ypSlideOutMenu.Registry = [];
ypSlideOutMenu.aniLen = 300;
ypSlideOutMenu.showDelay = 300;
ypSlideOutMenu.hideDelay = 650;
ypSlideOutMenu.minCPUResolution = 10;
// constructor
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;
    // 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)
{
  var obj = ypSlideOutMenu.Registry[id];
  if (obj.container) {
    if (obj.showTimer) window.clearTimeout(obj.showTimer);
    obj.showTimer = window.setTimeout("ypSlideOutMenu.show('" + id + "')", ypSlideOutMenu.showDelay);
  }
}

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

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.show = function(id)
{
  var reg = ypSlideOutMenu.Registry;
  var obj = ypSlideOutMenu.Registry[id];

  if (obj.showTimer) obj.showTimer = window.clearTimeout(obj.showTimer);
  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.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.onactivate = function() { }
ypSlideOutMenu.prototype.ondeactivate = function() { }

// End ypSlideOutMenu code