function popUp(mypage,myname,catg) {
  LeftPosition = (screen.width-948)/2; TopPosition = (screen.height-711)/2;
  window.open(('foto.htm?pic='+mypage+'&catg='+catg),myname,'width=948, height=711, top='+TopPosition+', left='+LeftPosition+', toolbar=0, scrollbars=0, location=0, status=1, menubar=0, resizable=0');
}

function externalLinks() { 
  if(!document.getElementsByTagName ) { return; } 
  var anchors = document.getElementsByTagName( "a" ); 
  for( var loop = 0; loop < anchors.length; loop++ ) { 
    var anchor = anchors[ loop ]; 
    if( anchor.getAttribute( "href" ) && anchor.getAttribute( "rel" ) == "external" ) { 
      anchor.target = "_blank"; 
    } 
  } 
}