/*****************************************************
* ypSlideOutMenu
* 3/04/2001
* --youngpup--
*****************************************************/

IS_DOM = (document.getElementById) ? true : false;
IS_IE = (document.all) ? true : false;
IS_MOZ = (IS_DOM && !IS_IE);

/* Helper Functions */
function btnOn(sLinkId) {
	var oLink = getThis(sLinkId);
	if (oLink.parentNode.id != sSelectedButton) {
		oLink.className = "dhtml";
	}
}
function btnOff(sLinkId) {
	var oLink = getThis(sLinkId);
	if (oLink.parentNode.id != sSelectedButton) {
		oLink.className = "";
	}
}

ypSlideOutMenu.Registry = []
ypSlideOutMenu.aniLen = 10 // time before menu goes away (in milliseconds)
ypSlideOutMenu.minCPUResolution = 10
// constructor
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.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
		var d = document
		// revised CSS to clean it up and improve adjustability
		var strCSS = '<style type="text/css">';
		strCSS += '#' + this.id + 'Container { '
		strCSS += 'left:' + left + 'px; '
		strCSS += 'top:' + top + 'px; '
		strCSS += 'width:' + width + 'px; '
		strCSS += 'overflow:hidden;}'
		strCSS += '#' + this.id + 'Container, #' + this.id + 'Content { '
		strCSS += '}'
		strCSS += '</style>'
		d.write(strCSS)
		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 
		// set event handlers.
		if (this.ns4) this.menu.captureEvents(Event.MOUSEOVER | Event.MOUSEOUT);
		this.menu.onmouseover = new Function("ypSlideOutMenu.showMenu('" + this.id + "')")
		this.menu.onmouseout = new Function("ypSlideOutMenu.hideMenu('" + this.id + "')")
		this.menu.onclick = new Function("ypSlideOutMenu.hideMenu('" + this.id + "')")
		//set initial state
		this.endSlide()
	}
}

ypSlideOutMenu.showMenu = function(id)
{
	if (IS_DOM) {
		var reg = ypSlideOutMenu.Registry
		var obj = ypSlideOutMenu.Registry[id]
		if (obj.container) {
			obj.over = true
			for (menu in reg) if (id != menu) ypSlideOutMenu.hide(menu)
			if (obj.hideTimer) { reg[id].hideTimer = window.clearTimeout(reg[id].hideTimer) }
			if (!obj.open && !obj.aniTimer) reg[id].startSlide(true)
			
			// turn on button
			btnOn(id);
		}
	}
}

ypSlideOutMenu.hideMenu = function(id) {
  if (IS_DOM) {
	  var obj = ypSlideOutMenu.Registry[id]
	  if (obj.container) {
	    ypSlideOutMenu.hide(id);
		// turn button off
		btnOff(id);
	  }
  }
}

ypSlideOutMenu.hideAll = function()
{
	var reg = ypSlideOutMenu.Registry
	for (menu in reg) {
	ypSlideOutMenu.hide(menu);
	if (menu.hideTimer) window.clearTimeout(menu.hideTimer);
	}
}

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
	}
}

ypSlideOutMenu.prototype.endSlide = function() {
	this.aniTimer = window.clearTimeout(this.aniTimer)
	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.getPos = function(c) {
	return parseInt(this.style[c])
}

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


// menu object = function call (name, alignment, x position, y position, width, height
var menu1 = new ypSlideOutMenu("menu1", "left", 391, 114, 179, 76)
var menu2 = new ypSlideOutMenu("menu2", "left", 491, 114, 179, 76)
var menu3 = new ypSlideOutMenu("menu3", "left", 584, 114, 179, 76)
var menu4 = new ypSlideOutMenu("menu4", "left", 746, 114, 179, 76)
var menu5 = new ypSlideOutMenu("menu5", "left", 770, 114, 179, 76)