$(document).ready(function() {
        $('ul.sf-menu').superfish({
            delay:       400,                            // one second delay on mouseout
            animation:   {opacity:'show',height:'show'},  // fade-in and slide-down animation
            speed:       'normal',                          // faster animation speed
            autoArrows:  false,                           // disable generation of arrow mark-up
            dropShadows: false                            // disable drop shadows
        });
		$(".callback_item a").addClass("lightwindow");
    });