// Equalize the column heights and add the footer to the bottom after page loads
	function $() {
		var elements = new Array();
		for (var i = 0; i < arguments.length; i++) {
			var element = arguments[i];
			if (typeof element == 'string')
				element = document.getElementById(element);
			if (arguments.length == 1)
				return element;
			elements.push(element);
		}
		return elements;
	}

	var BoxHeights = {
		maxh: 0,
		maxb: 0,
		boxes: Array(),
		num: 0,
		equalise: function() {
			this.num = arguments.length;
			for (var i=0;i<this.num;i++) if (!$(arguments[i])) return;
			this.boxes = arguments;
			this.maxheight();
			for (var i=0;i<this.num;i++) $(arguments[i]).style.height = this.maxh + "px";
		},
		baseline: function() {
			this.num = arguments.length;
			for (var i=0;i<this.num;i++) if (!$(arguments[i])) return;
			this.boxes = arguments;
			this.findBase();
			for (var i=0;i<this.num;i++) $(arguments[i]).style.height = (this.maxb - $(arguments[i]).offsetTop) + "px";
		},
		findBase: function() {
			var bottoms = new Array();
			for (var i=0;i<this.num;i++) {
				if (navigator.userAgent.toLowerCase().indexOf('opera') == -1) {
					bottoms.push($(this.boxes[i]).offsetTop + $(this.boxes[i]).scrollHeight);
				} else {
					bottoms.push($(this.boxes[i]).offsetTop + $(this.boxes[i]).offsetHeight);
				}
			}
			bottoms.sort(this.sortNumeric);
			this.maxb = bottoms[this.num - 1];
		},
		maxheight: function() {
			var heights = new Array();
			for (var i=0;i<this.num;i++) {
				if (navigator.userAgent.toLowerCase().indexOf('opera') == -1) {
					heights.push($(this.boxes[i]).scrollHeight);
				} else {
					heights.push($(this.boxes[i]).offsetHeight);
				}
			}
			heights.sort(this.sortNumeric);
			//the 400 accounts for the padding in the layer
			this.maxh = heights[this.num-1] - 400;
			var objFooter = document.getElementById('footer');
			footerTopPx = (this.maxh + 394) +"px"
			objFooter.style.top = footerTopPx
			objFooter.style.visibility = 'visible';
		},
		sortNumeric: function(f,s) {
			return f-s;
		}
	}

var old_window_onload = (window.onload) ? window.onload : function(){};
window.onload = function(){BoxHeights.equalise('leftcolumn','centercolumn','rightcolumn');populate();}

//special effects to modify table cell colours

function swapBGrow(el, BGR1, BGR2) {
	if(document.getElementById||(document.all && !(document.getElementById))){
		el.style.backgroundColor = (el.style.background == BGR1) ? BGR2 : BGR1;
	}
}

function swapBGcell(el, BGC1) {
	if(document.getElementById||(document.all && !(document.getElementById))){
		temp=el.style.backgroundColor;
		el.style.backgroundColor=BGC1;
	}
}

function swapBGcellBack(el) {
	if(document.getElementById||(document.all && !(document.getElementById))){
		el.style.backgroundColor=temp;
	}
}

function rollone(obj, highlightcolor){
	document.getElementById(obj).style.backgroundColor = highlightcolor;
}

function rolltwo(obja, objb, highlightcolor){
	document.getElementById(obja).style.backgroundColor = highlightcolor;
	document.getElementById(objb).style.backgroundColor = highlightcolor;
}

function keepbg(obj, highlightcolor){
	document.getElementById(obj).style.backgroundColor = highlightcolor;
}

// Form checking 
function NoName() {
	var replyname=document.getElementById('name').value;
	var replycomment=document.getElementById('comments').value;
	if (replyname.length<2) {
		alert("You forgot to fill out your name.\nI am dying to know who you are.");
		document.getElementById('name').focus();
		return false;
    }
	if (replycomment.length<5) {
		alert("What!?!? No comment.");
		document.getElementById('comments').focus();
		return false;
    }
}	

var cur_lyr;	// holds id of currently visible layer
function swapLayers(id) {
  if (cur_lyr) hideLayer(cur_lyr);
  showLayer(id);
  cur_lyr = id;
}

function showLayer(id) {
  var lyr = getElemRefs(id);
  if (lyr && lyr.css) lyr.css.visibility = "visible";
}

function hideLayer(id) {
  var lyr = getElemRefs(id);
  if (lyr && lyr.css) lyr.css.visibility = "hidden";
}

function getElemRefs(id) {
	var el = (document.getElementById)? document.getElementById(id): (document.all)? document.all[id]: (document.layers)? document.layers[id]: null;
	if (el) el.css = (el.style)? el.style: el;
	return el;
}

function getLocation(place) {
location.href = place;
}

/***********************************************
* Ultimate Fade-In Slideshow (v1.5): © Dynamic Drive (http://www.dynamicdrive.com)
* This notice MUST stay intact for legal use
* Visit http://www.dynamicdrive.com/ for this script and 100s more.
***********************************************/
 
var fadeimages=new Array()
//SET IMAGE PATHS. Extend or contract array as needed
fadeimages[0]=["pics/barn.jpg", "", ""] //plain image syntax
fadeimages[1]=["pics/devchargestudies.jpg", "", ""] //plain image syntax
fadeimages[2]=["pics/tourism.jpg", "", ""] //plain image syntax
fadeimages[3]=["pics/environassessment.jpg", "", ""] //plain image syntax
fadeimages[4]=["pics/projectmanagement.jpg", "", ""] //plain image syntax
fadeimages[5]=["pics/agricultureassessment.jpg", "", ""] //plain image syntax
 
var fadebgcolor="white"
 
////NO need to edit beyond here/////////////
 
var fadearray=new Array() //array to cache fadeshow instances
var fadeclear=new Array() //array to cache corresponding clearinterval pointers
 
var dom=(document.getElementById) //modern dom browsers
var iebrowser=document.all
 
function fadeshow(theimages, fadewidth, fadeheight, borderwidth, delay, pause, displayorder){
this.pausecheck=pause
this.mouseovercheck=0
this.delay=delay
this.degree=10 //initial opacity degree (10%)
this.curimageindex=0
this.nextimageindex=1
fadearray[fadearray.length]=this
this.slideshowid=fadearray.length-1
this.canvasbase="canvas"+this.slideshowid
this.curcanvas=this.canvasbase+"_0"
if (typeof displayorder!="undefined")
theimages.sort(function() {return 0.5 - Math.random();}) //thanks to Mike (aka Mwinter) :)
this.theimages=theimages
this.imageborder=parseInt(borderwidth)
this.postimages=new Array() //preload images
for (p=0;p<theimages.length;p++){
this.postimages[p]=new Image()
this.postimages[p].src=theimages[p][0]
}
 
var fadewidth=fadewidth+this.imageborder*2
var fadeheight=fadeheight+this.imageborder*2
 
if (iebrowser&&dom||dom) //if IE5+ or modern browsers (ie: Firefox)
document.write('<div id="master'+this.slideshowid+'" style="position:relative;width:'+fadewidth+'px;height:'+fadeheight+'px;overflow:hidden;"><div id="'+this.canvasbase+'_0" style="position:absolute;width:'+fadewidth+'px;height:'+fadeheight+'px;top:0;left:0;filter:progid:DXImageTransform.Microsoft.alpha(opacity=10);-moz-opacity:10;-khtml-opacity:10;background-color:'+fadebgcolor+'"></div><div id="'+this.canvasbase+'_1" style="position:absolute;width:'+fadewidth+'px;height:'+fadeheight+'px;top:0;left:0;filter:progid:DXImageTransform.Microsoft.alpha(opacity=10);-moz-opacity:10;background-color:'+fadebgcolor+'"></div></div>')
else
document.write('<div><img name="defaultslide'+this.slideshowid+'" src="'+this.postimages[0].src+'"></div>')
 
if (iebrowser&&dom||dom) //if IE5+ or modern browsers such as Firefox
this.startit()
else{
this.curimageindex++
setInterval("fadearray["+this.slideshowid+"].rotateimage()", this.delay)
}
}

function fadepic(obj){
if (obj.degree<100){
obj.degree+=10
if (obj.tempobj.filters&&obj.tempobj.filters[0]){
if (typeof obj.tempobj.filters[0].opacity=="number") //if IE6+
obj.tempobj.filters[0].opacity=obj.degree
else //else if IE5.5-
obj.tempobj.style.filter="alpha(opacity="+obj.degree+")"
}
else if (obj.tempobj.style.MozOpacity)
obj.tempobj.style.MozOpacity=obj.degree/101
else if (obj.tempobj.style.KhtmlOpacity)
obj.tempobj.style.KhtmlOpacity=obj.degree/100
}
else{
clearInterval(fadeclear[obj.slideshowid])
obj.nextcanvas=(obj.curcanvas==obj.canvasbase+"_0")? obj.canvasbase+"_0" : obj.canvasbase+"_1"
obj.tempobj=iebrowser? iebrowser[obj.nextcanvas] : document.getElementById(obj.nextcanvas)
obj.populateslide(obj.tempobj, obj.nextimageindex)
obj.nextimageindex=(obj.nextimageindex<obj.postimages.length-1)? obj.nextimageindex+1 : 0
setTimeout("fadearray["+obj.slideshowid+"].rotateimage()", obj.delay)
}
}
 
fadeshow.prototype.populateslide=function(picobj, picindex){
var slideHTML=""
if (this.theimages[picindex][1]!="") //if associated link exists for image
slideHTML='<a href="'+this.theimages[picindex][1]+'" target="'+this.theimages[picindex][2]+'">'
slideHTML+='<img src="'+this.postimages[picindex].src+'" border="'+this.imageborder+'px">'
if (this.theimages[picindex][1]!="") //if associated link exists for image
slideHTML+='</a>'
picobj.innerHTML=slideHTML
}
 
 
fadeshow.prototype.rotateimage=function(){
if (this.pausecheck==1) //if pause onMouseover enabled, cache object
var cacheobj=this
if (this.mouseovercheck==1)
setTimeout(function(){cacheobj.rotateimage()}, 100)
else if (iebrowser&&dom||dom){
this.resetit()
var crossobj=this.tempobj=iebrowser? iebrowser[this.curcanvas] : document.getElementById(this.curcanvas)
crossobj.style.zIndex++
fadeclear[this.slideshowid]=setInterval("fadepic(fadearray["+this.slideshowid+"])",50)
this.curcanvas=(this.curcanvas==this.canvasbase+"_0")? this.canvasbase+"_1" : this.canvasbase+"_0"
}
else{
var ns4imgobj=document.images['defaultslide'+this.slideshowid]
ns4imgobj.src=this.postimages[this.curimageindex].src
}
this.curimageindex=(this.curimageindex<this.postimages.length-1)? this.curimageindex+1 : 0
}
 
fadeshow.prototype.resetit=function(){
this.degree=10
var crossobj=iebrowser? iebrowser[this.curcanvas] : document.getElementById(this.curcanvas)
if (crossobj.filters&&crossobj.filters[0]){
if (typeof crossobj.filters[0].opacity=="number") //if IE6+
crossobj.filters(0).opacity=this.degree
else //else if IE5.5-
crossobj.style.filter="alpha(opacity="+this.degree+")"
}
else if (crossobj.style.MozOpacity)
crossobj.style.MozOpacity=this.degree/101
else if (crossobj.style.KhtmlOpacity)
crossobj.style.KhtmlOpacity=obj.degree/100
}
 
fadeshow.prototype.startit=function(){
var crossobj=iebrowser? iebrowser[this.curcanvas] : document.getElementById(this.curcanvas)
this.populateslide(crossobj, this.curimageindex)
if (this.pausecheck==1){ //IF SLIDESHOW SHOULD PAUSE ONMOUSEOVER
var cacheobj=this
var crossobjcontainer=iebrowser? iebrowser["master"+this.slideshowid] : document.getElementById("master"+this.slideshowid)
crossobjcontainer.onmouseover=function(){cacheobj.mouseovercheck=1}
crossobjcontainer.onmouseout=function(){cacheobj.mouseovercheck=0}
}
this.rotateimage()
}