var uniquepageid=window.location.href.replace("http://"+window.location.hostname, "").replace(/^\//, "")
function animatedcollapse(divId, animatetime, persistexpand, initstate){
this.divId=divId
this.divObj=document.getElementById(divId)
this.divObj.style.overflow="hidden"
this.timelength=animatetime
this.initstate=(typeof initstate!="undefined" && initstate=="block")? "block" : "contract"
this.isExpanded=animatedcollapse.getCookie(uniquepageid+"-"+divId)
this.contentheight=parseInt(this.divObj.style.height)
var thisobj=this
if (isNaN(this.contentheight)){
animatedcollapse.dotask(window, function(){thisobj._getheight(persistexpand)}, "load")
if (!persistexpand && this.initstate=="contract" || persistexpand && this.isExpanded!="yes" && this.isExpanded!="")
this.divObj.style.visibility="hidden" //hide content (versus collapse) until we can get its height
}
else if (!persistexpand && this.initstate=="contract" || persistexpand && this.isExpanded!="yes" && this.isExpanded!="")
this.divObj.style.height=0 //just collapse content if CSS "height" attribute available
if (persistexpand)
animatedcollapse.dotask(window, function(){animatedcollapse.setCookie(uniquepageid+"-"+thisobj.divId, thisobj.isExpanded)}, "unload")
}
animatedcollapse.prototype._getheight=function(persistexpand){
this.contentheight=this.divObj.offsetHeight
if (!persistexpand && this.initstate=="contract" || persistexpand && this.isExpanded!="yes"){
this.divObj.style.height=0 //collapse content
this.divObj.style.visibility="visible"
}
else
this.divObj.style.height=this.contentheight+"px"
}
animatedcollapse.prototype._slideengine=function(direction){
var elapsed=new Date().getTime()-this.startTime
var thisobj=this
if (elapsed<this.timelength){
var distancepercent=(direction=="down")? animatedcollapse.curveincrement(elapsed/this.timelength) : 1-animatedcollapse.curveincrement(elapsed/this.timelength)
this.divObj.style.height=distancepercent * this.contentheight +"px"
this.runtimer=setTimeout(function(){thisobj._slideengine(direction)}, 10)
}
else{
this.divObj.style.height=(direction=="down")? this.contentheight+"px" : 0
this.isExpanded=(direction=="down")? "yes" : "no"
this.runtimer=null
}
}
animatedcollapse.prototype.slidedown=function(){
if (typeof this.runtimer=="undefined" || this.runtimer==null){
if (isNaN(this.contentheight))
alert("Please wait until document has fully loaded then click again")
else if (parseInt(this.divObj.style.height)==0){
this.startTime=new Date().getTime()
this._slideengine("down")
}
}
}
animatedcollapse.prototype.slideup=function(){
if (typeof this.runtimer=="undefined" || this.runtimer==null){
if (isNaN(this.contentheight))
alert("Please wait until document has fully loaded then click again")
else if (parseInt(this.divObj.style.height)==this.contentheight){
this.startTime=new Date().getTime()
this._slideengine("up")
}
}
}
animatedcollapse.prototype.slideit=function(){
if (isNaN(this.contentheight))
alert("Please wait until document has fully loaded then click again")
else if (parseInt(this.divObj.style.height)==0)
this.slidedown()
else if (parseInt(this.divObj.style.height)==this.contentheight)
this.slideup()
}
animatedcollapse.curveincrement=function(percent){
return (1-Math.cos(percent*Math.PI)) / 2
}
animatedcollapse.dotask=function(target, functionref, tasktype){
var tasktype=(window.addEventListener)? tasktype : "on"+tasktype
if (target.addEventListener)
target.addEventListener(tasktype, functionref, false)
else if (target.attachEvent)
target.attachEvent(tasktype, functionref)
}
animatedcollapse.getCookie=function(Name){ 
var re=new RegExp(Name+"=[^;]+", "i");
if (document.cookie.match(re)) //if cookie found
return document.cookie.match(re)[0].split("=")[1] //return its value
return ""
}
animatedcollapse.setCookie=function(name, value){
document.cookie = name+"="+value
}