function mouseEvent(e, action)
{
	var target;
	if (!e) var e = window.event;

	if (e.target) target = e.target;
	else if (e.srcElement) target = e.srcElement;

	if (target.nodeType == 3) target = target.parentNode; // defeat Safari bug

	if (action == 1)
	{
		target.src = target.src.replace(/1.jpg/,"2.jpg");
		target.src = target.src.replace(/1.gif/,"2.gif");
	}
	else
	{
		target.src = target.src.replace(/2.jpg/,"1.jpg");
		target.src = target.src.replace(/2.gif/,"1.gif");
	}
}