/*****************************************************
 * ypSlideOutMenu
 * 3/04/2001
 *
 * a nice little script to create exclusive, slide-out
 * menus for ns4, ns6, mozilla, opera, ie4, ie5 on
 * mac and win32. I've got no linux or unix to test on but
 * it should(?) work...
 *
 * --youngpup--

 * revision 24/04/2006 - Multi level -
 *****************************************************/

ypSlideOutMenu.sauv = ""
ypSlideOutMenu.Registry = []
ypSlideOutMenu.aniLen = 100
ypSlideOutMenu.hideDelay = 500
ypSlideOutMenu.minCPUResolution = 10


//	new ypSlideOutMenu("menu2","","down",970,33,150,500);
// constructor
function ypSlideOutMenu(id, _parent,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._parent	 = _parent
		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.level = this._parent ? ypSlideOutMenu.Registry[this._parent].level+1 : 0;
		
		// global reference to this object
		this.gRef = "ypSlideOutMenu_"+id
		eval(this.gRef+"=this")

		// add this menu object to an internal list of all menus
		ypSlideOutMenu.Registry[id] = this
		var d = document
		if(this.ie){}
                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; '
		if (this.ie) strCSS += 'clip:rect(0 ' + width + ' ' + height + ' 0); '
		strCSS += '}'
                strCSS += '#' + this.id + 'Content { '
		strCSS += 'left:0px; '
		strCSS += 'top:0px; '
		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
				
		obj1.style.height = obj2.offsetHeight + 'px';
		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.show('" + this.id + "')")
		this.menu.onmouseout = new Function("ypSlideOutMenu.hide('" + this.id + "')")

		subitem = this.menu.getElementsByTagName('li');
		for (var k=0;k<subitem.length;k++)
		{
			addAnEvent(subitem.item(k),'mouseover',changecolor);
			addAnEvent(subitem.item(k),'mouseout',restorecolor);
		}
		
		//set initial state
		this.endSlide()
	}
}

function addAnEvent( target, eventName, functionName ) 
{ 
   // apply the method to IE 
   if ( browser.isIE ) 
   { 
       //attachEvent dont work properly with this 
       eval('target.on'+eventName+'=functionName'); 
   } 
   // apply the method to DOM compliant browsers 
   else 
   { 
       target.addEventListener( eventName , functionName , true ); // true is important for Opera7 
   } 
} 


function changecolor() 
{ 
   // Change la couleur
   this.style.background = '#C6E3FE';
} 

function restorecolor() 
{ 
   // Change la couleur
   this.style.background = '#F7F8F8';
} 
	
ypSlideOutMenu.show = function(id)
{	
	var reg = ypSlideOutMenu.Registry
	var obj = ypSlideOutMenu.Registry[id];

	//alert(id);
	// close other submenus.
	for (idmenu in reg)
	{ 
		if (id == idmenu || reg[idmenu].level != obj.level)
		{
			// if this menu is scheduled to close, cancel it.
			if (id == idmenu || reg[idmenu].level < obj.level)
			{
			if (reg[idmenu].hideTimer && reg[idmenu].container) { reg[idmenu].hideTimer = window.clearTimeout(reg[idmenu].hideTimer) }	
			}
		}
		else
			ypSlideOutMenu.hideMenu(idmenu);
	}
	
	if (obj.container)
	{
		obj.over = true
		
		if(obj._parent)
			reg[obj._parent].menu.onmouseover = null;
			
		// if this menu is closed, open it.
		if (!obj.open && !obj.aniTimer) reg[id].startSlide(true)
	}
}


ypSlideOutMenu.hide = 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 = ypSlideOutMenu.Registry[id]
	
	if (obj.container)
	{
		if (obj.hideTimer) window.clearTimeout(obj.hideTimer)
		obj.hideTimer = window.setTimeout("ypSlideOutMenu.hideMenu('" + id + "')", ypSlideOutMenu.hideDelay);
		
		if (obj._parent) ypSlideOutMenu.hide(obj._parent);
		
		obj.menu.onmouseover = new Function("ypSlideOutMenu.show('" + id + "')");
	}
}

ypSlideOutMenu.hideMenu = function(id)
{
	var obj = ypSlideOutMenu.Registry[id]
	
	if (obj.container)
	{
		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)
	}
}

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.sauv+=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])
}

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