var clean=1;
var pageName;
var imageName;

function pop( pageName ) {
  popup=open( "http://www.pandapub.com/zones/" + pageName + ".htm", "popup", "width=475,height=250,scrolling=yes,resizeable=no" );
  clean=0;
}

function endpop() {
  if ( clean!=1 && !popup.closed ) {
    popup.close();
  }
}