if (document.getElementById) {
	window.onload = init;
}
function init() {

	if (document.getElementById('imageMap')) {
		
		current = document.getElementById('region0');
		
		//Map images
		map0Image = new Image();
		map0Image.src = "images/map0.gif";
		map1Image = new Image();
		map1Image.src = "images/map1.gif";
		map2Image = new Image();
		map2Image.src = "images/map2.gif";
		map3Image = new Image();
		map3Image.src = "images/map3.gif";
		map4Image = new Image();
		map4Image.src = "images/map4.gif";
		map5Image = new Image();
		map5Image.src = "images/map5.gif";
		map6Image = new Image();
		map6Image.src = "images/map6.gif";
		map7Image = new Image();
		map7Image.src = "images/map7.gif";
		map8Image = new Image();
		map8Image.src = "images/map8.gif";
		map9Image = new Image();
		map9Image.src = "images/map9.gif";
		map10Image = new Image();
		map10Image.src = "images/map10.gif";
		map11Image = new Image();
		map11Image.src = "images/map11.gif";
		map12Image = new Image();
		map12Image.src = "images/map12.gif";
		map13Image = new Image();
		map13Image.src = "images/map13.gif";
			
		//get image map areas within the map and attach mouseon and mouseoff events for the rollovers
		var mapAreas = document.getElementById('imageMap').getElementsByTagName('AREA');
		
		for (i=0;i<mapAreas.length;i++) {
			mapAreas[i].onmouseover = imageOn;
			mapAreas[i].onmouseout = imageOff;
		}
	}
	//if page with dropdowns
	if (document.getElementById('dropDown1')) {
		dropDownRegions = getElementsByClassName('dropDown');
		//hide all dropdown-able regions
		for (i=0;i<dropDownRegions.length;i++) {
			dropDownRegions[i].style.display = 'none';
		}
	}
	//mouseovers for the meet the students page
	if (document.getElementById('MSbtmleft')) {
		buttons = getElementsByClassName('moreButton');
		for (i=0;i<buttons.length;i++) {
			buttons[i].onmouseover = moreButtonOn;
			buttons[i].onmouseout = moreButtonOff;
		}
	}
	
	//external links
	if (!document.getElementsByTagName) return;
	 var anchors = document.getElementsByTagName("a");
	 for (var i=0; i<anchors.length; i++) {
		 var anchor = anchors[i];
		 if (anchor.getAttribute("href") &&
				 anchor.getAttribute("rel") == "external")
			 anchor.target = "_blank";
	 }
}

function moreButtonOn() {
	this.src = './images/btn_read-more_on.jpg';
}
function moreButtonOff() {
	this.src = './images/btn_read-more.jpg';
}

function imageOn() {
	document.getElementById('mapBackground').src = eval(this.id+'Image.src');
}

function imageOff() {
	document.getElementById('mapBackground').src = map0Image.src;
}

/*
function getElementsByClassName(node, classname) {
    var a = [];
    var re = new RegExp('\\b' + classname + '\\b');
    var els = node.getElementsByTagName("*");
    for(var i=0,j=els.length; i<j; i++)
        if(re.test(els[i].className))a.push(els[i]);
    return a;
}
*/

/* Map event onmouseover/out */
function mapImage(imgNo){// imgNo int
	//alert('called');
	imagePath = 'images/map'+imgNo+'.gif';//generate image path using image number
	document.getElementById('mapBackground').src = imagePath; // set the img.
}



function setInfo(region){
	/*
	document.getElementById('ou-near-you-subhead_2').innerHTML ='<h2><font style="color:#24B7EA;font-size:0.7em;">' + header + '</font></h2>';
	document.getElementById('areaContent').innerHTML ='<p>'+ content +'</p>';
	*/
	current.style.display = 'none';
	current = document.getElementById('region'+region);
	current.style.display = 'block';
	
	
	// track this region click in google analytics
	var h = current.getElementsByTagName('h3');
	var region = h[0].childNodes[0].nodeValue;
	region = region.replace(/\W/ig,"_");
	pageTracker._trackPageview(window.location+"?region="+region);
            
}

/* Drop down boxes */
function enlargeBox(BoxID, maxHeight){
	document.getElementById('dropDown'+BoxID).style.display = 'block';
}

function shrinkBox(BoxID){
	document.getElementById('dropDown'+BoxID).style.display = 'none';
}

downSwitch = [0, true,true,true,true,true,true,true,true];
function dropDown(BoxID, size){
	if(downSwitch[BoxID] == true){
		document.getElementById('downArrow'+BoxID).src = 'images/arrow1.jpg';
		enlargeBox(BoxID, size);
		downSwitch[BoxID] = false;
	}else{
		document.getElementById('downArrow'+BoxID).src = 'images/arrow2.jpg';
		shrinkBox(BoxID);
		downSwitch[BoxID] = true;
	}
	if (window.event) { window.event.cancelBubble = true; }
	return false;
}

/* Martins $_GET Addon */
/*
var $_GET = new Object();
var $qry_str = location.search.substring(1);
var $k = 0;

if($qry_str.split("=")[1]){
do {
    $_GET[$qry_str.split("=")[0].replace(/&/, "")] = $qry_str.split("=")[1].split(/&|$/)[0];
    $qry_str = $qry_str.split($qry_str.split("=")[1].split(/&|$/)[0])[1];
    $k ++;
} while($k < (location.search.split("=").length - 1));
}
*/


/*
	Developed by Robert Nyman, http://www.robertnyman.com
	Code/licensing: http://code.google.com/p/getelementsbyclassname/
*/	
var getElementsByClassName = function (className, tag, elm){
	if (document.getElementsByClassName) {
		getElementsByClassName = function (className, tag, elm) {
			elm = elm || document;
			var elements = elm.getElementsByClassName(className),
				nodeName = (tag)? new RegExp("\\b" + tag + "\\b", "i") : null,
				returnElements = [],
				current;
			for(var i=0, il=elements.length; i<il; i+=1){
				current = elements[i];
				if(!nodeName || nodeName.test(current.nodeName)) {
					returnElements.push(current);
				}
			}
			return returnElements;
		};
	}
	else if (document.evaluate) {
		getElementsByClassName = function (className, tag, elm) {
			tag = tag || "*";
			elm = elm || document;
			var classes = className.split(" "),
				classesToCheck = "",
				xhtmlNamespace = "http://www.w3.org/1999/xhtml",
				namespaceResolver = (document.documentElement.namespaceURI === xhtmlNamespace)? xhtmlNamespace : null,
				returnElements = [],
				elements,
				node;
			for(var j=0, jl=classes.length; j<jl; j+=1){
				classesToCheck += "[contains(concat(' ', @class, ' '), ' " + classes[j] + " ')]";
			}
			try	{
				elements = document.evaluate(".//" + tag + classesToCheck, elm, namespaceResolver, 0, null);
			}
			catch (e) {
				elements = document.evaluate(".//" + tag + classesToCheck, elm, null, 0, null);
			}
			while ((node = elements.iterateNext())) {
				returnElements.push(node);
			}
			return returnElements;
		};
	}
	else {
		getElementsByClassName = function (className, tag, elm) {
			tag = tag || "*";
			elm = elm || document;
			var classes = className.split(" "),
				classesToCheck = [],
				elements = (tag === "*" && elm.all)? elm.all : elm.getElementsByTagName(tag),
				current,
				returnElements = [],
				match;
			for(var k=0, kl=classes.length; k<kl; k+=1){
				classesToCheck.push(new RegExp("(^|\\s)" + classes[k] + "(\\s|$)"));
			}
			for(var l=0, ll=elements.length; l<ll; l+=1){
				current = elements[l];
				match = false;
				for(var m=0, ml=classesToCheck.length; m<ml; m+=1){
					match = classesToCheck[m].test(current.className);
					if (!match) {
						break;
					}
				}
				if (match) {
					returnElements.push(current);
				}
			}
			return returnElements;
		};
	}
	return getElementsByClassName(className, tag, elm);
};
function externalLinks() {
 
}