//** AnyLink JS Drop Down Menu v2.0- (c) Dynamic Drive DHTML code library: http://www.dynamicdrive.com


//** Script Download/ instructions page: http://www.dynamicdrive.com/dynamicindex1/dropmenuindex.htm


//** January 29th, 2009: Script Creation date





//**May 22nd, 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. anylinkmenu.init) can now be called in the HEAD section





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


	var dd_domreadycheck=false





var anylinkmenu={





menusmap: {},


preloadimages: [],


effects: {delayhide: 200, shadow:{enabled:true, opacity:0.3, depth: [5, 5]}, fade:{enabled:false, 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=anylinkmenu.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({width: menu.dropmenu.offsetWidth+"px", height:menu.dropmenu.offsetHeight+"px"})


		menu.shadow.setcss({left:posx+anylinkmenu.effects.shadow.depth[0]+'px', top:posy+anylinkmenu.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(){anylinkmenu.revealmenu(menuid)}, 20)


	}


},





revealmenu:function(menuid){


	var menu=anylinkmenu.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=anylinkmenu.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


	}


},





addDiv:function(divid, divclass, inlinestyle){


	var el=document.createElement("div")


	if (divid)


		el.id=divid


	el.className=divclass


	if (inlinestyle!="" && typeof el.style.cssText=="string")


		el.style.cssText=inlinestyle


	else if (inlinestyle!="")


		el.setAttribute('style', inlinestyle)


	document.body.appendChild(el)


	return el


},





getmenuHTML:function(menuobj){


	var menucontent=[]


	var frag=""


	for (var i=0; i<menuobj.items.length; i++){


		frag+='<li><a href="' + menuobj.items[i][1] + '" target="' + menuobj.linktarget + '">' + menuobj.items[i][0] + '</a></li>\n'


		if (menuobj.items[i][2]=="efc" || i==menuobj.items.length-1){


			menucontent.push(frag)


			frag=""


		}


	}


	if (typeof menuobj.cols=="undefined")


		return '<ul>\n' + menucontent.join('') + '\n</ul>'


	else{


		frag=""


		for (var i=0; i<menucontent.length; i++){


			frag+='<div class="' + menuobj.cols.divclass + '" style="' + menuobj.cols.inlinestyle + '">\n<ul>\n' + menucontent[i] + '</ul>\n</div>\n'


		}


		return frag


	}


},





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


		anylinkmenu.setcssclass(anchorobj, "selectedanchor", state)


},





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


		anylinkmenu.setcssclass(anchorobj, "selectedanchor", state)


},





setupmenu:function(targetclass, anchorobj, pos){


	this.standardbody=(document.compatMode=="CSS1Compat")? document.documentElement : document.body


	var relattr=anchorobj.getAttribute("rel")


	dropmenuid=relattr.replace(/\[(\w+)\]/, '')


	var dropmenuvar=window[dropmenuid]


	var dropmenu=this.addDiv(null, dropmenuvar.divclass, dropmenuvar.inlinestyle) //create and add main sub menu DIV


	dropmenu.innerHTML=this.getmenuHTML(dropmenuvar)


	var menu=this.menusmap[targetclass+pos]={


		id: targetclass+pos,


		anchorobj: anchorobj,	


		dropmenu: dropmenu,


		revealtype: (relattr.length!=dropmenuid.length && RegExp.$1=="click")? "click" : "mouseover",


		orientation: anchorobj.getAttribute("rev")=="lr"? "lr" : "ud",


		shadow: this.addDiv(null, "anylinkshadow", null) //create and add corresponding shadow


	}


	menu.anchorobj._internalID=targetclass+pos


	menu.anchorobj._isanchor=true


	menu.dropmenu._internalID=targetclass+pos


	menu.shadow._internalID=targetclass+pos


	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=anylinkmenu.menusmap[this._internalID]


		if (this._isanchor && menu.revealtype=="mouseover" && !anylinkmenu.isContained(this, e)){ //event for anchor


			anylinkmenu.showmenu(menu.id)


			anylinkmenu.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 (!anylinkmenu.isContained(this, e)){


			var menu=anylinkmenu.menusmap[this._internalID]


			menu.hidetimer=setTimeout(function(){


				anylinkmenu.addState(menu.anchorobj, "remove")


				anylinkmenu.hidemenu(menu.id)


			}, anylinkmenu.effects.delayhide)


		}


	}, "mouseout")


	this.addEvent([menu.anchorobj, menu.dropmenu], function(e){ //CLICK event for anchor, dropmenu


		var menu=anylinkmenu.menusmap[this._internalID]


		if ( this._isanchor && menu.revealtype=="click"){


			if (menu.dropmenu.style.visibility=="visible")


				anylinkmenu.hidemenu(menu.id)


			else{


				anylinkmenu.addState(this, "add")


				anylinkmenu.showmenu(menu.id)


			}


			if (e.preventDefault)


				e.preventDefault()


			return false


		}


		else


			menu.hidetimer=setTimeout(function(){anylinkmenu.hidemenu(menu.id)}, anylinkmenu.effects.delayhide)


	}, "click")


},





init:function(targetclass){


	this.domready(function(){anylinkmenu.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)


	}


}





}