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

/* browser check
if (!document.getElementById) {
    window.location = 
	   "upgrade/"
}
*/

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

// this rule will be hidden from non-javascript browsers
// this is necessary so that some content defaults to visible instead of hidden
document.write('<style type="text/css">');
document.write('.hidden{display:none;}');
document.write('</style>');

function show(id) {
	document.getElementById(id).style.display = "block";
}

function hide(id) {
	document.getElementById(id).style.display = "none";
}

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

// popup window function

var win = null;
function popup(mypage,myname,w,h,scroll){
  var winl = (screen.width-w)/2;
  var wint = (screen.height-h)/2;
  var settings  ='height='+h+',';
      settings +='width='+w+',';
      settings +='top='+wint+',';
      settings +='left='+winl+',';
      settings +='scrollbars='+scroll+',';
      settings +='resizable=yes';
  win=window.open(mypage,myname,settings);
  if(parseInt(navigator.appVersion) >= 4){win.window.focus();}
}

// usage:
// onclick="popup('url','name','400','400','yes');return false"


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

/*****************************************************
 * 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--
 *
 * Modified for relative positioning and select menu hiding
 * 8/09/2002
 *
 * Grant Williams
 *****************************************************/

ypSlideOutMenu.Registry = []
ypSlideOutMenu.aniLen = 400     // 200
ypSlideOutMenu.hideDelay = 500  // 100
ypSlideOutMenu.minCPUResolution = 10

function ypSlideOutMenu(id, dir, 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.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.width = width
		this.height = height
		this.gRef = "ypSlideOutMenu_"+id
		eval(this.gRef+"=this")
		ypSlideOutMenu.Registry[id] = this

		var d = document
		d.write('<style type="text/css">')
		d.write('#' + this.id + 'Container { visibility:hidden; ')
		d.write('overflow:hidden; }')
		d.write('#' + this.id + 'Container, #' + this.id + 'Content { position:absolute; ')
		d.write('width:' + width + 'px; ')
		d.write('height:' + height + 'px; ')
		d.write('clip:rect(0 ' + width + ' ' + height + ' 0); ')
		d.write('}')
		d.write('</style>')
		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 
		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) {
	var reg = ypSlideOutMenu.Registry
	var obj = ypSlideOutMenu.Registry[id]
	if (obj.container && obj.dom) {
		obj.setLeftPosition(obj.container)
		obj.setTopPosition(obj.container)
		obj.hideSelectBoxes(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)
	}
}

ypSlideOutMenu.hideMenu = function(id) {
	var obj = ypSlideOutMenu.Registry[id]
	if (obj.container && obj.dom) {
		if (obj.hideTimer)
			window.clearTimeout(obj.hideTimer)
		obj.hideTimer = window.setTimeout("ypSlideOutMenu.hide('" + id + "')", ypSlideOutMenu.hideDelay);
	}
}

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)
		obj.showSelectBoxes(obj.container)
	}
}

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
	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])
}

ypSlideOutMenu.prototype.setLeftPosition = function(c) {
	var menup = document.getElementById(this.id);
    x = this.getPageOffsetLeft(menup);
    if (this.ie) {
		x += menup.offsetParent.clientLeft;
    }

	c.style.left = x + "px";
}

ypSlideOutMenu.prototype.setTopPosition = function(c) {
	var menup = document.getElementById(this.id);
	var y = this.getPageOffsetTop(menup) + menup.offsetHeight;
	if (this.ie) {
		y += menup.offsetParent.clientTop;
	}

	c.style.top = y + "px";
}

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

ypSlideOutMenu.prototype.getPageOffsetLeft = function(el) {
	var x;

	x = el.offsetLeft;
	if (el.offsetParent != null)
		x += this.getPageOffsetLeft(el.offsetParent);

	return x;
}

ypSlideOutMenu.prototype.getPageOffsetTop = function(el) {
	var y;

	y = el.offsetTop;
	if (el.offsetParent != null)
		y += this.getPageOffsetTop(el.offsetParent);

	return y;
}

ypSlideOutMenu.prototype.hideSelectBoxes = function(c) {
	x = parseInt(c.style.left)
	y = parseInt(c.style.top)
	w = this.width
	h = this.height

	level = 0

    var selectx,selecty,selectw,selecth,i
    if (!this.select) {
		this.select = document.getElementsByTagName("SELECT")
    }

    var select = this.select
    for (i=0; i < select.length; i++) {
		selectx = 0;
		selecty = 0;
		var selp;

		if (select[i].offsetParent) {
			selp = select[i];

			while (selp.offsetParent) {
				selp = selp.offsetParent;
				selectx += selp.offsetLeft;
				selecty += selp.offsetTop;
			}
		}

		selectx += select[i].offsetLeft;
		selecty += select[i].offsetTop
		selectw = select[i].offsetWidth;
		selecth = select[i].offsetHeight

		if (selectx+selectw>x && selectx<x+w && selecty+selecth>y && selecty<y+h) {
			if (select[i].style.visibility != "hidden") {
				select[i].level = level;
				select[i].style.visibility = "hidden";
			}
		} else if (level<=select[i].level && !(c && level == 0))
			select[i].style.visibility = "visible"
	}
}

ypSlideOutMenu.prototype.showSelectBoxes = function(c) {
	x = parseInt(c.style.left)
	y = parseInt(c.style.top)
	w = this.width
	h = this.height

	level = 0

    var selectx,selecty,selectw,selecth,i
    if (!this.select) {
		this.select = document.getElementsByTagName("SELECT")
		this.select.level = 0
    }

    var select = this.select
    for (i=0; i < select.length; i++) {
		if (select[i].style.visibility != "visible")
			select[i].style.visibility = "visible"
	}
}

/* initalize menu system */

new ypSlideOutMenu("menu1", "down", 120, 100); // width,height
new ypSlideOutMenu("menu2", "down", 120, 100); // width,height
new ypSlideOutMenu("menu3", "down", 100, 105); // width,height

/**********************************
End of drop down menus
**********************************/