$j(document).ready(function() {
	// preload the images
	function preload(imgs) { 
		var tmp = null; 
		for (var j = 0; j < imgs.length; j++) { 
			tmp = imgs[j]; 
			imgs[j] = new Image(); 
			imgs[j].src = tmp; 
		} 
	}
	void(preload(imgHomeCollection));
	
	var img = $j("#bgHome");
	var ddcontent;
	var queueSlide;
	$j(".menu").children(".dropdown").mouseenter(function() {
		ddcontent = $j(this).children(".ddcontent");
		$j(".ddcontent").slideUp(400); //utile pour remonter les autre menu en cas de mouvement rapide
		if (ddcontent.queue().length < 2) {
			ddcontent.slideDown(400);
			
			if (img != null) {
				img.clearQueue();
				img.css("opacity", "0.1");
				img.attr("src", imgHomeCollection[Number($j(this).attr("id").replace(/menu/, ""))].src); 
				img.fadeTo(1500, 1 );
			}
		}
	});
	
	$j(".menu").children(".dropdown").mouseleave(function() {
		ddcontent = $j(this).children(".ddcontent");
		if (ddcontent.queue().length < 2) {
			ddcontent.slideUp(400);
			if (img != null) {
				img.clearQueue();
				img.css("opacity", "0.1");
				img.attr("src", imgHomeCollection[0].src); 
				img.fadeTo(1500, 1 );
			}
		}
	});
});