/* popup */

var _POPUP_FEATURES = 'location=0,statusbar=0,menubar=0,width=730,height=600,scrollbars=1,resizable=1';
function raw_popup(url, target, features)
{
  if(isUndefined(features))
  {
    features = _POPUP_FEATURES;
  }
  if(isUndefined(target))
  {
    target = '_blank';
  }
  var theWindow = window.open(url, target, features);
  theWindow.focus();
  return theWindow;
}
function link_popup(src, features)
{
  return raw_popup(src.getAttribute('href'), src.getAttribute('target') || '_blank', features);
}
function isUndefined(a) { return typeof a == 'undefined' }