function reset_text(object) {
	if (typeof(document.forms[0][object]) != 'undefined') {
		document.forms[0][object].value = "";
	}
}

function reset_option(object) {
	if (typeof(document.forms[0][object]) != 'undefined') {
		document.forms[0][object].options[0].selected = true;
	}
}

function reset_checkbox(object) {
	if (typeof(document.forms[0][object]) != 'undefined') {
		document.forms[0][object].checked = "";
	}
}