/*
 *		http://www.alistapart.com/articles/popuplinks
 *		Accessible Pop-up Links -  Caio Chassot
 *
 */



var _POPUP_FEATURES = 'location=0, statusbar=0, menubar=0, width=400, height=300, scrollbars=yes';

function raw_popup(url, target, features) {
  if (isUndefined(features)) {
    features = _POPUP_FEATURES;
  }
  if (isUndefined(target)) {
	 alert("UNDEFINED");
    target = '_blank';
  }
  var theWindow =
    window.open(url, target, features);
  theWindow.focus();
  return theWindow;
}

function link_popup(src, features) {
    raw_popup(src.getAttribute('href'),
    src.getAttribute('target') || '_blank',
    features);
}

function isUndefined(v) { 
	var undef;
	return v===undef;
}