/**
 * DHTML dropdown menu script.
 */
 
// SHOW MENU
function showLayer(layerName,imgName){
 img = getImage("NavImg");
 x = getImagePageLeft(img);
 y = getImagePageTop(img);
 menuTop = y + 20 ; // LAYER TOP POSITION
 worldL = x + 139 ; // 'Ser' LAYER LEFT POSITION
 planetL = x + 285 ;  // 'Pro' LAYER LEFT POSITION
 growL = x + 425 ; // 'Res' LAYER LEFT POSITION
 aboutL = x + 565 ;  // 'Rat' LAYER LEFT POSITION

if (NS4 || IE4 || NS6) {
 if (timeOn != null) {
 clearTimeout(timeOn)
 hideLayer(onLayer)
 }
 
if (NS4 || IE4) {
 eval(layerRef+'["'+layerName+'"]'+styleSwitch+'.visibility="'+layerVis+'"');
 eval(layerRef+'["'+layerName+'"]'+styleSwitch+'.top="'+menuTop+'"');
 eval(layerRef+'["'+layerName+'"]'+styleSwitch+'.left="'+eval(layerName+'L')+'"');
 } 

if (NS6) {
 eval(layerRef+'("'+layerName+'")'+styleSwitch+'.visibility="'+layerVis+'"');
 eval(layerRef+'("'+layerName+'")'+styleSwitch+'.top="'+menuTop+'"');
 eval(layerRef+'("'+layerName+'")'+styleSwitch+'.left="'+eval(layerName+'L')+'"');
 } 
 onLayer = layerName
 }
}

 window.onerror = null;
 var bName = navigator.appName;
 var bVer = parseInt(navigator.appVersion);
 var NS3 = (bName == "Netscape" && bVer < 4);
 var NS4 = (bName == "Netscape" && bVer >= 4 && bVer < 5);
 var NS6 = (bName == "Netscape" && bVer >= 5);
 var IE3 = (bName == "Microsoft Internet Explorer" && bVer < 4);
 var IE4 = (bName == "Microsoft Internet Explorer" && bVer >= 4);
 var menuActive = 0
 var menuOn = 0
 var onLayer
 var timeOn = null

 // LAYER SWITCHING CODE
 if (NS4 || IE4 || NS6) {
  if (navigator.appName == "Netscape" && !document.getElementById){
  layerStyleRef="layer.";
  layerRef="document.layers";
  styleSwitch="";
  layerVis="show";
  layerHid="hide";
  }
  else if (!document.all && document.getElementById) {
  layerStyleRef="layer.style.";
  layerRef="document.getElementById";
  styleSwitch=".style";
  layerVis="visible";
  layerHid="hidden";
  }
  else{
  layerStyleRef="layer.style.";
  layerRef="document.all";
  styleSwitch=".style";
  layerVis="visible";
  layerHid="hidden";
  }
}

// HIDE MENU
function hideLayer(layerName){
 if (menuActive == 0) {
  if (NS4 || IE4) {
  eval(layerRef+'["'+layerName+'"]'+styleSwitch+'.visibility="'+layerHid+'"');
  }
  if (NS6) {
  eval(layerRef+'("'+layerName+'")'+styleSwitch+'.visibility="'+layerHid+'"');
  }
 }
}

// TIMER FOR BUTTON MOUSE OUT
function btnTimer() {
 timeOn = setTimeout("btnOut()",100)
}

// BUTTON MOUSE OUT
function btnOut(layerName) {
 if (menuActive == 0) {
 hideLayer(onLayer)
 }
}

// MENU MOUSE OVER 
function menuOver(itemName) {
 clearTimeout(timeOn)
 menuActive = 1
}

// MENU MOUSE OUT 
function menuOut(itemName) {
 menuActive = 0 
 timeOn = setTimeout("hideLayer(onLayer)", 400)
}

// SET BACKGROUND COLOR 
function setBgColor(layer, color) {
  if (NS4){
    eval('window.document.layers["'+layer+'"].document.bgColor="'+color+'"');
	eval('window.document.layers["'+layer+'"].saveColor="'+color+'"');
  }
  if (NS6){
    eval('document.getElementById("'+layer+'").style.backgroundColor="'+color+'"');
  }
  if (IE4){
    eval('document.all.'+layer+'.style.backgroundColor="'+color+'"');
  }
}

function getImage(name) {
  if (NS4 || NS6) {
    return findImage(name, document);
  }
  if (IE4)
    return eval('document.all.' + name);
  return null;
}

function findImage(name, doc) {
  var i, img;
  for (i = 0; i < doc.images.length; i++)
    if (doc.images[i].name == name)
      return doc.images[i];
  for (i = 0; i < doc.layers.length; i++)
    if ((img = findImage(name, doc.layers[i].document)) != null) {
      img.container = doc.layers[i];
      return img;
    }
  return null;
}

function getImagePageLeft(img) {
  var x, obj;
  if (NS4) {
    if (img.container != null)
      return img.container.pageX + img.x;
    else
      return img.x;
  }
  if (IE4 || NS6) {
    x = 0;
    obj = img;
    while (obj.offsetParent != null) {
      x += obj.offsetLeft;
      obj = obj.offsetParent;
    }
    x += obj.offsetLeft;
    return x;
  }
  return -1;
}

function getImagePageTop(img) {
  var y, obj;
  if (NS4) {
    if (img.container != null){
	alert(img.container.pageY + img.y);
      return img.container.pageY + img.y;
}
    else
      return img.y;
  }
  if (IE4 || NS6) {
    y = 0;
    obj = img;
    while (obj.offsetParent != null) {
      y += obj.offsetTop;
      obj = obj.offsetParent;
    }
    y += obj.offsetTop;
    return y;
  }
  return -1;
}

//

/*****************************************************
* ypSlideOutMenu
* Code used with permission from  www.youngpup.net
* --youngpup--  3/04/2001
*****************************************************/

ypSlideOutMenu.Registry = []
ypSlideOutMenu.aniLen = 350
ypSlideOutMenu.hideDelay = 150
ypSlideOutMenu.minCPUResolution = 10

ypSlideOutMenu.styleMod = '';

function ypSlideOutMenu(id, dir, left, top, width, height, parentid, degrade, debug)
{
	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.degrade = degrade;
		this.debug = debug;
		this.sliding = false;
		this.id = id
		this.parentid = parentid
		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
		
		this.initleft = left
		this.inittop = top
		this.initwidth = width
		this.initheight = height
		this.showcount = 0;


// The following code originally invoked "document.write" but it caused
// a crash in IE (but not NS) when there were
// more than 31 menus total.  What crashed is that the styles that were
// declared in the css disappeared with 31 menus, where 32 menus caused
// the d.write call to fail entirely.  When I changed
// it so that the style changes were accumulated into one string
// (then at the end that string was written into the document,
// so that document.write was only called once) this solved the problem.

		ypSlideOutMenu.styleMod += '#' + this.id + 'Container { visibility:hidden; ';
		ypSlideOutMenu.styleMod += 'left:' + left + 'px; ';
		ypSlideOutMenu.styleMod += 'z-index:50; ';
		ypSlideOutMenu.styleMod += 'top:' + top + 'px; ';
		ypSlideOutMenu.styleMod += 'overflow:hidden; }';
		ypSlideOutMenu.styleMod += '#' + this.id + 'Container, #' + this.id + 'Content { position:absolute; ';
		ypSlideOutMenu.styleMod += 'height:' + height + 'px; ';
		ypSlideOutMenu.styleMod += 'width:' + width + 'px; ';
		ypSlideOutMenu.styleMod += 'z-index:50; ';
		ypSlideOutMenu.styleMod += 'clip:rect(0 ' + width + ' ' + height + ' 0); ';
		ypSlideOutMenu.styleMod += '}  ';
		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)
	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
		// SEE NOTE ABOVE.  The following function call for the 31 menus bug.
		//this.setStyle()
		this.homePos = eval("0" + this.dirType + this.dim)
		this.outPos = 0
		this.accelConst = (this.outPos - this.homePos) / ypSlideOutMenu.aniLen / ypSlideOutMenu.aniLen 
		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.endSlide()
	}
}

ypSlideOutMenu.showMenu = function(id, e)
{
	var reg = ypSlideOutMenu.Registry
	var obj = ypSlideOutMenu.Registry[id]
	if (obj.container) {
//		if (obj.ie) alert('showing: ' + id);
		obj.over = true
		if (obj.hideTimer) { reg[id].hideTimer = window.clearTimeout(reg[id].hideTimer) }
		obj.showcount++;
		if (!obj.open && !obj.aniTimer) reg[id].startSlide(true)
	}
	if (obj.ns4) obj.menu.routeEvent(Event.MOUSEOVER);
}

ypSlideOutMenu.hideMenu = function(id, e)
{
	var obj = ypSlideOutMenu.Registry[id]
	if (obj.container) {
//		if (obj.ie) alert('hiding: ' + id);
		if (obj.hideTimer) window.clearTimeout(obj.hideTimer)
		obj.showcount--;
		obj.hideTimer = window.setTimeout("ypSlideOutMenu.hide('" + id + "')", ypSlideOutMenu.hideDelay);
	}
	if (obj.ns4) obj.menu.routeEvent(Event.MOUSEOUT);
}

/*
ypSlideOutMenu.prototype.isOverMenu = function(evnt) {
	if (evnt) {
		return ((this.initleft < evnt.pageX && evnt.pageX < (this.initleft + this.initwidth)) && (this.inittop < evnt.pageY && evnt.pageY < (this.inittop + this.initheight)))?true:false;
	} else {
		return true;
	}
}
*/

ypSlideOutMenu.hide = function(id) {
	var obj = ypSlideOutMenu.Registry[id]
	var reg = ypSlideOutMenu.Registry
	obj.over = false
	if (obj.hideTimer) window.clearTimeout(obj.hideTimer)
	obj.hideTimer = 0
	var close = true;
	for (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 (obj.open && !obj.aniTimer && close && !obj.showcount) obj.startSlide(false);
}


ypSlideOutMenu.prototype.startSlide = function(open) {
	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 (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.hideMenu(this.parentid);
		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"] = p
}

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

// script to create menus in banner

	var menus = [
		new ypSlideOutMenu("menu1", "down", 20, 216, 210, 25*7+1), //  about us
		new ypSlideOutMenu("menu2", "down", 137, 216, 175, 25*3+1), //  programs
		new ypSlideOutMenu("menu3", "down", 257, 216, 175, 25*4+1), //  services
		new ypSlideOutMenu("menu4", "down", 370, 216, 230, 25*5+1),	 //  ways to give
		new ypSlideOutMenu("menu5", "down", 508, 216, 175, 25*5+1), //  news & events
		new ypSlideOutMenu("menu6", "down", 663, 216, 175, 25*3+1), //  resources
		new ypSlideOutMenu("menu7", "down", 780, 216, 175, 25*5+1),	 // contact us
		
				
	]
	
	document.write('<style type="text/css">' + ypSlideOutMenu.styleMod + '</style>');
	for (var i = 0; i < menus.length; i++) {
		if(menus[i]) {
			menus[i].onactivate = new Function("document.getElementById('act" + i + "').className='active';");
			menus[i].ondeactivate = new Function("document.getElementById('act" + i + "').className='';");
		}
	}