function searchText() {
	var searchInput = document.getElementById('search');
	searchInput.value='search';
	searchInput.onfocus= function() {if (this.value=='search'){this.value=''}};
	searchInput.onblur= function() {if (this.value==''){this.value='search'}};
}
	
	
function getElementsByClass(searchClass,node,tag) {
	var classElements = new Array();
	if ( node == null )
		node = document;
	if ( tag == null )
		tag = '*';
	var els = node.getElementsByTagName(tag);
	var elsLen = els.length;
	var pattern = new RegExp("(^|\\s)"+searchClass+"(\\s|$)");
	for (i = 0, j = 0; i < elsLen; i++) {
		if ( pattern.test(els[i].className) ) {
			classElements[j] = els[i];
			j++;
		}
	}
	return classElements;
}
			
			
function newsHover (section) {
	if (!document.getElementsByTagName) return false;
	var tags = getElementsByClass(section);
	for (i=0;i<tags.length;i++) {
		tags[i].onmouseover=function() {this.className+=" newsHover";}
		tags[i].onmouseout=function() {this.className=this.className.replace(new RegExp(" newsHover\\b"), "")}
	}
		
}

// simon willison's addloadevent http://simon.incutio.com/archive/2004/05/26/addLoadEvent
function addLoadEvent(func) {
	var oldonload = window.onload;
	if (typeof window.onload != 'function') {
		window.onload = func;
	} else {
		window.onload = function() {
			oldonload();
			func();
		}
	}
}//End of addLoadEvent

addLoadEvent(searchText);
addLoadEvent(function() {
	newsHover ('newsList');
	showAreas('ukMap','areaList');
	initMouseOver();
});


function showAreas(obj, objList) {
	if(!document.getElementById(obj)) return;
		var myAreas = document.getElementsByTagName("area");
		var imgMap = document.getElementById(obj);
		//store default image src
		var DefaultSrc=imgMap.src;
		var absURL=/^htt(p|ps):\/\/[a-zA-Z0-9\.\-]*\//
		for(i=0;i<myAreas.length;i++) {
			myAreas[i].onmouseover = function () {
				var chosenArea=this.href.replace(absURL, "")
				document.getElementById(chosenArea).className="highlight";
				swapImage(imgMap,"images/map"+chosenArea+".gif");
			}
			myAreas[i].onmouseout = function () {
				var chosenArea=this.href.replace(absURL, "")
				document.getElementById(chosenArea).className="";
				swapImage(imgMap,DefaultSrc);
			}
		}
		
		var objList = document.getElementById(objList);
		var myAreasList = objList.getElementsByTagName("li");
		for(i=0;i<myAreasList.length;i++) {
			myAreasList[i].onmouseover = function () {
				this.className="highlight";
				swapImage(imgMap,"images/map"+this.id+".gif");
			}
			myAreasList[i].onmouseout = function () {
				this.className="";
				swapImage(imgMap,DefaultSrc);
			}
		}
	}
	
	
	function swapImage(item,newSrc) {
		item.src=newSrc;
	}
	
	
	
	
	var mouseOvers = new Array();
var mouseOuts = new Array();

function initMouseOver() {

	var imgs = getElementsByClass('banners');
	for (var i=0;i<imgs.length;i++)
	{
		imgs[i].onmouseover = mouseGoesOver;
		imgs[i].onmouseout = mouseGoesOut;
		var suffix = imgs[i].src.substring(imgs[i].src.lastIndexOf('.'));
		mouseOuts[i] = new Image();
		mouseOuts[i].src = imgs[i].src;
		mouseOvers[i] = new Image();
		mouseOvers[i].src = imgs[i].src.substring(0,imgs[i].src.lastIndexOf('.')) + "-over" + suffix;
		imgs[i].number = i;
	}
}

function mouseGoesOver()
{
	this.src = mouseOvers[this.number].src;
}

function mouseGoesOut()
{
	this.src = mouseOuts[this.number].src;
}