// $Id: inputaddress.js 395 2009-06-22 10:39:06Z mustafa $

/**
 * @author Cafer Şimşek
 * @param field
 * @return
 */
function number_only(field) {
    var check = true;
    var value = field.value;
    for ( var i = 0; i < field.value.length; ++i) {
	var new_key = value.charAt(i);
	if (((new_key < "0") || (new_key > "9")) && !(new_key == "")) {
	    check = false;
	    break;
	}
    }
    if (!check) {
	field.value = "";
    }
    if (value > 255) {
	field.value = 255;
    }
}