var ddlevelsmenu={
enableshim: true,
arrowpointers:{
downarrow: ["lib_menus/nofletxa.gif",11,7],
rightarrow: ["lib_menus/fletxa.gif",12,12],
showarrow:{toplevel: true,sublevel: true}
},
hideinterval: 200,
effects:{enableswipe: true,enablefade: true,duration: 240},
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,0.95)
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)})
},
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.addEvent(window,function(){ddlevelsmenu.init(mainmenuid,dir)},"load")}}