function alterPage(url) {
	url = url || document.getElementById('alterpageform').action;
	window.location.href = url;
}
if (window.MooTools && window.ie6) {
	window.addEvent('domready', function () {
		var btnAlterPage = $('button-alterpage');
		btnAlterPage.addEvent('mouseenter', function (event) {
			btnAlterPage.setStyle('background-position', '0px 28px');
		}).addEvent('mouseleave', function (event) {
			btnAlterPage.setStyle('background-position', '0px 0px');
		});
	});
}