document.onmouseover = function(e)
{
	e = e ? e : window.event;
	var elem = e.target ? e.target : e.srcElement;
	
	if (elem.tagName=="A" && elem.parentNode.parentNode.id == 'photoList')
	{
		var list = $('photoList').getElementsByTagName('LI');
		for (var i=0; i < list.length; i++) classRemove(list[i], 'active');
		classAdd(elem.parentNode, 'active');
		$('photoDisplay').src = './images/' + elem.href.match(/(\w+)\.html$/)[1] + '.jpg';
	}
};

window.onload = function ()
{
	var list = $('photoList').getElementsByTagName('A');
	
	baPhotoPreload = new Array();
	for (var i=0; i < list.length; i++)
	{
		baPhotoPreload[i] = new Image();
		baPhotoPreload[i].src = './images/' + list[i].href.match(/(\w+)\.html$/)[1] + '.jpg';
	}
}