if(top != self) {
	top.location = self.location;
}

function int_input(id_name, max_value, max_name) {
	if(document.getElementById(id_name).value.length > max_value) {
		document.getElementById(id_name).value = document.getElementById(id_name).value.substr(0, max_value);
	}
	document.getElementById(max_name).innerHTML = max_value - document.getElementById(id_name).value.length;
}