function getEltDim(id,whichDim) {
	var whichElt = document.getElementById(id);
	if (whichElt) {
		var div = new Object();
		div.width  = whichElt.offsetWidth;
		div.height = whichElt.offsetHeight;
		
		if( whichDim == "height" )
			return div.height;
		else if( whichDim == "width" )
			return div.width;
		else if( !div.width && ! div.height )
			return false;
		
		//alert('width: ' + div.width + ' | height: ' + div.height);
	}
}

/******************************************************
                      CART SLIDER
*******************************************************/

ypSlideOutMenu.Registry=[];
ypSlideOutMenu.aniLen=250;
ypSlideOutMenu.hideDelay=500;
ypSlideOutMenu.minCPUResolution=10;

function ypSlideOutMenu(id, dir, 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.dir		= dir
		this.orientation = dir == "left" || dir == "right" ? "h" : "v"
		this.dirType	 = dir == "right" || dir == "down" ? "-" : "+"
		this.dim		= this.orientation == "h" ? width : height
		this.hideTimer	 = false
		this.aniTimer	 = false
		this.open	 = false
		this.over	 = false
		this.startTime	 = 0

		this.gRef = "ypSlideOutMenu_"+id
		eval(this.gRef+"=this")

		ypSlideOutMenu.Registry[id] = this
		
		if( OS == "Windows" && (browser == "Netscape" || browser == "Opera") )
			newheight = height;
		else
			newheight = getEltDim(this.id + "Content","height")
		
		var d = document
		d.write('<style type="text/css">')
		d.write('#' + this.id + 'Container { visibility:hidden; ')
		d.write('z-index:65; ')
		d.write('top:' + top + 'px; ')
		d.write('min-height: 600px; ')
		d.write('overflow:hidden; }')
		d.write('#' + this.id + 'Container, { ')
		d.write('width:' + width + 'px; ')
		d.write('height:' + newheight + 'px; ')
		d.write('float:left; ')
		d.write('clip:rect(0px, ' + (width+20) + 'px, ' + newheight + 'px, 0px); ')
		d.write('}')
		d.write('#' + this.id + 'Content { position:absolute; ')
		d.write('width:' + width + 'px; ')
		d.write('height:' + (newheight-6) + 'px; ')
		d.write('clip:rect(0px, ' + (width+20) + 'px, ' + newheight + 'px, 0px); ')
		d.write('}')
		d.write('</style>')

		this.load()
	}
}

ypSlideOutMenu.prototype.init = function(id, dir, 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.dir		= dir
		this.orientation = dir == "left" || dir == "right" ? "h" : "v"
		this.dirType	 = dir == "right" || dir == "down" ? "-" : "+"
		this.dim		= this.orientation == "h" ? width : height
		this.hideTimer	 = true
		this.aniTimer	 = true
		this.open	 = true
		this.over	 = false
		this.startTime	 = 0

		this.gRef = "ypSlideOutMenu_"+id
		eval(this.gRef+"=this")

		ypSlideOutMenu.Registry[id] = this
		
		newheight = getEltDim(this.id + "Content","height")
		
		var d = document
		var lyrId1 = this.id + "Container"
		var lyrId2 = this.id + "Content"
		var obj1 = this.ie ? d.all[lyrId1] : this.dom ? d.getElementById(lyrId1) : d.layers[lyrId1]
		if (obj1) var obj2 = this.ns4 ? obj1.layers[lyrId2] : this.ie ? d.all[lyrId2] : d.getElementById(lyrId2)
		
		this.container	= obj1
		this.menu	= obj2
		this.style	= this.ns4 ? this.menu : this.menu.style
		
		this.container.style.visibility = 'hidden'
		this.container.style.position = 'absolute'
		this.container.style.overflow = 'hidden'
		this.container.style.top = top
		this.container.style.height = newheight
		this.style.position = 'absolute'
		this.style.width = width
		this.style.height = newheight-6
		this.style.clip = 'rect(0px, ' + (width + 20) + 'px, ' + newheight + 'px, 0px)'
		
		this.homePos	= eval("0" + this.dirType + this.dim)
		this.outPos	= 0
		this.accelConst	= (this.outPos - this.homePos) / ypSlideOutMenu.aniLen / ypSlideOutMenu.aniLen
	
		this.load();
	}
}

ypSlideOutMenu.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.menu	= obj2
		this.style	= this.ns4 ? this.menu : this.menu.style
		this.homePos	= eval("0" + this.dirType + this.dim)
		this.outPos	= 0
		this.accelConst	= (this.outPos - this.homePos) / ypSlideOutMenu.aniLen / ypSlideOutMenu.aniLen
		
		if (this.ns4) this.menu.captureEvents(Event.MOUSEOVER | Event.MOUSEOUT);

		this.endSlide()
	}
}

ypSlideOutMenu.showMenu = function(id){
	if( isLoaded ) {
		var reg = ypSlideOutMenu.Registry
		var obj = ypSlideOutMenu.Registry[id]
	
		if (obj.container) {
			obj.over = true
	
			if (obj.hideTimer) { reg[id].hideTimer = window.clearTimeout(reg[id].hideTimer) }
	
			if (!obj.open && !obj.aniTimer) reg[id].startSlide(true)
		}
	}
}

ypSlideOutMenu.hideMenu = function(id){
	if( isLoaded ) {
		var obj = ypSlideOutMenu.Registry[id]
		if (obj.container) {
			if (obj.hideTimer) window.clearTimeout(obj.hideTimer)
			obj.hideTimer = window.setTimeout("ypSlideOutMenu.hide('" + id + "')", ypSlideOutMenu.hideDelay);
		}
	}
}

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

	if (obj.hideTimer) window.clearTimeout(obj.hideTimer)

	obj.hideTimer = 0

	if (obj.open && !obj.aniTimer) obj.startSlide(false)
}

ypSlideOutMenu.prototype.startSlide = function(open) {
	this[open ? "onactivate" : "ondeactivate"]()
	this.open = open
	if (open) this.setVisibility(true)
	this.startTime = (new Date()).getTime()
	this.aniTimer = window.setInterval(this.gRef + ".slide()", ypSlideOutMenu.minCPUResolution)
}

ypSlideOutMenu.prototype.slide = function() {
	var elapsed = (new Date()).getTime() - this.startTime
	if (elapsed > ypSlideOutMenu.aniLen) this.endSlide()
	else {
		var d = Math.round(Math.pow(ypSlideOutMenu.aniLen-elapsed, 2) * this.accelConst)
		if (this.open && this.dirType == "-")		d = -d
		else if (this.open && this.dirType == "+")	d = -d
		else if (!this.open && this.dirType == "-")	d = -this.dim + d
		else						d = this.dim + d

		this.moveTo(d)
	}
}

ypSlideOutMenu.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)
	}
}

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

ypSlideOutMenu.prototype.onactivate	= function() { }
ypSlideOutMenu.prototype.ondeactivate	= function() { }