var nz_map_n = new Image(399,350);
var nz_map_s = new Image(399,350);


function createImg(img, id)
{
	img.src = "/images/garstang/nz_map_" + id + ".gif";
}

function setupImageMap()
{
	var imgs = [nz_map_n, nz_map_s]
	var ids = ["n", "s"];
	
	for (var i=0; i<ids.length; i++)
	{	
		createImg(imgs[i], ids[i]);
		
		document.getElementById(ids[i]).onmouseout = function()
		{
			addHoverOff();
		}
	}

	document.getElementById('n').onmouseover = function()
	{
		addHoverOn(nz_map_n.src);
	}
	document.getElementById('s').onmouseover = function()
	{
		addHoverOn(nz_map_s.src);
	}
		
}
function addHoverOn(img)
{
	document.getElementById('nz_imgmap').src = img; 
	return true; 
}

function addHoverOff()
{
	document.getElementById('nz_imgmap').src = "/images/garstang/nz_map.gif";
}


addEvent(window,'unload',EventCache.flush);

addEvent(window,'load', setupImageMap);