function toggle(div_id) {
	var el = document.getElementById(div_id);
	if ( el.style.display == 'none' ) {	el.style.display = 'block';}
	else {el.style.display = 'none';}
}

function blanket_size(popUpDivVar) {
	var blanket_height = getWindowHeight();
	var blanket = document.getElementById('blanket');
	blanket.style.height = blanket_height + 'px';

	var popUpDiv = document.getElementById(popUpDivVar);
	popUpDiv.style.height = blanket_height + 'px';
}

function setPopupPos(contentId, contentWidth, classname) {
	var window_width = getWindowWidth();
	var popUpContent = document.getElementById(contentId);
	var leftPos = (window_width - contentWidth)/2;
	//popUpContent.style.left = leftPos + 'px';
	popUpContent.style.left = 300 + 'px';
	popUpContent.style.top = 20 + 'px';
	if (classname) popUpContent.className = classname;
}

function getWindowHeight() {
	if (typeof window.innerWidth != 'undefined') {
		viewportheight = window.innerHeight;
	} else {
		viewportheight = document.documentElement.clientHeight;
	}
	if ((viewportheight > document.body.parentNode.scrollHeight) && (viewportheight > document.body.parentNode.clientHeight)) {
		blanket_height = viewportheight;
	} else {
		if (document.body.parentNode.clientHeight > document.body.parentNode.scrollHeight) {
			blanket_height = document.body.parentNode.clientHeight;
		} else {
			blanket_height = document.body.parentNode.scrollHeight;
		}
	}
	return blanket_height;
}

function getWindowWidth() {
	if (typeof window.innerWidth != 'undefined') {
		viewportwidth = window.innerHeight;
	} else {
		viewportwidth = document.documentElement.clientHeight;
	}
	if ((viewportwidth > document.body.parentNode.scrollWidth) && (viewportwidth > document.body.parentNode.clientWidth)) {
		window_width = viewportwidth;
	} else {
		if (document.body.parentNode.clientWidth > document.body.parentNode.scrollWidth) {
			window_width = document.body.parentNode.clientWidth;
		} else {
			window_width = document.body.parentNode.scrollWidth;
		}
	}
	return window_width;
}

function popup(windowname) {
	blanket_size(windowname);
	toggle('blanket');
	toggle(windowname);
}

function closePopupDiv(divid) {
	popup('popUpDiv');
	document.getElementById(divid).innerHTML = document.getElementById("popup_box_content").innerHTML;
	document.getElementById(divid).style.display = "none";
}


/* functions to drag the popup box */

function getID(id)
{
	return document.getElementById(id);
}

// Determine browser and version.

function Browser() {

  var ua, s, i;

  this.isIE    = false;
  this.isNS    = false;
  this.version = null;

  ua = navigator.userAgent;

  s = "MSIE";
  if ((i = ua.indexOf(s)) >= 0) {
    this.isIE = true;
    return;
  }

  s = "Netscape6/";
  if ((i = ua.indexOf(s)) >= 0) {
    this.isNS = true;
    return;
  }

  s = "Gecko";
  if ((i = ua.indexOf(s)) >= 0) {
    this.isNS = true;
    return;
  }
}
var browser = new Browser();

// Global object to hold drag information.

var dragObj = new Object();
function dragStart(event, id) {
  var x, y;
  dragObj.elNode = getID(id);
  // Get cursor position with respect to the page.

  if (browser.isIE) {
    x = window.event.clientX + document.documentElement.scrollLeft
      + document.body.scrollLeft;
    y = window.event.clientY + document.documentElement.scrollTop
      + document.body.scrollTop;
  }
  if (browser.isNS) {
    x = event.clientX + window.scrollX;
    y = event.clientY + window.scrollY;
  }

  // Save starting positions of cursor and element.

  dragObj.cursorStartX = x;
  dragObj.cursorStartY = y;
  dragObj.elStartLeft  = parseInt(dragObj.elNode.style.left, 10);
  dragObj.elStartTop   = parseInt(dragObj.elNode.style.top,  10);

  if (isNaN(dragObj.elStartLeft)) dragObj.elStartLeft = 0;
  if (isNaN(dragObj.elStartTop))  dragObj.elStartTop  = 0;

  // Capture mousemove and mouseup events on the page.

  if (browser.isIE) {
    document.attachEvent("onmousemove", dragGo);
    document.attachEvent("onmouseup",   dragStop);
    window.event.cancelBubble = true;
    window.event.returnValue = false;
  }
  if (browser.isNS) {
    document.addEventListener("mousemove", dragGo,   true);
    document.addEventListener("mouseup",   dragStop, true);
    event.preventDefault();
  }
}

function dragGo(event) {

  var x, y;

  // Get cursor position with respect to the page.

  if (browser.isIE) {
    x = window.event.clientX + document.documentElement.scrollLeft
      + document.body.scrollLeft;
    y = window.event.clientY + document.documentElement.scrollTop
      + document.body.scrollTop;
  }
  if (browser.isNS) {
    x = event.clientX + window.scrollX;
    y = event.clientY + window.scrollY;
  }

  // Move drag element by the same amount the cursor has moved.

  dragObj.elNode.style.left = (dragObj.elStartLeft + x - dragObj.cursorStartX) + "px";
  dragObj.elNode.style.top  = (dragObj.elStartTop  + y - dragObj.cursorStartY) + "px";

  if (browser.isIE) {
    window.event.cancelBubble = true;
    window.event.returnValue = false;
  }
  if (browser.isNS)
    event.preventDefault();
}

function dragStop(event) {

  // Stop capturing mousemove and mouseup events.

  if (browser.isIE) {
    document.detachEvent("onmousemove", dragGo);
    document.detachEvent("onmouseup",   dragStop);
  }
  if (browser.isNS) {
    document.removeEventListener("mousemove", dragGo,   true);
    document.removeEventListener("mouseup",   dragStop, true);
  }
}


/* general functions for the popup boxes. */
var AjaxObject;
function getAjaxObject(){
	var AJAX;
	try {
		AJAX = new XMLHttpRequest();
	} catch(e) {
		try {
			AJAX = new ActiveXObject("Msxml2.XMLHTTP");
		} catch(e) {
			try {
				AJAX = new ActiveXObject("Microsoft.XMLHTTP");
			} catch(e) {
				alert("Your browser does not support AJAX.");
				return false;
			}
		}
	}
	return AJAX;
}

function getAjaxPostObject(retFn, url, params) {
	AjaxObject = getAjaxObject();
	if (AjaxObject) {
		AjaxObject.onreadystatechange = retFn;
		AjaxObject.open("POST", url, true);

		//Send the proper header information along with the request
		AjaxObject.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
		AjaxObject.setRequestHeader("Content-length", params.length);
		AjaxObject.setRequestHeader("Connection", "close");
		AjaxObject.send(params);
	}
	return false;
}

function showPopupDiv(retFn, url, params){
	popup('popUpDiv');
	document.getElementById("popUpDiv").innerHTML= "";
	getAjaxPostObject(retFn, url, params);
	return false;
}

<!----------------------------------------------------------------->

//** AnyLink CSS Menu v2.0- (c) Dynamic Drive DHTML code library: http://www.dynamicdrive.com
//** Script Download/ instructions page: http://www.dynamicdrive.com/dynamicindex1/anylinkcss.htm
//** January 19', 2009: Script Creation date

//**May 23rd, 09': v2.1
	//1) Automatically adds a "selectedanchor" CSS class to the currrently selected anchor link
	//2) For image anchor links, the custom HTML attributes "data-image" and "data-overimage" can be inserted to set the anchor's default and over images.

//**June 1st, 09': v2.2
	//1) Script now runs automatically after DOM has loaded. anylinkcssmenu.init) can now be called in the HEAD section

//**May 23rd, 10': v2.21: Fixes script not firing in IE when inside a frame page

if (typeof dd_domreadycheck=="undefined") //global variable to detect if DOM is ready
	var dd_domreadycheck=false

var anylinkcssmenu={

menusmap: {},
preloadimages: [],
effects: {delayhide: 200, shadow:{enabled:true, opacity:0.3, depth: [5, 5]}, fade:{enabled:true, duration:500}}, //customize menu effects

dimensions: {},

getoffset:function(what, offsettype){
	return (what.offsetParent)? what[offsettype]+this.getoffset(what.offsetParent, offsettype) : what[offsettype]
},

getoffsetof:function(el){
	el._offsets={left:this.getoffset(el, "offsetLeft"), top:this.getoffset(el, "offsetTop"), h: el.offsetHeight}
},

getdimensions:function(menu){
	this.dimensions={anchorw:menu.anchorobj.offsetWidth, anchorh:menu.anchorobj.offsetHeight,
		docwidth:(window.innerWidth ||this.standardbody.clientWidth)-20,
		docheight:(window.innerHeight ||this.standardbody.clientHeight)-15,
		docscrollx:window.pageXOffset || this.standardbody.scrollLeft,
		docscrolly:window.pageYOffset || this.standardbody.scrollTop
	}
	if (!this.dimensions.dropmenuw){
		this.dimensions.dropmenuw=menu.dropmenu.offsetWidth
		this.dimensions.dropmenuh=menu.dropmenu.offsetHeight
	}
},

isContained:function(m, e){
	var e=window.event || e
	var c=e.relatedTarget || ((e.type=="mouseover")? e.fromElement : e.toElement)
	while (c && c!=m)try {c=c.parentNode} catch(e){c=m}
	if (c==m)
		return true
	else
		return false
},

setopacity:function(el, value){
	el.style.opacity=value
	if (typeof el.style.opacity!="string"){ //if it's not a string (ie: number instead), it means property not supported
		el.style.MozOpacity=value
		if (el.filters){
			el.style.filter="progid:DXImageTransform.Microsoft.alpha(opacity="+ value*100 +")"
		}
	}
},

showmenu:function(menuid){
	var menu=anylinkcssmenu.menusmap[menuid]
	clearTimeout(menu.hidetimer)
	this.getoffsetof(menu.anchorobj)
	this.getdimensions(menu)
	var posx=menu.anchorobj._offsets.left + (menu.orientation=="lr"? this.dimensions.anchorw : 0) //base x pos
	var posy=menu.anchorobj._offsets.top+this.dimensions.anchorh - (menu.orientation=="lr"? this.dimensions.anchorh : 0)//base y pos
	if (posx+this.dimensions.dropmenuw+this.effects.shadow.depth[0]>this.dimensions.docscrollx+this.dimensions.docwidth){ //drop left instead?
		posx=posx-this.dimensions.dropmenuw + (menu.orientation=="lr"? -this.dimensions.anchorw : this.dimensions.anchorw)
	}
	if (posy+this.dimensions.dropmenuh>this.dimensions.docscrolly+this.dimensions.docheight){  //drop up instead?
		posy=Math.max(posy-this.dimensions.dropmenuh - (menu.orientation=="lr"? -this.dimensions.anchorh : this.dimensions.anchorh), this.dimensions.docscrolly) //position above anchor or window's top edge
	}
	if (this.effects.fade.enabled){
		this.setopacity(menu.dropmenu, 0) //set opacity to 0 so menu appears hidden initially
		if (this.effects.shadow.enabled)
			this.setopacity(menu.shadow, 0) //set opacity to 0 so shadow appears hidden initially
	}
	menu.dropmenu.setcss({left:posx+'px', top:posy+'px', visibility:'visible'})
	if (this.effects.shadow.enabled)
		menu.shadow.setcss({left:posx+anylinkcssmenu.effects.shadow.depth[0]+'px', top:posy+anylinkcssmenu.effects.shadow.depth[1]+'px', visibility:'visible'})
	if (this.effects.fade.enabled){
		clearInterval(menu.animatetimer)
		menu.curanimatedegree=0
		menu.starttime=new Date().getTime() //get time just before animation is run
		menu.animatetimer=setInterval(function(){anylinkcssmenu.revealmenu(menuid)}, 20)
	}
},

revealmenu:function(menuid){
	var menu=anylinkcssmenu.menusmap[menuid]
	var elapsed=new Date().getTime()-menu.starttime //get time animation has run
	if (elapsed<this.effects.fade.duration){
		this.setopacity(menu.dropmenu, menu.curanimatedegree)
		if (this.effects.shadow.enabled)
			this.setopacity(menu.shadow, menu.curanimatedegree*this.effects.shadow.opacity)
	}
	else{
		clearInterval(menu.animatetimer)
		this.setopacity(menu.dropmenu, 1)
		menu.dropmenu.style.filter=""
	}
	menu.curanimatedegree=(1-Math.cos((elapsed/this.effects.fade.duration)*Math.PI)) / 2
},

setcss:function(param){
	for (prop in param){
		this.style[prop]=param[prop]
	}
},

setcssclass:function(el, targetclass, action){
	var needle=new RegExp("(^|\\s+)"+targetclass+"($|\\s+)", "ig")
	if (action=="check")
		return needle.test(el.className)
	else if (action=="remove")
		el.className=el.className.replace(needle, "")
	else if (action=="add" && !needle.test(el.className))
		el.className+=" "+targetclass
},

hidemenu:function(menuid){
	var menu=anylinkcssmenu.menusmap[menuid]
	clearInterval(menu.animatetimer)
	menu.dropmenu.setcss({visibility:'hidden', left:0, top:0})
	menu.shadow.setcss({visibility:'hidden', left:0, top:0})
},

getElementsByClass:function(targetclass){
	if (document.querySelectorAll)
		return document.querySelectorAll("."+targetclass)
	else{
		var classnameRE=new RegExp("(^|\\s+)"+targetclass+"($|\\s+)", "i") //regular expression to screen for classname
		var pieces=[]
		var alltags=document.all? document.all : document.getElementsByTagName("*")
		for (var i=0; i<alltags.length; i++){
			if (typeof alltags[i].className=="string" && alltags[i].className.search(classnameRE)!=-1)
				pieces[pieces.length]=alltags[i]
		}
		return pieces
	}
},

addEvent:function(targetarr, functionref, tasktype){
	if (targetarr.length>0){
		var target=targetarr.shift()
		if (target.addEventListener)
			target.addEventListener(tasktype, functionref, false)
		else if (target.attachEvent)
			target.attachEvent('on'+tasktype, function(){return functionref.call(target, window.event)})
		this.addEvent(targetarr, functionref, tasktype)
	}
},

domready:function(functionref){ //based on code from the jQuery library
	if (dd_domreadycheck){
		functionref()
		return
	}
	// Mozilla, Opera and webkit nightlies currently support this event
	if (document.addEventListener) {
		// Use the handy event callback
		document.addEventListener("DOMContentLoaded", function(){
			document.removeEventListener("DOMContentLoaded", arguments.callee, false )
			functionref();
			dd_domreadycheck=true
		}, false )
	}
	else if (document.attachEvent){
		// If IE and not an iframe
		// continually check to see if the document is ready
		if ( document.documentElement.doScroll && window == window.top) (function(){
			if (dd_domreadycheck) return
			try{
				// If IE is used, use the trick by Diego Perini
				// http://javascript.nwbox.com/IEContentLoaded/
				document.documentElement.doScroll("left")
			}catch(error){
				setTimeout( arguments.callee, 0)
				return;
			}
			//and execute any waiting functions
			functionref();
			dd_domreadycheck=true
		})();
	}
	if (document.attachEvent && parent.length>0) //account for page being in IFRAME, in which above doesn't fire in IE
		this.addEvent([window], function(){functionref()}, "load");
},

addState:function(anchorobj, state){
	if (anchorobj.getAttribute('data-image')){
		var imgobj=(anchorobj.tagName=="IMG")? anchorobj : anchorobj.getElementsByTagName('img')[0]
		if (imgobj){
			imgobj.src=(state=="add")? anchorobj.getAttribute('data-overimage') : anchorobj.getAttribute('data-image')
		}
	}
	else
		anylinkcssmenu.setcssclass(anchorobj, "selectedanchor", state)
},


setupmenu:function(targetclass, anchorobj, pos){
	this.standardbody=(document.compatMode=="CSS1Compat")? document.documentElement : document.body
	var relattr=anchorobj.getAttribute("rel")
	var dropmenuid=relattr.replace(/\[(\w+)\]/, '')
	var menu=this.menusmap[targetclass+pos]={
		id: targetclass+pos,
		anchorobj: anchorobj,	
		dropmenu: document.getElementById(dropmenuid),
		revealtype: (relattr.length!=dropmenuid.length && RegExp.$1=="click")? "click" : "mouseover",
		orientation: anchorobj.getAttribute("rev")=="lr"? "lr" : "ud",
		shadow: document.createElement("div")
	}
	menu.anchorobj._internalID=targetclass+pos
	menu.anchorobj._isanchor=true
	menu.dropmenu._internalID=targetclass+pos
	menu.shadow._internalID=targetclass+pos
	menu.shadow.className="anylinkshadow"
	document.body.appendChild(menu.dropmenu) //move drop down div to end of page
	document.body.appendChild(menu.shadow)
	menu.dropmenu.setcss=this.setcss
	menu.shadow.setcss=this.setcss
	menu.shadow.setcss({width: menu.dropmenu.offsetWidth+"px", height:menu.dropmenu.offsetHeight+"px"})
	this.setopacity(menu.shadow, this.effects.shadow.opacity)
	this.addEvent([menu.anchorobj, menu.dropmenu, menu.shadow], function(e){ //MOUSEOVER event for anchor, dropmenu, shadow
		var menu=anylinkcssmenu.menusmap[this._internalID]
		if (this._isanchor && menu.revealtype=="mouseover" && !anylinkcssmenu.isContained(this, e)){ //event for anchor
			anylinkcssmenu.showmenu(menu.id)
			anylinkcssmenu.addState(this, "add")
		}
		else if (typeof this._isanchor=="undefined"){ //event for drop down menu and shadow
			clearTimeout(menu.hidetimer)
		}
	}, "mouseover")
	this.addEvent([menu.anchorobj, menu.dropmenu, menu.shadow], function(e){ //MOUSEOUT event for anchor, dropmenu, shadow
		if (!anylinkcssmenu.isContained(this, e)){
			var menu=anylinkcssmenu.menusmap[this._internalID]
			menu.hidetimer=setTimeout(function(){
				anylinkcssmenu.addState(menu.anchorobj, "remove")
				anylinkcssmenu.hidemenu(menu.id)
			}, anylinkcssmenu.effects.delayhide)
		}
	}, "mouseout")
	this.addEvent([menu.anchorobj, menu.dropmenu], function(e){ //CLICK event for anchor, dropmenu
		var menu=anylinkcssmenu.menusmap[this._internalID]
		if ( this._isanchor && menu.revealtype=="click"){
			if (menu.dropmenu.style.visibility=="visible")
				anylinkcssmenu.hidemenu(menu.id)
			else{
				anylinkcssmenu.addState(this, "add")
				anylinkcssmenu.showmenu(menu.id)
			}
			if (e.preventDefault)
				e.preventDefault()
			return false
		}
		else
			menu.hidetimer=setTimeout(function(){anylinkcssmenu.hidemenu(menu.id)}, anylinkcssmenu.effects.delayhide)
	}, "click")
},

init:function(targetclass){
	this.domready(function(){anylinkcssmenu.trueinit(targetclass)})
},

trueinit:function(targetclass){
	var anchors=this.getElementsByClass(targetclass)
	var preloadimages=this.preloadimages
	for (var i=0; i<anchors.length; i++){
		if (anchors[i].getAttribute('data-image')){ //preload anchor image?
			preloadimages[preloadimages.length]=new Image()
			preloadimages[preloadimages.length-1].src=anchors[i].getAttribute('data-image')
		}
		if (anchors[i].getAttribute('data-overimage')){ //preload anchor image?
			preloadimages[preloadimages.length]=new Image()
			preloadimages[preloadimages.length-1].src=anchors[i].getAttribute('data-overimage')
		}
		this.setupmenu(targetclass, anchors[i], i)
	}
}

}