// JavaScript Document
var arr_banner = Array();
var banner_i = -1;
var bannerChangeTime = 1000;
var bannerDelayTime = 5000;
var banneract;
window.addEvent("domready", function(){
	if ($("mr_logoitem")) {
		var img = $("mr_logoitem").getElements("img")[0];
		
		if (arr_banner.length > 0) {
			for(i = 0; i < arr_banner.length; i++ ) {
				img.set("src", arr_banner[i][0]);
			}	
		}
		img.set("src","");					 
		hideBanner();
	}
});

function hideBanner(){
	clearInterval(banneract);
	var img = $("mr_logoitem").getElements("img")[0];
	var a = $("mr_logoitem").getElements("a")[0];
	
	img.set("tween", {
		duration: bannerChangeTime,
		onComplete: function(){
			banner_i += 1;
			if (banner_i >= arr_banner.length) {
				banner_i = 0;
			}
			var arr = arr_banner[banner_i];
			img.set("src",arr[0]);
			a.set("href",arr[1]);
			img.set("tween", {
				duration: bannerChangeTime,
				onComplete: function(){
					banneract = setInterval(hideBanner,bannerDelayTime );
				}
			}).tween("opacity","1");
		}
	}).tween("opacity","0");
}