var AJAX_TIMEOUT = 30000;
var RESIZE_IMAGES_TIMEOUT = 50;

var ALERT_DEF_LIFETIME_DAY = 30;
var ALERT_EXPIRING_PERIOD = 86400 * 2;          // 2 days

var NUM_SEARCH_RESULT_COL = 5;
var NUM_SEARCH_RESULT_ROW = 5;
var NUM_SEARCH_RESULT_PER_PAGE = NUM_SEARCH_RESULT_COL * NUM_SEARCH_RESULT_ROW;

var currencies = {'USD': 1, 'EUR': 2, 'GBP': 3, 'CAD': 4};