ypSlideOutMenu.Registry = []
ypSlideOutMenu.aniLen = 300
ypSlideOutMenu.hideDelay = 500
ypSlideOutMenu.minCPUResolution = 10
function ypSlideOutMenu(id, 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.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
	d.write('<style type="text/css">')
	d.write('#' + this.id + 'Container { visibility:hidden; ')
	d.write('left:' + left + 'px; ')
	d.write('top:' + top + 'px; ')
	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) {
      window.status = id
      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)
      }
}
ypSlideOutMenu.hideMenu = function(id) {
      var obj = ypSlideOutMenu.Registry[id]
      if (obj.container) {
   	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)
}
ypSlideOutMenu.prototype.startSlide = function(open) {
      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"] = p
}
ypSlideOutMenu.prototype.getPos = function(c) {
      return parseInt(this.style[c])
}