// JavaScript Document

//jQuery.noConflict();
jQuery(document).ready(function() {
	if (jQuery("#TopNews").length) {
		m=new Shower(jQuery("#TopNews"));
	}
});

Shower=function (ths) {
	this.Items=new Array();
	this.HTMLObject = jQuery(ths);
	this.CurrentIndex=-1;
	this.HTMLObject.addClass("Shower");
	var self=this;
	
	jQuery("#Items > .Item", this.HTMLObject).each(function() {
		Item = { Title: jQuery('a:first', this), Image: jQuery('img:first', this), Summary: jQuery('.Summary:first', this), Button: null, Link: jQuery('a:first', this)[0].href};
		self.Items.push(Item);
		jQuery(this).remove();
	});
	this.Count=this.Items.length;
	jQuery("#Items", this.HTMLObject).remove();
	
	this.Buttons=jQuery(document.createElement("ul"));
	this.Buttons.addClass("Buttons");
	for (var x=0; x < this.Items.length; x++) {
		Item=this.Items[x];
		Item.Button = jQuery(document.createElement("li"));
		Item.Button.attr('ButtonIndex', x);
		Item.Button.click(function () {
			i=parseInt(jQuery(this).attr('ButtonIndex'));
			o = self.Status;
			self.Pause();
			self.Show(i);
			if (o==1) self.Play();
			
		});
		Item.Button.html( Item.Title.html() );
		if (x==0) Item.Button.addClass('first');
		else if (x==this.Items.length - 1) Item.Button.addClass('last');
		this.Buttons.append(Item.Button);
	}
	
	this.Display = jQuery(".Display", this.HTMLObject);
	if (this.Display.length==0) {
		this.Display=jQuery(document.createElement("div"));
		jQuery(this.Display).addClass("Display");
	}
	
	this.Proxy = jQuery(".Proxy", this.HTMLObject);
	if (this.Proxy.length == 0) {
		this.Proxy=jQuery(document.createElement("div"));
		this.Proxy.addClass("Proxy");
	}
	this.Proxy.hide();
	jQuery(this.HTMLObject).append(this.Display).append(this.Buttons); //.append('<div class="clearfloat"></div>');
	
	this.Text=jQuery(document.createElement("div"));
	this.Text.addClass("Text");
	jQuery(this.Display).append(this.Proxy).append(this.Text);
	
	/*
	Buttons=document.createElement("div");
	Display=document.createElement("div");
	jQuery(ths).append(Buttons).append(Display);
	jQuery(Buttons, ths).addClass("Buttons");
	jQuery(Display, ths).addClass("Display");
	for (x=0; x<this.Count; x++) {
		Button=document.createElement("div");
		jQuery(Buttons, ths).append(Button);
		jQuery(Button).html(this.Titles[x]);
	}
	//jQuery(Buttons, ths).append(jQuery("#Title", ths).addClass("Button"));
	*/ 
	this.HTMLObject.removeClass("nojavascript");
	this.Show(0);
	this.Play();
	this.Display.hover (function () {
			self.Pause();
		}, function () {
			self.Play();
		}
	);
}

Shower.prototype={
	Play:function() {
		this.Status = 1;
		this.Timer=new CTimer(this.Next, 6000, {Scope: this});
	},
	Show:function(x) {
		oldX = this.CurrentIndex;
		if (x == oldX) return;
		this.CurrentIndex = x;
		var self=this;
		function Show2() {
			Item=self.Items[self.CurrentIndex];
			jQuery(self.Proxy).html(Item.Image);
			jQuery(self.Proxy).fadeIn("fast");
			jQuery(Item.Button).addClass("Selected");
			self.Text.html(Item.Summary);
			l = jQuery(".Summary", self.Text).height();
			//l=self.Text.height();
			//alert(l);
			
			jQuery(self.Text).animate({ 
				height: "" + l + "px"
			}, "fast");
		}
		if (oldX >= 0) {
			jQuery(this.Items[oldX].Button).removeClass("Selected");
			jQuery(this.Proxy).fadeOut("fast", Show2);
			jQuery(this.Text).animate({ 
				height: "00px"
			}, "fast");
		} else {
			Show2();
		}
	},
	Prev:function() {
		i = (this.CurrentIndex == 0?this.Count-1:this.CurrentIndex-1);
		this.Show(i);
	},
	Next:function() {
		i=(this.CurrentIndex+1) % this.Count;
		this.Show(i);
	},
	Pause: function () {
		this.Status = 0;
		this.Timer.Pause();
	}
}

CTimer=function (Callback, Interval, Params) {
	this.Interval=Interval;
	this.Params=Params;
	this.Callback=Callback;
	this.Start();
}

CTimer.prototype={
	Start: function() {
		if (this.Enabled()) {
			return;
		}
		var self=this;
		this.TimerId=setInterval(function () {
			if (self.Params.Scope) {
				scope=self.Params.Scope;
				scope._cbFunc=self.Callback;
				scope._brFunc=function (x,y,z) {
					this._cbFunc(x,y,z);
				}
				scope._brFunc(self.Params, self, this);
			} else {
				self.Callback(self.Params, self, this);
			}
		}, this.Interval);
	},
	Pause: function () {
		if (this.TimerId != 0) {
			clearInterval(this.TimerId);
			TimerId=0;
		}
	},

	ResetInterval: function (NewInterval) {
		this.Interval=NewInterval;
		if (this.Enabled()) {
			this.Pause();
			this.Start();
		}
	},
	Enabled:function () {
		return this.TimerId?true:false;
	}
}