SubmitButton = {
	onClick : function (elm, callback) {
		var callback_result = true;
		if(callback) {
			callback_result = callback(elm);
		}
		if(callback_result) {
			if(!elm.loading) {
				Element.show(elm.nextSibling);
				elm.loading = true;
				return true;
			}
		}
		return false;
	}
}