function onchange_condition_people() {
	var id = document.getElementById("search_people");
	if (id) {
		var index = id.selectedIndex;
		if (document.getElementById("search_people").options[index].value == 0) {
			document.getElementById("condition_price_low").options[0].selected = true;
			document.getElementById("condition_price_low").disabled = true;
			document.getElementById("condition_price_high").options[0].selected = true;
			document.getElementById("condition_price_high").disabled = true;
		} else {
			document.getElementById("condition_price_low").disabled = false;
			document.getElementById("condition_price_high").disabled = false;
		}
	}
}