// screen saver functions                                  
var screensaverTimeOut = 90*1000;
var screensaverAlias = site_alias;
var screensaverPageId = "i000000";
var screensaverTimer = -1;

function runScreenSaver() {
  if (screensaverTimer!=-1) clearTimeout(screensaverTimer);
  document.URL = "page.asp?id=" + screensaverPageId + "&alias=" + screensaverAlias;
}

function resetScreenSaver() {
  if (screensaverTimer!=-1) clearTimeout(screensaverTimer);
  if (page_id!=screensaverPageId | site_alias!=screensaverAlias) screensaverTimer = window.setTimeout(runScreenSaver, screensaverTimeOut);  
}