function ssInit() {
	var imgs = document.getElementsByTagName('img');
	for (var i=0; i < imgs.length; i++) {
		if (imgs[i].className == 'screenshot') {
			imgs[i].onmouseover = ssExpand;
			imgs[i].onmouseout = ssContract;
		}
	}
}

function ssExpand() {
	this.style.width = 'auto';
}

function ssContract() {
	this.style.width = '10%';
}