function change () { 
  
       // get location into array
       arr = document.location.href.split('/');
       // store page name 
       pageName = arr[arr.length-1];
       
       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 = "#3333FF";
              } 
          }

          // OVERRIDE index.html highlight (if in same directory as location)  
          //alert(); 
          if( linknoparams == locationnoparams+"/index.html" ){
               if (document.links[i].className == "menu0"){
                  document.links[i].style.color = "#FFFFFF";
               }
               else{
                  document.links[i].style.color = "#000000";
               }
               
          } 

          // always highlight link == location
          if( document.location.href == document.links[i].href ){
			  if (document.links[i].className == "menu0"){
                  document.links[i].style.color = "#FFFFFF";
               }
			   else{
              	document.links[i].style.color = "#3333FF";
			   }
          } 
       } 
       
       // remove parts of pageName 
       pageNameSub = pageName.replace(/.html.*/i,'');
       //alert(pageNameSub);
       pageNameSub = pageNameSub.replace(/.php.*/i,'');
       //alert(pageNameSub);
       pageNameSub = pageNameSub.replace(/page/i,'');
       //alert(pageNameSub);
       // split and use  URL pageName params to open required menu
       pageNameSubArr = pageNameSub.split('_');
       //alert(pageNameSubArr[0]+' '+pageNameSubArr[1]+' '+pageNameSubArr[2]);
       
       if(pageNameSubArr.length == 3){
       	arrName = String("menuNameArray_2["+pageNameSubArr[0]+"]");
       	//alert("change.js "+arrName);
       	setTimeout("showOneDiv(" + arrName + "," + pageNameSubArr[1] + ", 1)" ,100);       	
       }
       if(pageNameSubArr.length == 2){
       	arrName = 'menuNameArray_1';
       	//alert("change.js "+arrName);
       	setTimeout("showOneDiv(" + arrName + "," + pageNameSubArr[0] + ", 1)" ,100);
       }
       
       
    }