//** All Levels Navigational Menu- (c) Dynamic Drive DHTML code library: http://www.dynamicdrive.com
//** Script Download/ instructions page: http://www.dynamicdrive.com/dynamicindex1/ddlevelsmenu/
//** Usage Terms: http://www.dynamicdrive.com/notice.htm
//** Current version: 2.2 See changelog.txt for details
if(typeof dd_domreadycheck=="undefined")
var dd_domreadycheck=false
var ddlevelsmenu={
enableshim: false,
arrowpointers:{
downarrow: ["ddlevelsfiles/arrow-down.gif", 11,7],
rightarrow: ["ddlevelsfiles/arrow-right.gif", 12,12],
showarrow: {toplevel: false, sublevel: false}
},
hideinterval: 400,
effects: {enableswipe: true, enablefade: true, duration: 400},
httpsiframesrc: "blank.htm",
topmenuids: [],
topitems: {},
subuls: {},
lastactivesubul: {},
topitemsindex: -1,
ulindex: -1,
hidetimers: {},
shimadded: false,
nonFF: !/Firefox[\/\s](\d+\.\d+)/.test(navigator.userAgent),
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")}
},
getwindowsize:function(){
this.docwidth=window.innerWidth? window.innerWidth-10 : this.standardbody.clientWidth-10
this.docheight=window.innerHeight? window.innerHeight-15 : this.standardbody.clientHeight-18
},
gettopitemsdimensions:function(){
for (var m=0; m<this.topmenuids.length; m++){
var topmenuid=this.topmenuids[m]
for (var i=0; i<this.topitems[topmenuid].length; i++){
var header=this.topitems[topmenuid][i]
var submenu=document.getElementById(header.getAttribute('rel'))
header._dimensions={w:header.offsetWidth, h:header.offsetHeight, submenuw:submenu.offsetWidth, submenuh:submenu.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
},
addpointer:function(target, imgclass, imginfo, BeforeorAfter){
var pointer=document.createElement("img")
pointer.src=imginfo[0]
pointer.style.width=imginfo[1]+"px"
pointer.style.height=imginfo[2]+"px"
if(imgclass=="rightarrowpointer"){
pointer.style.left=target.offsetWidth-imginfo[2]-2+"px"
}
pointer.className=imgclass
var target_firstEl=target.childNodes[target.firstChild.nodeType!=1? 1 : 0]
if(target_firstEl && target_firstEl.tagName=="SPAN"){
target=target_firstEl
}
if(BeforeorAfter=="before")
target.insertBefore(pointer, target.firstChild)
else
target.appendChild(pointer)
},
css: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},
addshimmy:function(target){
var shim=(!window.opera)? document.createElement("iframe") : document.createElement("div")
shim.className="ddiframeshim"
shim.setAttribute("src", location.protocol=="https:"? this.httpsiframesrc : "about:blank")
shim.setAttribute("frameborder", "0")
target.appendChild(shim)
try{shim.style.filter='progid:DXImageTransform.Microsoft.Alpha(style=0,opacity=0)'}
catch(e){}
return shim
},
positionshim:function(header, submenu, dir, scrollX, scrollY){
if(header._istoplevel){
var scrollY=window.pageYOffset? window.pageYOffset : this.standardbody.scrollTop
var topgap=header._offsets.top-scrollY
var bottomgap=scrollY+this.docheight-header._offsets.top-header._dimensions.h
if(topgap>0){
this.shimmy.topshim.style.left=scrollX+"px"
this.shimmy.topshim.style.top=scrollY+"px"
this.shimmy.topshim.style.width="99%"
this.shimmy.topshim.style.height=topgap+"px"
}
if(bottomgap>0){
this.shimmy.bottomshim.style.left=scrollX+"px"
this.shimmy.bottomshim.style.top=header._offsets.top + header._dimensions.h +"px"
this.shimmy.bottomshim.style.width="99%"
this.shimmy.bottomshim.style.height=bottomgap+"px"
}}},
hideshim:function(){
this.shimmy.topshim.style.width=this.shimmy.bottomshim.style.width=0
this.shimmy.topshim.style.height=this.shimmy.bottomshim.style.height=0
},
buildmenu:function(mainmenuid, header, submenu, submenupos, istoplevel, dir){
header._master=mainmenuid
header._pos=submenupos
header._istoplevel=istoplevel
if(istoplevel){
this.addEvent(header, function(e){
ddlevelsmenu.hidemenu(ddlevelsmenu.subuls[this._master][parseInt(this._pos)])
}, "click")
}
this.subuls[mainmenuid][submenupos]=submenu
header._dimensions={w:header.offsetWidth, h:header.offsetHeight, submenuw:submenu.offsetWidth, submenuh:submenu.offsetHeight}
this.getoffsetof(header)
submenu.style.left=0
submenu.style.top=0
submenu.style.visibility="hidden"
this.addEvent(header, function(e){
if(!ddlevelsmenu.isContained(this, e)){
var submenu=ddlevelsmenu.subuls[this._master][parseInt(this._pos)]
if(this._istoplevel){
ddlevelsmenu.css(this, "selected", "add")
clearTimeout(ddlevelsmenu.hidetimers[this._master][this._pos])
}
ddlevelsmenu.getoffsetof(header)
var scrollX=window.pageXOffset? window.pageXOffset : ddlevelsmenu.standardbody.scrollLeft
var scrollY=window.pageYOffset? window.pageYOffset : ddlevelsmenu.standardbody.scrollTop
var submenurightedge=this._offsets.left + this._dimensions.submenuw + (this._istoplevel && dir=="topbar"? 0 : this._dimensions.w)
var submenubottomedge=this._offsets.top + this._dimensions.submenuh
var menuleft=(this._istoplevel? this._offsets.left + (dir=="sidebar"? this._dimensions.w : 0) : this._dimensions.w)
if(submenurightedge-scrollX>ddlevelsmenu.docwidth){
menuleft+= -this._dimensions.submenuw + (this._istoplevel && dir=="topbar" ? this._dimensions.w : -this._dimensions.w)
}
submenu.style.left=menuleft+"px"
var menutop=(this._istoplevel? this._offsets.top + (dir=="sidebar"? 0 : this._dimensions.h) : this.offsetTop)
if(submenubottomedge-scrollY>ddlevelsmenu.docheight){
if(this._dimensions.submenuh<this._offsets.top+(dir=="sidebar"? this._dimensions.h : 0)-scrollY){
menutop+= - this._dimensions.submenuh + (this._istoplevel && dir=="topbar"? -this._dimensions.h : this._dimensions.h)
}
else{
menutop+= -(this._offsets.top-scrollY) + (this._istoplevel && dir=="topbar"? -this._dimensions.h : 0)
}}
submenu.style.top=menutop+"px"
if(ddlevelsmenu.enableshim && (ddlevelsmenu.effects.enableswipe==false || ddlevelsmenu.nonFF)){
ddlevelsmenu.positionshim(header, submenu, dir, scrollX, scrollY)
}
else{
submenu.FFscrollInfo={x:scrollX, y:scrollY}
}
ddlevelsmenu.showmenu(header, submenu, dir)
}}, "mouseover")
this.addEvent(header, function(e){ 
var submenu=ddlevelsmenu.subuls[this._master][parseInt(this._pos)]
if(this._istoplevel){
if(!ddlevelsmenu.isContained(this, e) && !ddlevelsmenu.isContained(submenu, e))
ddlevelsmenu.hidemenu(submenu)
}
else if(!this._istoplevel && !ddlevelsmenu.isContained(this, e)){
ddlevelsmenu.hidemenu(submenu)
}}, "mouseout")
},
setopacity:function(el, value){
el.style.opacity=value
if(typeof el.style.opacity!="string"){
el.style.MozOpacity=value
if(el.filters){
el.style.filter="progid:DXImageTransform.Microsoft.alpha(opacity="+ value*100 +")"
}}},
showmenu:function(header, submenu, dir){
if(this.effects.enableswipe || this.effects.enablefade){
if(this.effects.enableswipe){
var endpoint=(header._istoplevel && dir=="topbar")? header._dimensions.submenuh : header._dimensions.submenuw
submenu.style.width=submenu.style.height=0
submenu.style.overflow="hidden"
}
if(this.effects.enablefade){this.setopacity(submenu,0)}
submenu._curanimatedegree=0
submenu.style.visibility="visible"
clearInterval(submenu._animatetimer)
submenu._starttime=new Date().getTime()
submenu._animatetimer=setInterval(function(){ddlevelsmenu.revealmenu(header, submenu, endpoint, dir)}, 10)
}
else{
submenu.style.visibility="visible"
}},
revealmenu:function(header, submenu, endpoint, dir){
var elapsed=new Date().getTime()-submenu._starttime
if(elapsed<this.effects.duration){
if(this.effects.enableswipe){
if(submenu._curanimatedegree==0){
submenu.style[header._istoplevel && dir=="topbar"? "width" : "height"]="auto"
}
submenu.style[header._istoplevel && dir=="topbar"? "height" : "width"]=(submenu._curanimatedegree*endpoint)+"px"
}
if(this.effects.enablefade){
this.setopacity(submenu, submenu._curanimatedegree)
}}
else{
clearInterval(submenu._animatetimer)
if(this.effects.enableswipe){
submenu.style.width="auto"
submenu.style.height="auto"
submenu.style.overflow="visible"
}
if(this.effects.enablefade){
this.setopacity(submenu, 1)
submenu.style.filter=""
}
if(this.enableshim && submenu.FFscrollInfo)
this.positionshim(header, submenu, dir, submenu.FFscrollInfo.x, submenu.FFscrollInfo.y)
}
submenu._curanimatedegree=(1-Math.cos((elapsed/this.effects.duration)*Math.PI)) / 2
},
hidemenu:function(submenu){
if(typeof submenu._pos!="undefined"){ 
this.css(this.topitems[submenu._master][parseInt(submenu._pos)], "selected", "remove")
if(this.enableshim)
this.hideshim()
}
clearInterval(submenu._animatetimer)
submenu.style.left=0
submenu.style.top="-1000px"
submenu.style.visibility="hidden"
},
addEvent:function(target, functionref, tasktype){
if(target.addEventListener)
target.addEventListener(tasktype, functionref, false);
else if(target.attachEvent)
target.attachEvent('on'+tasktype, function(){return functionref.call(target, window.event)});
},
domready:function(functionref){
if(dd_domreadycheck){
functionref()
return
}
if(document.addEventListener){
document.addEventListener("DOMContentLoaded", function(){
document.removeEventListener("DOMContentLoaded", arguments.callee, false )
functionref();
dd_domreadycheck=true
}, false )
}
else if(document.attachEvent){
if(document.documentElement.doScroll && window == window.top) (function(){
if(dd_domreadycheck){
functionref()
return}
try{document.documentElement.doScroll("left")}
catch(error){setTimeout( arguments.callee,0);return;}
functionref();
dd_domreadycheck=true
})();}},
init:function(mainmenuid, dir){
this.standardbody=(document.compatMode=="CSS1Compat")? document.documentElement : document.body
this.topitemsindex=-1
this.ulindex=-1
this.topmenuids.push(mainmenuid)
this.topitems[mainmenuid]=[]
this.subuls[mainmenuid]=[]
this.hidetimers[mainmenuid]=[]
if(this.enableshim && !this.shimadded){
this.shimmy={}
this.shimmy.topshim=this.addshimmy(document.body)
this.shimmy.bottomshim=this.addshimmy(document.body)
this.shimadded=true
}
var menubar=document.getElementById(mainmenuid)
var alllinks=menubar.getElementsByTagName("a")
this.getwindowsize()
for (var i=0; i<alllinks.length; i++){
if(alllinks[i].getAttribute('rel')){
this.topitemsindex++
this.ulindex++
var menuitem=alllinks[i]
this.topitems[mainmenuid][this.topitemsindex]=menuitem 
var dropul=document.getElementById(menuitem.getAttribute('rel'))
document.body.appendChild(dropul) 
dropul.style.zIndex=2000 
dropul._master=mainmenuid 
dropul._pos=this.topitemsindex 
this.addEvent(dropul, function(){ddlevelsmenu.hidemenu(this)}, "click")
var arrowclass=(dir=="sidebar")? "rightarrowpointer" : "downarrowpointer"
var arrowpointer=(dir=="sidebar")? this.arrowpointers.rightarrow : this.arrowpointers.downarrow
if(this.arrowpointers.showarrow.toplevel)
this.addpointer(menuitem, arrowclass, arrowpointer, (dir=="sidebar")? "before" : "after")
this.buildmenu(mainmenuid, menuitem, dropul, this.ulindex, true, dir) 
dropul.onmouseover=function(){
clearTimeout(ddlevelsmenu.hidetimers[this._master][this._pos])
}
this.addEvent(dropul, function(e){ 
if(!ddlevelsmenu.isContained(this, e) && !ddlevelsmenu.isContained(ddlevelsmenu.topitems[this._master][parseInt(this._pos)], e)){
var dropul=this
if(ddlevelsmenu.enableshim)
ddlevelsmenu.hideshim()
ddlevelsmenu.hidetimers[this._master][this._pos]=setTimeout(function(){
ddlevelsmenu.hidemenu(dropul)
}, ddlevelsmenu.hideinterval)
}
}, "mouseout")
var subuls=dropul.getElementsByTagName("ul")
for (var c=0; c<subuls.length; c++){
this.ulindex++
var parentli=subuls[c].parentNode
if(this.arrowpointers.showarrow.sublevel)
this.addpointer(parentli.getElementsByTagName("a")[0], "rightarrowpointer", this.arrowpointers.rightarrow, "before")
this.buildmenu(mainmenuid, parentli, subuls[c], this.ulindex, false, dir)
}}}
this.addEvent(window, function(){ddlevelsmenu.getwindowsize(); ddlevelsmenu.gettopitemsdimensions()}, "resize")
},
setup:function(mainmenuid,dir){this.domready(function(){ddlevelsmenu.init(mainmenuid,dir)})}}