function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

slideOutMenu.Registry = []
slideOutMenu.aniLen = 200
slideOutMenu.hideDelay = 500
slideOutMenu.minCPUResolution = 1

var userAgent = navigator.userAgent;
var clipwidth;
var clipheight;

// constructor
function slideOutMenu(id, left, top, width, height)
{
	this.ie  = document.all ? 1 : 0
	this.ns4 = document.layers ? 1 : 0
	this.dom = document.getElementById ? 1 : 0

	if (this.ie || this.ns4 || this.dom) {
		this.id			 = id
		this.width		 = width
		this.hideTimer	 = false
		this.aniTimer	 = false
		this.open		 = false
		this.over		 = false
		this.startTime	 = 0
		this.activeItems = -1

		// global reference to this object
		this.gRef = "slideOutMenu_"+id
		eval(this.gRef+"=this")

		// add this menu object to an internal list of all menus
		slideOutMenu.Registry[id] = this
		
		var d = document
		d.write('<style type="text/css">')
		d.write('.menuItems {position:absolute; visibility:hidden; WIDTH: 2000px; HEIGHT: 24px}'  );
		d.write('#' + this.id + 'Container { visibility:hidden; left:' + left + 'px; top:' + top + 'px; overflow: hidden; }')
		d.write('#' + this.id + 'Container, #' + this.id + 'Content { position:absolute; width:' + width + 'px; height:' + height + 'px; }')
		d.write('#' + this.id + 'Content { background-color: #BF0B22; }')		
		d.write('</style>')

		this.load()
	}
}

slideOutMenu.prototype.load = function() {
	var d = document
	var lyrId1 = this.id + "Container"
	var lyrId2 = this.id + "Content"
	var obj1 = this.dom ? d.getElementById(lyrId1) : this.ie ? d.all[lyrId1] : d.layers[lyrId1]
	if (obj1) 
		var obj2 = this.ns4 ? obj1.layers[lyrId2] : this.ie ? d.all[lyrId2] : d.getElementById(lyrId2)
	var temp

	if (!obj1 || !obj2) 
		window.setTimeout(this.gRef + ".load()", 100)
	else {
		this.container	= obj1
		this.submenu	= obj2
		this.style		= this.ns4 ? this.submenu : this.submenu.style
		this.homePos	= -this.width;
		this.outPos		= 0
		this.accelConst	= (this.outPos - this.homePos) / (slideOutMenu.aniLen * slideOutMenu.aniLen )

		// set event handlers.
		if (this.ns4)
			this.submenu.captureEvents(Event.MOUSEOVER | Event.MOUSEOUT);

		//set initial state
		this.endSlide()
	}
}

slideOutMenu.prototype.getItemsDiv = function( num )
{
	var id = this.id + "Items" + num;
	return this.ns4 ? this.submenu.layers[id] : this.ie ? document.all[id] : document.getElementById(id)
}

slideOutMenu.prototype.showHideItems = function( num, bShow )
{
	var itemsDiv = this.getItemsDiv( num );
	var s = this.ns4 ? itemsDiv : itemsDiv.style
	s.visibility = bShow ? "visible" : "hidden";
}

slideOutMenu.prototype.showItems = function( num )
{
	if( num != this.activeItems ) {
		if( this.activeItems != -1 )
			this.showHideItems( this.activeItems, false );
		this.showHideItems( num, true );
		this.activeItems = num;
	}
}
	
slideOutMenu.showMenu = function(id,itemsNum)
{
	var reg = slideOutMenu.Registry
	var obj = slideOutMenu.Registry[id]
	
	if (obj.container) {
		obj.showItems(itemsNum);
		
		obj.over = true

		// if this menu is scheduled to close, cancel it.
		if (obj.hideTimer) {
			reg[id].hideTimer = window.clearTimeout(reg[id].hideTimer) 
		}

		// if this menu is closed, open it.
		if (!obj.open && !obj.aniTimer) 
			reg[id].startSlide(true)
	}
}

slideOutMenu.hideMenu = function(id)
{
	// schedules the menu to close after <hideDelay> ms, which
	// gives the user time to cancel the action if they accidentally moused out
	var obj = slideOutMenu.Registry[id]
	   if (obj.container) {
		   if (obj.hideTimer) window.clearTimeout(obj.hideTimer)
		   obj.hideTimer = window.setTimeout("slideOutMenu.hide('" + id + "')", slideOutMenu.hideDelay);
	   }
}

slideOutMenu.hide = function(id)
{
	var obj = slideOutMenu.Registry[id]
	obj.over = false

	if (obj.hideTimer)
		window.clearTimeout(obj.hideTimer)
	
	// flag that this scheduled event has occured.
	obj.hideTimer = 0

	// if this menu is open, close it.
	if (obj.open && !obj.aniTimer) 
		obj.startSlide(false)
}

slideOutMenu.prototype.startSlide = function(open) {
	this.open = open
	if (open) this.setVisibility(true)
	this.startTime = (new Date()).getTime()	
	this.aniTimer = window.setInterval(this.gRef + ".slide()", slideOutMenu.minCPUResolution)
}

slideOutMenu.prototype.slide = function() {
	var elapsed = (new Date()).getTime() - this.startTime
	if (elapsed > slideOutMenu.aniLen) 
		this.endSlide()
	else {
		var d = Math.round(Math.pow(slideOutMenu.aniLen-elapsed, 1) * this.accelConst)
		d = this.open ? -d : -this.width + d		
		this.moveTo(d)
	}
}

slideOutMenu.prototype.endSlide = function() {
	this.aniTimer = window.clearTimeout(this.aniTimer)
	this.moveTo(this.open ? this.outPos : this.homePos)
	if (!this.open) 
		this.setVisibility(false)
	if ((this.open && !this.over) || (!this.open && this.over)) {
		this.startSlide(this.over)
	}
}

slideOutMenu.prototype.setVisibility = function(bShow) { 
	var s = this.ns4 ? this.container : this.container.style
	s.visibility = bShow ? "visible" : "hidden"
}
slideOutMenu.prototype.moveTo = function(p) { 
	this.style["top"] = this.ns4 ? p : (p) + "px"
}
slideOutMenu.prototype.getPos = function(c) {
	return parseInt(this.style[c])
}