/* ==== graf link ============= modified 6 October 2006  ========= */

function swit(img)
  {  var posn=(location.pathname.indexOf("pages")== -1)?"":"../";         
     var wch=(img)? "2":"1"
     wch=posn+"images/graf_"+wch+".jpg";
var elem=(document.getElementById)?document.getElementById("sw"):(document.all)?document.all("sw"):null; 
      elem.src=wch          
}