//initialize slider
$(document).ready(function(){
	function disableZIndexBeforeStart() {
		$("#slider_content").css({zIndex: '-1'});
	}
	
	function enableZIndexAfterEnd() {
		$("#slider_content").css({zIndex: '1'});
	}
	
	if ($("#slider_content .jCarousel li").size() > 3) {
		$("#slider_content .jCarousel").jCarouselLite({
			btnNext: "#slider_wrapper .next",
			btnPrev: "#slider_wrapper .prev",
			speed: 1000,
			easing: 'swing',
			pauseOnHover: true,
			beforeStart: disableZIndexBeforeStart,
			afterEnd: enableZIndexAfterEnd,
			auto: 15000
		});
	}
})