/*****************************************************

 * 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--



 * Überarbeitet typo.intervation.de 2007

 *****************************************************/



ypSlideOutMenu.Registry = []

strCSS = '';



// constructor

function ypSlideOutMenu(id, dir, left, top, width, height, parentid)

{

	this.ie  = document.all ? 1 : 0

	this.ns4 = document.layers ? 1 : 0

	this.dom = document.getElementById ? 1 : 0

	

        //alert(id+"Container");

	if (this.ie || this.ns4 || this.dom) {

		var m = document.getElementById(id+"Container");

       // get the menu-item-container

       var mItemCont = m.firstChild.firstChild;

       // get the item-height

       var itemHeight = mItemCont.firstChild.offsetHeight;

       // get the item-count

       var itemCount = mItemCont.childNodes.length;

       // calc the height (+1 for the bottom shadow)

       var m_hight = (itemHeight * itemCount) +1; 

		

		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 : m_hight

		this.hideTimer	 = false

		this.aniTimer	 = false

		this.open		 = false

		this.over		 = false

		this.startTime	 = 0



		this.sliding	 = false

		this.parentid	 = parentid

		this.showcount	 = 0



		// global reference to this object

		this.gRef = "ypSlideOutMenu_"+id

		eval(this.gRef+"=this")

		

		this.initleft = left

		this.inittop = top

		this.initwidth = width

		this.initheight = height

		this.showcount = 0;





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

		ypSlideOutMenu.Registry[id] = this



		var d = document



        //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;'+ ypSlideOutMenu.korek_css +';'

		strCSS += 'height:' + m_hight + 'px; '

		strCSS += 'clip:rect(0 ' + width + ' ' + m_hight + ' 0); '

		strCSS += '}'

        //strCSS += '</style>';

		

         //d.write(strCSS);

		this.load()

	}

}



ypSlideOutMenu.set_level_one = function(vert, korek_css, aniLen, hideDelay, minCPUResolution, kore_ns_x, kore_ns_y, kore_so_x, kore_so_y) {

	

	ypSlideOutMenu.horz_vert = vert;

	ypSlideOutMenu.korek_css = korek_css 

	ypSlideOutMenu.aniLen = aniLen

	ypSlideOutMenu.hideDelay = hideDelay

	ypSlideOutMenu.minCPUResolution = minCPUResolution

	ypSlideOutMenu.kore_ns_x = kore_ns_x

	ypSlideOutMenu.kore_ns_y = kore_ns_y

	ypSlideOutMenu.kore_so_x = kore_so_x

	ypSlideOutMenu.kore_so_y = kore_so_y

}

ypSlideOutMenu.writeCSS = function() {

	

	//alert(strCSS);

	document.write('<style type="text/css">'+strCSS+'</style>');

	//alert(strCSS);



}



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()", 1000)

	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, layerid, idw, level)

{

	var reg = ypSlideOutMenu.Registry

	var obj = ypSlideOutMenu.Registry[id]

	if(layerid) {

		idw.onactivate = function() { repositionMenu(idw, layerid, level); }

		

	}

		

	if (obj.container) {

		obj.over = true



		// close other menus.

		// for (menu in reg) if (id != menu) ypSlideOutMenu.hide(menu)



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

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



		obj.showcount++;



		// if this menu is closed, open it.

		if (!obj.open && !obj.aniTimer) reg[id].startSlide(true)

	}

}



ypSlideOutMenu.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 = ypSlideOutMenu.Registry[id]



	if (obj.container) {

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

		

		obj.showcount--;

		

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

	}

}



ypSlideOutMenu.hide = function(id)

{

	var obj = ypSlideOutMenu.Registry[id]

	var reg = ypSlideOutMenu.Registry

	obj.over = false



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

	

	// flag that this scheduled event has occured.

	obj.hideTimer = 0

	

	var close = true;

	

	for (var menu in reg) {

	// for each child, if either

	// 1. the child is open or

	// 2. the child is closing (but hasn't closed yet)

	// then we don't close this menu.

		var pid = ypSlideOutMenu.Registry[menu].parentid;

		if(pid == id) {

			if (ypSlideOutMenu.Registry[menu].open) close = false;

			if (!ypSlideOutMenu.Registry[menu].open && ypSlideOutMenu.Registry[menu].sliding) close = false;

		}

	}



	// if this menu is open, close it.

	if (obj.open && !obj.aniTimer && close && !obj.showcount) 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.sliding = true;

	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)

	this.sliding = false;

	if ((this.open && !this.over) || (!this.open && this.over) && (!this.parent || this.parent.open)) {

		this.startSlide(this.over)

	} else {

		var overchild = false;

		var reg = ypSlideOutMenu.Registry

		for (var menu in reg) {

			var pid = ypSlideOutMenu.Registry[menu].parentid

			if (pid == this.id) overchild = ypSlideOutMenu.Registry[menu].over ? true : overchild

		}

		if(!overchild && this.parentid && !ypSlideOutMenu.Registry[this.parentid].over) ypSlideOutMenu.hide(this.parentid);

	}

}



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() { }





		

		

		

		

function getPosition(element) {

/* der Aufruf dieser Funktion ermittelt die absoluten Koordinaten

   des Objekts element */

	 

  var elem=element,tagname="",x=0,y=0;

  /* solange elem ein Objekt ist und die Eigenschaft offsetTop enthaelt

   wird diese Schleife fuer das Element und all seine Offset-Eltern ausgefuehrt */

   

  while ((typeof(elem)=="object")&&(typeof(elem.tagName)!="undefined"))

  {

	 

    y+=elem.offsetTop;     /* Offset des jeweiligen Elements addieren */

    x+=elem.offsetLeft;    /* Offset des jeweiligen Elements addieren */

	

    tagname=elem.tagName.toUpperCase(); /* tag-Name ermitteln, Grossbuchstaben */

	

	/* wenn beim Body-tag angekommen elem fuer Abbruch auf 0 setzen */



    if (tagname=="HTML") {

      elem=0;

	  

	}

	if (tagname=="BODY" && navigator.userAgent.indexOf("Opera")>-1) {

		elem=0;

		

	}

	if (tagname=="BODY" && !navigator.userAgent.indexOf("Opera")>-1) {

		elem=0;

		

	}



	/* wenn elem ein Objekt ist und offsetParent enthaelt

   Offset-Elternelement ermitteln */

    if (typeof(elem)=="object")

      if (typeof(elem.offsetParent)=="object")

        elem=elem.offsetParent;

		

	

  }

	

/* Objekt mit x und y zurueckgeben */

  position=new Object();

  position.x=x;

  position.y=y;

  return position;

}

// this function repositions a menu to the speicified offset from center

function repositionMenu(menu, offset, level) {

	

	/* Element-Objekt zur ID ermitteln */

	element=document.getElementById(offset);

	 //alert(document.getElementById(offset).pageXOffset);

/* Position bestimmen und melden */

	//alert(document.getElementById(offset).offsetWidth);

// the new left position should be the center of the window + the offset

	var newLeft = getPosition(element);

  

	if(level)

		var erx = newLeft.x+document.getElementById(offset).offsetWidth;

	else {

		if(ypSlideOutMenu.horz_vert == "down") {

			erx = newLeft.x;

			newLeft.y = newLeft.y+ element.offsetHeight;

		}

		else {

			erx = newLeft.x + element.offsetWidth;

			newLeft.y = newLeft.y;

		}

		

	}

		

	

// setting the left position in netscape is a little different than IE

	menu.container.style ? menu.container.style.left = erx+ypSlideOutMenu.kore_so_x + "px" : menu.container.left = newLeft.x;

	menu.container.style ? menu.container.style.top = newLeft.y+ypSlideOutMenu.kore_so_y + "px" : menu.container.top = newLeft.y;

}

 

// this function calculates the window's width - different for IE and netscape

function getWindowWidth()

{

	return window.innerWidth ? window.innerWidth : document.body.offsetWidth;

}