multiSlideOutMenu.Registry = []

multiSlideOutMenu.aniLen = 300

multiSlideOutMenu.hideDelay = 1000

multiSlideOutMenu.minCPUResolution = 1

multiSlideOutMenu.topMargin = 0

multiSlideOutMenu.leftMargin = 0

multiSlideOutMenu.itemHeight = 25

// constructor

function multiSlideOutMenu(id, dir, parent_id, item_index)

{	

	//alert("id:"+id+" dir:"+dir+" paren_id:"+parent_id+" item_index:"+item_index)

	this.childs = []

	

	// global reference to this object

	this.gRef = "multiSlideOutMenu_"+id

	eval(this.gRef+"=this")

	// add this menu object to an internal list of all menus

	multiSlideOutMenu.Registry[id] = this

	

	// if its root, no further initialation

	if (!parent_id) {

		return;

	}

	

	// hierarchy

	this.parent = multiSlideOutMenu.Registry[parent_id]

	this.parent.childs[this.parent.childs.length] = this

	

	

	var content = getObjectById(id + "Content")

	this.index = item_index

	this.left = (content.clientLeft) ? content.clientLeft : 0

	this.top = (content.clientTop) ? content.clientTop : 0 

	this.width = content.clientWidth + 2

	this.height = content.clientHeight + 2

	

	// root menu positioning

	if (!this.parent.parent) {

		this.top += 0; 

	}

	

	// sub menu positioning

	else {

		this.left = multiSlideOutMenu.leftMargin + this.parent.left + this.parent.width

		this.top = multiSlideOutMenu.topMargin + this.parent.top  + (multiSlideOutMenu.itemHeight * this.index

)

	}

	

	this.ie  = document.all ? 1 : 0

	this.ns4 = document.layers ? 1 : 0

	this.dom = document.getElementById ? 1 : 0

	//alert("ie:"+this.ie+" ns4:"+this.ns4+" dom:"+this.dom)

	

	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" ? this.width : this.height

		this.hideTimer	 	= false

		this.aniTimer	 	= false

		this.open		 	= false

		this.over		 	= false

		this.startTime	 	= 0

		

		var d = document

		

		var strCSS = '<style type="text/css">';

		strCSS += '#' + this.id + 'Container { '

		strCSS += 'left:' + this.left + 'px; '

		strCSS += 'top:' + this.top + 'px; '

		strCSS += '}'

		strCSS += '#' + this.id + 'Container, #' + this.id + 'Content { '

		strCSS += 'width:' + this.width + 'px; '

		strCSS += 'height:' + this.height + 'px; '

		strCSS += 'clip:rect(0 ' + this.width + ' ' + this.height + ' 0); '

		strCSS += '}'

		strCSS += '</style>';

		d.write(strCSS)

		this.load()

	}

}

multiSlideOutMenu.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) / multiSlideOutMenu.aniLen / multiSlideOutMenu.aniLen

 

		// set event handlers.

		if (this.ns4) this.menu.captureEvents(Event.MOUSEOVER | Event.MOUSEOUT);

		this.menu.onmouseover = new Function("multiSlideOutMenu.showMenu('" + this.id + "')")

		this.menu.onmouseout = new Function("multiSlideOutMenu.hideMenu('" + this.id + "')")

		//set initial state

		this.endSlide()

	}

}

	

multiSlideOutMenu.showMenu = function(id)

{

	var reg = multiSlideOutMenu.Registry

	var obj = multiSlideOutMenu.Registry[id]

	//alert(obj) 

	if (obj.container) {

		obj.over = true

			

		

		// close other same level menus

		var count = obj.parent.childs.length

		for (var i = 0 ; i < count ; i++) {

			var menu = obj.parent.childs[i]

			if (id != menu.id) {

				multiSlideOutMenu.hide(menu.id)

			}

		}

		// if this menu is scheduled to close, cancel it.

		if (obj.hideTimer) { reg[id].hideTimer = window.clearTimeout(reg[id].hideTimer) }

		

		// and show its parent

		if (obj.parent.parent) {

			multiSlideOutMenu.showMenu(obj.parent.id);

		}

		// if this menu is closed, open it.

		if (!obj.open && !obj.aniTimer) {

			reg[id].startSlide(true)

		}

	}

}

multiSlideOutMenu.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 = multiSlideOutMenu.Registry[id]

	

	// check if its child items are closed

	var count = obj.childs.length;

	for (var i = 0 ; i < count ; i++) {

		if (obj.childs[i].open && obj.childs[i].hideTimer == 0) {

			return;

		}

	}

	

	// schedule item it self for closing

	if (obj.container) {

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

		obj.hideTimer = window.setTimeout("multiSlideOutMenu.hide('" + id + "')", multiSlideOutMenu.hideDelay

);

	}

	

	// schedule its parent for closing

	if (obj.parent.parent) {

		multiSlideOutMenu.hideMenu(obj.parent.id);

	}

	

}

multiSlideOutMenu.hide = function(id)

{

	var obj = multiSlideOutMenu.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 and its childs.

	if (obj.open && !obj.aniTimer) {

		var count = obj.childs.length

		for (var i = 0 ; i < count ; i++) {

			multiSlideOutMenu.hide(obj.childs[i].id);

		}

		obj.startSlide(false);

	}

}

multiSlideOutMenu.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()", multiSlideOutMenu.minCPUResolution)

}

multiSlideOutMenu.prototype.slide = function() {

	var elapsed = (new Date()).getTime() - this.startTime

	if (elapsed > multiSlideOutMenu.aniLen) this.endSlide()

	else {

		var d = Math.round(Math.pow(multiSlideOutMenu.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)

	}

}

multiSlideOutMenu.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)

	}

}

multiSlideOutMenu.prototype.setVisibility = function(bShow) { 

	var s = this.ns4 ? this.container : this.container.style

	if (bShow) {

		s.visibility = "visible";

		s.zIndex = 10000;

		s.display = '';

	} else {

		s.visibility = "hidden";

		s.zIndex = 0;

		s.display = 'none'

	}

}

multiSlideOutMenu.prototype.moveTo = function(p) { 

	this.style[this.orientation == "h" ? "left" : "top"] = this.ns4 ? p : p + "px"

}

multiSlideOutMenu.prototype.getPos = function(c) {

	return parseInt(this.style[c])

}

// events

multiSlideOutMenu.prototype.onactivate		= function() { }

multiSlideOutMenu.prototype.ondeactivate	= function() { }
