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


/* Browser check */
IS_DOM = (document.getElementById) ? true : false;
IS_IE = (document.all) ? true : false;
IS_IE50 = (navigator.userAgent.indexOf("IE 5.0") != -1);
IS_IE55 = (navigator.userAgent.indexOf("IE 5.5") != -1);
IS_Mac = (navigator.appVersion.indexOf("Mac") != -1);
IS_IE5Mac = IS_IE && IS_Mac && IS_DOM;
IS_MOZ = (IS_DOM && !IS_IE);
IS_NS7 = (navigator.userAgent.indexOf("Netscape/7") != -1);

// DHTML Menu Top Co-ordinates
var iTopMenu1 = 76;
var iTopMenu2 = 181;

function changeImages() 
{
  if (document.getElementById) {
    for (var i = 0; i < changeImages.arguments.length; i += 2) { 
  		document.getElementById(changeImages.arguments[i]).src = eval(changeImages.arguments[i + 1] + ".src"); 
	}
  }
}

function btnOn(sId)
{
	if (sId != "menu1") {
		changeImages(sId, sId + "on");
	} else {
		var oNav = getThis("seeAll");
		changeStyle(oNav, "backgroundColor", "#FFB263");
		changeStyle(oNav, "color", "#000");
		changeStyle(oNav, "paddingBottom", "6px");
		changeStyle(oNav, "borderBottom", "none");
	}
}

function btnOff(sId)
{
	if (sId != "menu1") {
		changeImages(sId, sId + "off");
	} else {
		var oNav = getThis("seeAll");
		changeStyle(oNav, "backgroundColor", "#ffdbb5");
		changeStyle(oNav, "color", "#333");
		changeStyle(oNav, "paddingBottom", "5px");
		changeStyle(oNav, "borderBottom", "1px solid #fff");
	}
}

ypSlideOutMenu.Registry = []
ypSlideOutMenu.aniLen = 50 // time before menu goes away (in milliseconds)
ypSlideOutMenu.minCPUResolution = 10
// constructor
function ypSlideOutMenu(id, dir, left, top, width, height, useright)
{
	this.ie = document.all ? 1 : 0
	this.ns4 = document.layers ? 1 : 0
	this.dom = document.getElementById ? 1 : 0
	
	if (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
		// revised CSS to clean it up and improve adjustability
		var strCSS = '<style type="text/css">';
		strCSS += '#' + this.id + 'Container { '
		if (useright == true) {
			strCSS += 'right:' + left + 'px; '
		} else {
			strCSS += 'left:' + left + 'px; '
		}
		strCSS += 'top:' + top + 'px; '
		strCSS += 'width:' + width + 'px; '
		strCSS += 'overflow:hidden;}'
		strCSS += '#' + this.id + 'Container, #' + this.id + 'Content { '
		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 (IS_DOM) {
		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)
			
			// turn on button
			btnOn(id);
		}
	}
}

ypSlideOutMenu.hideMenu = function(id) {
  if (IS_DOM) {
	  var obj = ypSlideOutMenu.Registry[id]
	  if (obj.container) {
	    ypSlideOutMenu.hide(id);
		// turn button off
		btnOff(id);
	  }
  }
}

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)
	}
	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() { }

/* START: Menu Position Adjustment */

function getThis(sId)
{
	var oObject;
	oObject = false;
	
	if (IS_DOM) {
		if (document.getElementById(sId)) {
			oObject = document.getElementById(sId);
		}
	}
	
	return oObject;
}

// check if a value is inside an array
// andr3a [ 25 / 03 / 2004 ]
Array.prototype.in_array = function( what ) {
   for( var a = 0; a < this.length; a++ ) {
      if( this[a] == what ) {
         return a;
      }
      else if( this[a] instanceof Array ) {
         return this[a].in_array( what );
      }
   }
   return -1;
}
function isArray() 
{
	if (typeof arguments[0] == 'object') {  
		var criterion = arguments[0].constructor.toString().match(/array/i);
 		return (criterion != null);
	}
	return false;
}

function changeStyle(oElement, sPropertyName, sNewValue)
{
	//alert(sPropertyName + " = " + sNewValue)
	if (oElement) {
		var oStyle = oElement.style;
		if (isArray(sPropertyName) && isArray(sNewValue) && sPropertyName.length == sNewValue.length) {
			for (var i = 0; i < sPropertyName.length; i++) {
				eval("oStyle." + sPropertyName[i] + " = '" + sNewValue[i] + "'");
			}
		} else {
			eval("oStyle." + sPropertyName + " = '" + sNewValue + "'");
		}
	}
}

// event attacher
function addEvent(obj, evType, fn, useCapture){
  if (obj.addEventListener){
    obj.addEventListener(evType, fn, useCapture);
    return true;
  } else if (obj.attachEvent){
    var r = obj.attachEvent("on"+evType, fn);
    return r;
  } else {
    alert("Sorry, your browser does not support this functionality.");
  }
}

function removeEvent(obj, evType, fn, useCapture){
	if (obj.removeEventListener){
    	obj.removeEventListener(evType, fn, useCapture);
  		return true;
  } else if (obj.detachEvent){
  		var r = obj.detachEvent("on"+evType, fn);
    	return r;
  } else {
    	//alert("Handler could not be removed");
  }
}

if (IS_NS7) {
	addEvent(window, "load", hideNav, false);
}

function hideNav()
{
	var oNarrow = getThis("narrowResults");
	changeStyle(oNarrow, "visibility", "hidden");
}

// menu object = function call (name, alignment, x position, y position, width, height -- y set in functions.js
// overridden on each page
var menu1 = new ypSlideOutMenu("menu1", "left", 0, 28, 164, 25, true)
var menu2 = new ypSlideOutMenu("menu2", "left", 5, 25, 348, 25, false)
var menu3 = new ypSlideOutMenu("menu3", "left", 5, 25, 120, 25, false)
var menu4 = new ypSlideOutMenu("menu4", "left", 5, 25, 120, 25, false)