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

/* Helper Functions */

function getButtonHandler(menuName)
{
	iMenuNumber = menuName.charAt(menuName.length - 1);
	sButtonName = "button" + iMenuNumber;
	
	return sButtonName;
}

function changeButtonState(buttonID, state)
{
	if (document.getElementById) {
		oButton = document.getElementById(buttonID);

		sClassName = oButton.className;
		
		// keeps the selected menu items in "selected" state
		if (state == "on" && sClassName != "selected") {
			oButton.style.background = "#6D2B2B";
			oButton.style.backgroundImage = "none";
			oButton.style.color = "#EBBC6F";
		}

		// resets the menu item to "normal" state
		if (state == "off") {
			if (!oButton.className) {
				oButton.style.background = "none";
				oButton.style.backgroundImage = "none";
				oButton.style.color = "#FFF";
			}
		}
	}
}

/* End Helper Functions */

ypSlideOutMenu.Registry = []
ypSlideOutMenu.aniLen = 0
ypSlideOutMenu.hideDelay = 0
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.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
		var d = document
		var strCSS = '<style type="text/css">';
		strCSS += '#' + this.id + 'Container { visibility:hidden; '
		strCSS += 'left:' + left + 'px; '
		strCSS += 'top:' + top + 'px; '
		strCSS += 'overflow:hidden; z-index:10000; }'
		strCSS += '#' + this.id + 'Container, #' + this.id + 'Content { position:absolute; '
		strCSS += 'width:' + width + 'px; '
		strCSS += 'height:' + height + 'px; '
		strCSS += 'clip:rect(0 ' + width + ' ' + height + ' 0); '
		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 + "')")
		//set initial state
		this.endSlide()
	}
}

ypSlideOutMenu.showMenu = function(id)
{
	if (!document.layers) {
		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)
		}
		sButtonName = getButtonHandler(id);
		changeButtonState(sButtonName,"on");
	}
}

ypSlideOutMenu.hideMenu = function(id)
{
	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.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)
	
	sButtonName = getButtonHandler(id);
	changeButtonState(sButtonName,"off");
}

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 CompanyMenu = new ypSlideOutMenu("menu0", "left", 0, 0, 190, 64)
var SolutionsMenu = new ypSlideOutMenu("menu1", "left", 0, 24, 190, 180)
var ProductsMenu = new ypSlideOutMenu("menu2", "left", 0, 48, 190, 64)
var IndustriesMenu = new ypSlideOutMenu("menu3", "left", 0, 72, 190, 64)
var ServicesMenu = new ypSlideOutMenu("menu4", "left", 0, 96, 190, 64)
var PartnersMenu = new ypSlideOutMenu("menu5", "left", 0, 120, 190, 64)