function buttonSubmitFix() {
	if ($.browser.msie && $.browser.version == '7.0') {
		$('button').each(function(index) {
			var btn = $(this);
			btn.mouseup(function() {
				btn.parents().find('form').submit();
				return false;
			});
		});
	}
}

$(document).ready(function() {
	buttonSubmitFix();
});