function menuprop(){
        
     while(cats > catndx){        //while there are still categories
             menuhtml += "<div id=\"category" + catndx + "\" class=\"categories\" name=\"category\" onclick=\"expandit(" + catndx + ")\" style=\"position: relative\">" + catarray[catndx] + "</div>";
             menuhtml += "<span style=\"overflow: auto; position: relative\">";
             menuhtml += "<div id=\"loclist" + catndx + "\" name=\"locdiv\" style=\"display:none\"><ul style=\"position: relative\">";
                   var loopndx = 0;

                   while(locations[loopndx][0] == catarray[catndx]) {
                   menuhtml += "<li><a href=\"#\" onclick=\"viewlocation(" + loopndx + "); return(false);\">" + locations[loopndx][1] + "</a></li>";
                   loopndx++;
                   }
                                menuhtml += "---------- locations[loopndx] = " + loopndx + " and catndx = " + catndx + " ------------";
                   menuhtml += locations[loopndx][0] + " " + catarray[catndx];
             menuhtml += "</ul></div>";
             menuhtml += "</span></div>";
             catndx++;
             }

          //outside loops
          document.getElementById("sidemenu").innerHTML = menuhtml;
          document.getElementById("dummy").innerHTML = menuhtml;
          }