//** 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
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)
	}
}

}