$(document).ready(function(){
        
    $('#left_menu li a').click(function(){
       $this = $(this);
      
       $this.parent().toggleClass('curr_menu');
       $children  = $this.next('ul');
       $hasSub = ($children.length>0)?true:false;
        if($hasSub) 
        {
            $children.slideToggle('fast');
        
            return false;
        }
    });
    
    $('.acc_block h3 a').click(function(){
        $this = $(this);
        $this.parent().next().slideToggle('normal');
        return false;
        
    });
    
    
    $('.curr_menu_s').parent().show().parent().addClass('curr_menu');
     
});