function SymError()
{
  return true;
}
window.onerror = SymError;
var SymRealWinOpen = window.open;
function SymWinOpen(url, name, attributes)
{
  return (new Object());
}
window.open = SymWinOpen;

window.open = SymRealWinOpen;

function OpenMap() {
window.open("/guide/map-key.html","Map_Window","width=800,height=600,scrollbars,status=yes,resizable");
}
function preload() {
  if (!document.images) return;
  var ar = new Array();
  var arguments = preload.arguments;
  for (var i = 0; i < arguments.length; i++) {
    ar[i] = new Image();
    ar[i].src = arguments[i];
  }
}