/*****************************************************
* 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--
*****************************************************/

ypSlideOutMenu.Registry = []
ypSlideOutMenu.aniLen = 400 // how fast the layer slides in
//ypSlideOutMenu.hideDelay = 450000 // time elapsed before layer disappears.
ypSlideOutMenu.hideDelay = 1500 // time elapsed before layer disappears.
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) {
   var reg = ypSlideOutMenu.Registry
   var obj = ypSlideOutMenu.Registry[id]
   if (obj.container) {
      obj.over = true
      for (m in reg) if (id != m) ypSlideOutMenu.hide(m)
      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 ? "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() { }

/*****************************************************
* onSubmitForm
* 10/30/05
*
*  A script to allow for two form submit buttons to work during search
*****************************************************/


function OnSubmitForm()
{
  if(document.pressed == 'web_button')
  {
   //document.searchform.restrict.value = "LSA-PHYSICS"
   document.searchform.action ="http://www.engin.umich.edu/search/query";
  }
  else
  if(document.pressed == 'people_button')
  {
    window.location.href='/umich/v/index.jsp?vgnextoid=f39f013205c55110VgnVCM1000003d01010aRCRD';
  }
  else
  return true;
}
