function openWindow(filename, pic_width, pic_height) {
	pic_width=pic_width+20;
	pic_height=pic_height+20;
	winStats='resizable=no,toolbar=no,location=no,directories=no,menubar=no,';
	winStats+='scrollbars=no,width='+pic_width+',height=';
	winStats+=pic_height;
	if (navigator.appName.indexOf("Microsoft")>=0) {
		winStats+=',left=10,top=25';
	} else {
		winStats+=',screenX=10,screenY=25';
	}
	winLoc = filename;
	floater=window.open(winLoc,"",winStats)     
}

dropMenu.Registry = []
dropMenu.aniLen = 150
dropMenu.hideDelay = 100
dropMenu.minCPUResolution = 10
// constructor

var _tpNS = (document.all)?false:true;

function getOffsetLeft (el) {
  var sl = el;
  var ol = el.offsetLeft;
  var sh = 0;
  while ((el = el.offsetParent) != null){
    ol += el.offsetLeft;
     if(el.offsetParent && el.offsetParent.offsetParent){
     var scrollLeft = el.offsetParent.scrollLeft;
       if(!isNaN(scrollLeft)){
         sh -= scrollLeft;
       }
    }
  }

   el = sl;
   if(_tpNS){
        while((el = el.parentNode) != null){
             if(el.parentNode && el.parentNode.parentNode
                && !(el.parentNode.tagName && 
el.parentNode.tagName.toUpperCase() == "BODY")){
      	        var scrollLeft = el.parentNode.scrollLeft;
                if(!isNaN(scrollLeft) && scrollLeft > 0 ){
                   sh -= scrollLeft;
                }
            }
        }
   }
  return ol+sh;
}

function getAbsX(elt) 
{
    return parseInt(elt.x) ? elt.x : getAbsPos(elt,"Left"); 
}

function getAbsPos(elt, which)
{
    iPos = 0; 
    while (elt != null) 
    { 
        iPos += elt["offset" + which]; 
        elt = elt.offsetParent; 
    } 
    
    return iPos; 
}

//fires on instantiation of each new menu object
function dropMenu(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.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 = "dropMenu_"+id
	    eval(this.gRef+"=this")
	    dropMenu.Registry[id] = this
	    
        var newleft = left+125;
	    
	    var strCSS = '<style type="text/css">';
	    strCSS += '#' + this.id + 'Container { visibility:hidden; '
	    strCSS += 'left:' + newleft + 'px; '
	    strCSS += 'top:' + top + 'px; '
	    strCSS += 'overflow:hidden; z-index:10000; }'

	    strCSS += '#' + this.id + 'Container, #' + this.id + 'Content { position:absolute; '
	    strCSS += 'width:' + width + 'px; '
	    strCSS += 'height:' + height + 'px; '
	    strCSS += 'clip:rect(0 ' + width + ' ' + height + ' 0); '
	    strCSS += '}'

	    //
	    strCSS += '#' + this.id + 'Content { '
	    strCSS += 'left:' + 0 + 'px; '
	    strCSS += '}'
	    //
	    
	    strCSS += '</style>'
	    document.write(strCSS);
	    this.load()
    }
    else
    if (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 = "dropMenu_"+id
	    eval(this.gRef+"=this")
	    dropMenu.Registry[id] = this
	    var newleft = getAbsX(document.getElementById(id))-1;
	    
	    var strCSS = '<style type="text/css">';
	    strCSS += '#' + this.id + 'Container { visibility:hidden; '
	    strCSS += 'left:' + newleft + 'px; '
	    strCSS += 'top:' + top + 'px; '
	    strCSS += 'overflow:hidden; z-index:10000; }'
	    strCSS += '#' + this.id + 'Container, #' + this.id + 'Content { position:absolute; '
	    strCSS += 'width:' + width + 'px; '
	    strCSS += 'height:' + height + 'px; '
	    strCSS += 'clip:rect(0 ' + width + ' ' + height + ' 0); '
	    strCSS += '}'
	    strCSS += '</style>'
	    document.write(strCSS);
	    this.load()
    }
}
dropMenu.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) / dropMenu.aniLen / dropMenu.aniLen 
    // set event handlers.
    if (this.ns4) this.menu.captureEvents(Event.MOUSEOVER | Event.MOUSEOUT);
    this.menu.onmouseover = new Function("dropMenu.showMenu('" + this.id + "')")
    this.menu.onmouseout = new Function("dropMenu.hideMenu('" + this.id + "')")
    //set initial state
    this.endSlide()
}
}
dropMenu.showMenu = function(id)
{
var reg = dropMenu.Registry
var obj = dropMenu.Registry[id]
if (obj.container) {
obj.over = true
for (menu in reg) if (id != menu) dropMenu.hide(menu)
if (obj.hideTimer) { reg[id].hideTimer = window.clearTimeout(reg[id].hideTimer) }
if (!obj.open && !obj.aniTimer) reg[id].startSlide(true)
}
}
dropMenu.hideMenu = function(id)
{
var obj = dropMenu.Registry[id]
if (obj.container) {
if (obj.hideTimer) window.clearTimeout(obj.hideTimer)
obj.hideTimer = window.setTimeout("dropMenu.hide('" + id + "')", dropMenu.hideDelay);
}
}
dropMenu.hideAll = function()
{
var reg = dropMenu.Registry
for (menu in reg) {
dropMenu.hide(menu);
if (menu.hideTimer) window.clearTimeout(menu.hideTimer);
}
}
dropMenu.hide = function(id)
{
var obj = dropMenu.Registry[id]
obj.over = false
if (obj.hideTimer) window.clearTimeout(obj.hideTimer)
obj.hideTimer = 0
if (obj.open && !obj.aniTimer) obj.startSlide(false)
}
dropMenu.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()", dropMenu.minCPUResolution)
}
dropMenu.prototype.slide = function() {
var elapsed = (new Date()).getTime() - this.startTime
if (elapsed > dropMenu.aniLen) this.endSlide()
else {
var d = Math.round(Math.pow(dropMenu.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)
}
}
dropMenu.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)
}
}
dropMenu.prototype.setVisibility = function(bShow) { 
var s = this.ns4 ? this.container : this.container.style
s.visibility = bShow ? "visible" : "hidden"
}
dropMenu.prototype.moveTo = function(p) { 
this.style[this.orientation == "h" ? "left" : "top"] = this.ns4 ? p : p + "px"
}
dropMenu.prototype.getPos = function(c) {
return parseInt(this.style[c])
}
dropMenu.prototype.onactivate = function() {}
dropMenu.prototype.ondeactivate = function() { }