function change () { 
  
       // get location into array
       arr = document.location.href.split('/');
       for(j=1;j<arr.length;j++){
          arr[j] = arr[j-1]+'/'+arr[j];
       }

       // go through each link in document
       for(i=0;i<document.links.length;i++){
          var tmp = -1;
          // get class name of link
          clss = document.links[i].className;
          
//alert("link  in document = " + document.links[i].href);
// alert( "document.links[" + i + "].className = " + clss + "\nclss = " + clss);

          // get link into array
          arr1 = document.links[i].href.split('/');
          for(j=1;j<arr1.length;j++){
              arr1[j] = arr1[j-1]+'/'+arr1[j];
          }

          // highlight index.html is parent directory of location
          // N.B. home page on meuu is index2.html
          
             // remove Javascript search params
             var linknoparams = (document.links[i].href);
             linknoparams = linknoparams.replace(/.openmenu.*/i,'');
             var locationnoparams = (arr[arr.length-2]);
             locationnoparams = locationnoparams.replace(/.openmenu.*/i,'');
             
          for(k=1;k<arr.length;k++){
              if( linknoparams == arr[k]+"/index.html" ){
                  document.links[i].style.color = "#FFFFFF";
              } 
          }

          // OVERRIDE index.html highlight (if in same directory as location)  
          //alert(); 
          if( linknoparams == locationnoparams+"/index.html" ){
               document.links[i].style.color = "#6666AA";
          } 

          // always highlight link == location
          if( document.location.href == document.links[i].href ){
              document.links[i].style.color = "#FFFFFF";
          } 
       } 
       
       // get URL params to see if menu needs to be opened
       searchstring = window.location.search; 
// alert(searchstring);
       if(searchstring.length > 1){
          searchstring = searchstring.substring(1, searchstring.length);
          keyPair = new Array();
          keyPair = searchstring.split('=');
          valuePair = new Array();
          valuePair = keyPair[1].split(',');
// alert (valuePair);
          value = valuePair[0] - 1;
          valueof = valuePair[1];
// alert("value = " + value + " valueof = " + valueof);
          setTimeout("menu_mouseover(" + value + "," + valueof +")" ,100);
       }

    }