// JavaScript Document

// EP and BP Navigation

function goForward() {
  window.location.href =
    document.categories.Categories.options[
      document.categories.Categories.selectedIndex
    +1].value;
}


function goBack() {
  window.location.href =
    document.categories.Categories.options[
      document.categories.Categories.selectedIndex
    -1].value;
}

// Arrow Image Swap
function switchit(id) {
	d = document.getElementById(id);
	if( d.src == 'http://exitllc.com/images/arrow.gif' ) {
		d.src = 'http://exitllc.com/images/arrow_down.gif';
	} else {
		
		d.src = 'http://exitllc.com/images/arrow.gif';
	}
}

// Seed a unique page ID.
var uniquepageid=window.location.href.replace("http://"+window.location.hostname, "").replace(/^\//, "")

// Start the collapse function.
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) //"yes" or "no", based on cookie value
	this.contentheight=parseInt(this.divObj.style.height)
	var thisobj=this
	// Use windo.load if CSS height not declared.
	if (isNaN(this.contentheight)){ 
		animatedcollapse.dotask(window, function(){thisobj._getheight(persistexpand)}, "load")
		if (!persistexpand && this.initstate=="contract" || persistexpand &&
		// Hide division unless said otherwise.
		this.isExpanded!="yes") 
		    // Hide content until height is generatd.
			this.divObj.style.visibility="hidden"
	}
	else if (!persistexpand && this.initstate=="contract" || persistexpand && this.isExpanded!="yes") 
		this.divObj.style.height=0
	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
		this.divObj.style.visibility="visible"
	}
	else 
		this.divObj.style.height=0
		this.divObj.style.visibility="visible"
			
}


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
	}
	/* fix right column height */
	P7_equalCols2(1,'bottomLeft','div','bottomRight','div');

	if( direction == "up" ) {
		
		document.p7eqc[4].style.paddingBottom = '0px';
			
		if( navigator.vendor == 'Apple Computer, Inc.' ) {
			//alert(document.p7eqc[4].style.paddingBottom);
			//document.p7eqc[4].style.paddingBottom = '0';
			if( ( document.p7eqc[1].offsetHeight - document.p7eqc[3].offsetHeight ) > 0 ) {
				//alert( (document.p7eqc[1].offsetHeight - document.p7eqc[3].offsetHeight ) );
				//document.p7eqc[4].style.paddingBottom = document.p7eqc[1].offsetHeight - document.p7eqc[3].offsetHeight;
			} else {
				//alert( 	'not: ' + ( document.p7eqc[1].offsetHeight - document.p7eqc[3].offsetHeight ) );
			}
			
		} else {
			//document.p7eqc[4].style.paddingBottom = document.p7eqc[1].offsetHeight - document.p7eqc[3].offsetHeight + 'px;';
		}
		//alert( (document.p7eqc[1].offsetHeight - document.p7eqc[3].offsetHeight) );
		//alert( document.p7eqc[4].style.paddingBottom );
		//document.p7eqc[4].style.paddingBottom = document.p7eqc[3].offsetHeight - document.p7eqc[1].offsetHeight + 'px;';
		//alert( navigator.vendor );
	}
	
}


animatedcollapse.prototype.slidedown=function(){
	if (typeof this.runtimer=="undefined" || this.runtimer==null){ //if animation isn't already running or has stopped running
		if (isNaN(this.contentheight)) //if content height not available yet (until window.onload)
			alert("Please wait until document has fully loaded then click again")
		else if (parseInt(this.divObj.style.height)==0){ //if content is collapsed
			this.startTime=new Date().getTime() //Set animation start time
			this._slideengine("down")
		}
	}
}

animatedcollapse.prototype.slideup=function(){
	if (typeof this.runtimer=="undefined" || this.runtimer==null){ //if animation isn't already running or has stopped running
		//alert( document.getElementById('bottomRight').style.paddingBottom );
		if (isNaN(this.contentheight)) //if content height not available yet (until window.onload)
			alert("Please wait until document has fully loaded then click again")
		else if (parseInt(this.divObj.style.height)==this.contentheight){ //if content is expanded
			this.startTime=new Date().getTime();
			this._slideengine("up");
			//document.getElementById('bottomRight').style.height = parseInt( document.getElementById('bottomRight').style.height) - parseInt(this.divObj.style.height);
			
			//alert( document.getElementById('bottomRight').style.paddingBottom );
		}
	}

}

animatedcollapse.prototype.slideit=function(){
	if (isNaN(this.contentheight)) //if content height not available yet (until window.onload)
		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()
}

// -------------------------------------------------------------------
// A few utility functions below:
// -------------------------------------------------------------------

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)) 
		return document.cookie.match(re)[0].split("=")[1] 
	return ""
}

animatedcollapse.setCookie=function(name, value, days){
	if (typeof days!="undefined"){ //if set persistent cookie
		var expireDate = new Date()
		var expstring=expireDate.setDate(expireDate.getDate()+days)
		document.cookie = name+"="+value+"; expires="+expireDate.toGMTString()
	}
	else //else if this is a session only cookie
		document.cookie = name+"="+value
}