var popUpWin=0;
function popUpWindow(URLStr, left, top, width, height)
{
  if(popUpWin)
  {
    if(!popUpWin.closed) popUpWin.close();
  }
  popUpWin = open(URLStr, 'popUpWin', 'toolbar=no,location=no,directories=no,status=no,menub ar=no,resizable,scrollbars=yes,copyhistory=no,width='+width+',height='+height+',left='+left+', top='+top+',screenX='+left+',screenY='+top+'');
} 


function addCaption( oImgElem, bUseCaptionMarker )
{
  // Insert Caption
  var oCaptionElem = document.createElement("div");
  oCaptionElem.className = "caption";

  if( bUseCaptionMarker)
  {
    var oCaptionMarkerElem = document.createElement("div");
    oCaptionMarkerElem.className = "caption-marker";
    var oCaptionMarkerTextElem = document.createTextNode("\u00bb");
    oCaptionMarkerElem.appendChild(oCaptionMarkerTextElem);
    oCaptionElem.appendChild(oCaptionMarkerElem );
  }

  var oCaptionTextElem = document.createElement("div");
  oCaptionTextElem.className = "caption-text";
  var oCaptionText = document.createTextNode( oImgElem.alt );
  oCaptionTextElem.appendChild(oCaptionText );
  oCaptionElem.appendChild(oCaptionTextElem);

  if( oImgElem.getAttribute("copyright") != null )
  {
    var oCopyrightElem = document.createElement("div");
    oCopyrightElem.className = "copyright";
    var oCopyrightText = document.createTextNode( 
      oImgElem.getAttribute("copyright") );
    oCopyrightElem.appendChild(oCopyrightText);
    oCaptionElem.appendChild(oCopyrightElem );
  }

  if(oImgElem.nextSibling) 
    oImgElem.parentNode.insertBefore(oCaptionElem,
      oImgElem.nextSibling);
  else
    oImgElem.parentNode.appendChild(oCaptionElem);

  with(oImgElem.style)
  {
    oCaptionElem.style.width = (oImgElem.width+borderLeft+
      borderRight+paddingLeft+paddingRight)+"px";
  }

  return true; 
}