var x = 0;
var box = $('.promoBox');
var shadowElements = $('.promoTitle, .promoDate, .promoBtn a img');
var shadow = false;
$(document).ready(function(){
    Promo();
	//castShadow();

})

function Promo(){

	
    if (x == box.length) {x = 0;}
	$.each(box, function(i,v) {
		if (i==x) {
			$(v).fadeIn('slow');
			if (isObject(shadowElements)) {
				shadowElements.redrawShadow();
			}
			setTimeout('box.fadeOut(\'slow\')', 5000);
		} else {
			$(v).hide();
		}
	});
    if (!shadow) {
		shadow = true;
	}
    x++;
    setTimeout('Promo()', 6000);
}

function castShadow() {
	shadowElements.dropShadow({
			left: 2,
			top: 2,
			blur: 2,
			opacity: 0.8
		}
	);
}