var NS6 = false;
var IE4 = (document.all)? true:false
var NS4 = (document.layers)? true:false
var NS6 = (document.getElementById)? true:false
var yesMac = false;
if (navigator.userAgent.indexOf("Mac")!=-1) yesMac = true;

var pageScroll = false;
var moveit = false;
var scrolldir = 0;

var screenAdj = 0
if (IE4) screenAdj = 8;
if (NS4&!NS6) screenAdj = 8;
if (yesMac&&IE4) screenAdj = 0;

function shyn(d1,d2,x){
	if (x=="on"){
		document.getElementById(d1).style.height=document.getElementById(d2).offsetHeight;
		}
	else {
		document.getElementById(d1).style.height='1';
	}
}

var menuViz = new Array();
for (i = 1; i<11; i++){
        menuViz[i]="false";
	}

function rollover(button,axtn,lname){
	if (document.images){document.images[button].src="./graphics/"+button+axtn+".gif";	}
}

function setCell(src,clrOver) {
	if (IE4){
 		var thestyle= eval("document.all."+src+".style");
 		thestyle.backgroundColor=clrOver;
 	}
	else if (NS6){
 		var thestyle= eval("document.getElementById('"+src+"').style");
 		thestyle.backgroundColor=clrOver;
 	}
}

function togglePOP(lname,viz){
		if (NS4&&!NS6) document.layers[lname].visibility = viz;
		else if (IE4) document.all[lname].style.visibility = viz;
		else if (NS6) document.getElementById(lname).style.visibility = viz;
	}

function toggleId(id,viz){
		var ele = document.getElementById(id);
		ele.style.display = viz ? '' : 'none';
	}
	
function popup(newurl,winWidth,winHeight,tb){
	starttext = "toolbar=no,location=no,directories=no,status=no,scrollbars=yes,resizeable=no,";
	if(tb=="print") starttext = "toolbar=yes,location=no,directories=no,status=no,scrollbars=yes,resizeable=no,";
	featuretext = starttext + "width="+winWidth+",height="+winHeight+",left=5,top=5";
	mainView = window.open(newurl,'ImagePreview',featuretext);
	mainView.focus();
}

function xLink(whereto){
	newLoc = "xlink.asp?nL=" + whereto
	popup(newLoc,440,275)
	}
	
var origWidth = 0
var origHeight = 0

function turnoffLayers(){
	for (i = 1; i<10; i++){
       if (menuViz[i]=="false"){	
	   		if(i!=7&&i!=8){
				togglePOP("menu"+i,"hidden");
				menuViz[i] = "false"; }
			}
	}
}

function resetTimer(){
	turnoffLayers();
	if (pageScroll) scroller();
 	setTimeout('resetTimer()',100);	
}

function troll(xcell,xcol){
    if (IE4)
        window.document.all[xcell].style.background = xcol;
	else if (NS6)
        window.document.getElementById(xcell).style.background = xcol;
	else if (NS4)
        window.document.layers[xcell].bgColor = xcol;
}

function scroller(){

	// get height
	if (NS4&&!NS6) var height = document.layers.textframe.document.layers.textblock.document.height
	else if (IE4) var height = document.all.textblock.scrollHeight
	else if (NS6) var height = document.getElementById("textblock").offsetHeight

	height = (height*-1) + 140 
	
	      if (moveit){
		   		if (NS6) {
		   			var thelayer = document.getElementById("textblock")
	                      y1 = parseInt(thelayer.style.top);
	                      y1 = y1 + scrolldir;
					if (y1>1){y1=0;}
					if (y1<height){y1=height}
					ny = y1 + "px"
	                      thelayer.style.top = ny;
	                     }
	             if (NS4&&!NS6) {
	                      y1 = parseInt(document.textframe.document.textblock.top);
	                      y1 = y1 + scrolldir;
	                      if (y1>1){y1=0;}
						  if (y1<height){y1=height}
	                      document.textframe.document.textblock.top = y1;
	                      }
	             if (IE4) {
	                      y1=parseInt(textblock.style.top);
	                      y1 = y1 + scrolldir;
	                      if (y1>1){y1=0;}
					if (y1<height){y1=height;}
	                      textblock.style.top = y1;
	                     }
					
	      }
}

//Animated Collapsible DIV- Author: Dynamic Drive (http://www.dynamicdrive.com)
//Last updated Aug 1st, 07'. Fixed bug with "block" parameter not working when persist is enabled
//Updated June 27th, 07'. Added ability for a DIV to be initially expanded.

var uniquepageid=window.location.href.replace("http://"+window.location.hostname, "").replace(/^\//, "") //get current page path and name, used to uniquely identify this page for persistence feature

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
	if (isNaN(this.contentheight)){ //if no CSS "height" attribute explicitly defined, get DIV's height on window.load
		animatedcollapse.dotask(window, function(){thisobj._getheight(persistexpand)}, "load")
		if (!persistexpand && this.initstate=="contract" || persistexpand && this.isExpanded!="yes" && this.isExpanded!="") //Hide DIV (unless div should be expanded by default, OR persistence is enabled and this DIV should be expanded)
			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!="") //Hide DIV (unless div should be expanded by default, OR persistence is enabled and this DIV should be expanded)
		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"){ //Hide DIV (unless div should be expanded by default, OR persistence is enabled and this DIV should be expanded)
		this.divObj.style.height=0 //collapse content
		this.divObj.style.visibility="visible"
	}
	else //else if persistence is enabled AND this content should be expanded, define its CSS height value so slideup() has something to work with
		this.divObj.style.height=this.contentheight+"px"
}


animatedcollapse.prototype._slideengine=function(direction){
	var elapsed=new Date().getTime()-this.startTime //get time animation has run
	var thisobj=this
	if (elapsed<this.timelength){ //if time run is less than specified length
		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{ //if animation finished
		this.divObj.style.height=(direction=="down")? this.contentheight+"px" : 0
		this.isExpanded=(direction=="down")? "yes" : "no" //remember whether content is expanded or not
		this.runtimer=null
	}
}


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
		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")
		}
	}
}

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 //return cos curve based value from a percentage input
}


animatedcollapse.dotask=function(target, functionref, tasktype){ //assign a function to execute to an event handler (ie: onunload)
	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"); //construct RE to search for target name/value pair
	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
}