(function($){
$(document).ready(function(){
	$("#hbanner .hbcontent img").each(function(index){
		if($(this).attr("src").replace(/^\s*|\s*$/g,"") == "/site/home-banners/"){
			$($(this).parents("li")[0]).remove();
			$("#hbbtns li:last-child").remove();
		}
	});
		
	//BannerHandler class:
	function BannerHandler(init_banner,interval){
		id_timeout = null;
		this.current_banner = init_banner || 0;
		this.time_interval = interval || 7000;
		this.banners = $("#hbanner .hbcontent li").length;
		this.changeBanner(this.current_banner);
	}
	
	/* 
 	 * Changes the displayed banner to the one specified in int_banner_number
 	 * and the corresponding button status.
 	 */
	BannerHandler.prototype.changeBanner = function(int_banner_number){
		this.current_banner = int_banner_number;
		$("#hbbtns li").removeClass("active");
		$($("#hbbtns li").get(int_banner_number)).addClass("active");		
		$("#hbanner .hbcontent li.active").removeClass("active").css("zIndex",1);
		$($("#hbanner .hbcontent li").get(int_banner_number)).addClass("active").css("zIndex",2).fadeTo(1200, 1, function(){
			$('#hbanner .hbcontent li:not(.active)').fadeTo(0, 0);
		});
	}
	
	/*
	 * next() function
	 * 
	 * Displays the next banner, or the first one if the last banner is already being displayed.
	 */
	BannerHandler.prototype.next = function(){
		this.changeBanner((this.current_banner == this.banners - 1)? 0 : this.current_banner + 1);
	}
	 
	/*
	 * prev() function
	 * 
	 * Displays the previous banner, or the last one if the first banner is already being displayed.
	 */
	BannerHandler.prototype.prev = function(){
		this.changeBanner((this.current_banner == 0)? this.banners - 1 : this.current_banner - 1);
	}
	
	BannerHandler.prototype.play = function(){
		clearInterval(id_timeout);
		_banner = this;
		function chgBanner(){
			_banner.next()
		}
		id_timeout = setInterval(chgBanner,this.time_interval);
	}
	
	BannerHandler.prototype.stop = function(){
		clearInterval(id_timeout);
	}
	
	//Banner initialization:
	if($("#hbbtns li").length > 1){
		var banner = new BannerHandler(0,7000);
		
		//Click handler for right buttons
		$("#hbbtns li").each(function(i){
   			$(this).attr("id",i + "-banner-button")
			$(this).click(function(){
				var button_index = parseInt($(this).attr("id"));
				banner.stop();
				banner.changeBanner(button_index);
				banner.play();
			});
		});
		banner.play();
	}else{
		$("#hbbtns").remove();
	}
});
})(jQuery)