').addClass('clicked');},
	        onBackground:function(tog,drop){tog.getElement('b').removeClass('clicked');}
	    });
	}
    var blockSize;
    $$('div.tab_content').each(function(tabDiv,nTab,arTab){    
        if (nTab == 0 ){    
            blockSize = tabDiv.getSize();
            var sBar = new CustomBar(tabDiv,{});
        }else{
            var sBar = new CustomBar(tabDiv,{size: blockSize});
        }
    })
});