$(function() {
    /**
    * for each menu element, on mouseenter, 
    * we enlarge the image, and show both sdt_active span and 
    * sdt_wrap span. If the element has a sub menu (sdt_box),
    * then we slide it - if the element is the last one in the menu
    * we slide it to the left, otherwise to the right
    */
    $('#sdt_menu > li').bind('mouseenter',function(){
        var $elem = $(this);
        $elem.find('img')
             .stop(true)
             .animate({
                'width':'170px',
                'height':'170px',
                'left':'0px'
             },400,'easeOutBack')
             .andSelf()
             .find('.sdt_wrap')
             .stop(true)
             .animate({'top':'140px'},500,'easeOutBack')
             .andSelf()
             .find('.sdt_active')
             .stop(true)
             .animate({'height':'170px'},300,function(){
            var $sub_menu = $elem.find('.sdt_box');
            if($sub_menu.length){
                var left = '170px';
                if($elem.parent().children().length == $elem.index()+1)
                    left = '-170px';
                $sub_menu.show().animate({'left':left},200);
            }	
        });
    }).bind('mouseleave',function(){
        var $elem = $(this);
        var $sub_menu = $elem.find('.sdt_box');
        if($sub_menu.length)
            $sub_menu.hide().css('left','0px');
        
        $elem.find('.sdt_active')
             .stop(true)
             .animate({'height':'0px'},300)
             .andSelf().find('img')
             .stop(true)
             .animate({
                'width':'0px',
                'height':'0px',
                'left':'85px'},400)
             .andSelf()
             .find('.sdt_wrap')
             .stop(true)
             .animate({'top':'25px'},500);
    });
});