var menu_2={divclass:'anylinkmenu side-body', inlinestyle:'', linktarget:'_self'}
menu_2.items=[
	['Network Services', ''+BASEDIR+'viewpage.php?page_id=6', ''],
	['Server & Desktop Support', ''+BASEDIR+'viewpage.php?page_id=3', ''],
	['Systems Design & Integration', ''+BASEDIR+'viewpage.php?page_id=5', ''],
	['Website Design', ''+BASEDIR+'viewpage.php?page_id=4', ''],
	['Backup solutions', ''+BASEDIR+'viewpage.php?page_id=8', ''],
	['Antivirus Systems', ''+BASEDIR+'viewpage.php?page_id=7', '']
]

var menu_3={divclass:'anylinkmenu side-body', inlinestyle:'', linktarget:'_self'}
menu_3.items=[
	['Microsoft Exchange Server', 'http://www.scribd.com/doc/7872635/MS-Exchange-2003-Offline-Address-Book-Sync-Error-0X8004010F', ''],
	['Microsoft Windows Implementation', 'http://www.scribd.com/doc/8255890/Implementation-of-the-IPSec-Protocol-in-Microsoft-Windows-2003XP-Environment-', '']
]

var menu_4={divclass:'anylinkmenu side-body', inlinestyle:'', linktarget:'_self'}
menu_4.items=[
	['Microsoft', 'http://www.microsoft.com/en/us/default.aspx', ''],
	['Msexchange', 'http://www.msexchange.org/', ''],
	['Adobe', 'http://www.adobe.com/', ''],
	['Scribd', 'http://www.scribd.com/', ''],
	['Twitter', 'http://twitter.com/', ''],
	['Linkedin', 'http://www.linkedin.com/', ''],
	['Subnetcalculator', 'http://www.subnet-calculator.com/', '']
]

$(document).ready(function(){anylinkmenu.init('menuanchorclass')});
		
var anylinkmenu={
	
	menusmap: {},
	effects: {delayhide: 200, shadow:{enabled:false, 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]
		}
	},
	
	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.items[i][2] ? '_blank' : 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)
		}
	},
	
	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)
			}
			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.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.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){
		var anchors=this.getElementsByClass(targetclass)
		for (var i=0; i<anchors.length; i++){
			this.setupmenu(targetclass, anchors[i], i)
		}
	}
	
}