  function highlightNav(num)  {    
    var newLocation = '' + window.location.href;
    
    if (newLocation.indexOf('features.html?id=item01') != -1 && num == 1) {
    document.write('<div class="show">');
    }
   
     else if (newLocation.indexOf('features.html') != -1 && num == 1) {
    document.write('<div id="ortho" style="display: none; padding: 5px; margin-bottom: 5px;">');
    }
   else if (newLocation.indexOf('features.html?id=item2') != -1 && num == 2) {
    document.write('<div class="show" >');
    }
     else if (newLocation.indexOf('features.html') != -1 && num == 2) {
    document.write('<div id="design" style="display: none; padding: 5px; margin-bottom: 5px;">');
    }
     else if (newLocation.indexOf('features.html?id=item3') != -1 && num == 3) {
    document.write('<div class="show">');
    }
      else if (newLocation.indexOf('features.html') != -1 && num == 3) {
    document.write('<div id="dictation" style="display: none; padding: 5px; margin-bottom: 5px;">');
    }
     else if (newLocation.indexOf('features.html?id=item4') != -1 && num == 4) {
    document.write('<div class="show">');
    }
      else if (newLocation.indexOf('features.html') != -1 && num == 4) {
    document.write('<div id="easy" style="display: none; padding: 5px; margin-bottom: 5px;">');
    }
     else if (newLocation.indexOf('features.html?id=item5') != -1 && num == 5) {
    document.write('<div class="show">');
    }
      else if (newLocation.indexOf('features.html') != -1 && num == 5) {
    document.write('<div id="image" style="display: none; padding: 5px; margin-bottom: 5px;">');
    }
     else if (newLocation.indexOf('features.html?id=item6') != -1 && num == 6) {
    document.write('<div class="show">');
    }
      else if (newLocation.indexOf('features.html') != -1 && num == 6) {
    document.write('<div id="color" style="display: none; padding: 5px; margin-bottom: 5px;">');
    }
     else if (newLocation.indexOf('features.html?id=item7') != -1 && num == 7) {
    document.write('<div class="show">');
    }
      else if (newLocation.indexOf('features.html') != -1 && num == 7) {
    document.write('<div id="protection" style="display: none; padding: 5px; margin-bottom: 5px;">');
    }
   else if (newLocation.indexOf('features.html?id=item8') != -1 && num == 8) {
    document.write('<div class="show">');
    }
      else if (newLocation.indexOf('features.html') != -1 && num == 8) {
    document.write('<div id="prescriptions" style="display: none; padding: 5px; margin-bottom: 5px;">');
    }
     else if (newLocation.indexOf('features.html?id=item9') != -1 && num == 9) {
    document.write('<div class="show">');
    }
      else if (newLocation.indexOf('features.html') != -1 && num == 9) {
    document.write('<div id="icd" style="display: none; padding: 5px; margin-bottom: 5px;">');
    }
     else if (newLocation.indexOf('features.html?id=item10') != -1 && num == 10) {
    document.write('<div class="show">');
    }
      else if (newLocation.indexOf('features.html') != -1 && num == 10) {
    document.write('<div id="document" style="display: none; padding: 5px; margin-bottom: 5px;">');
    }
     else if (newLocation.indexOf('features.html?id=item11') != -1 && num == 11) {
    document.write('<div class="show">');

    }
      else if (newLocation.indexOf('features.html') != -1 && num == 11) {
    document.write('<div id="reports" style="display: none; padding: 5px; margin-bottom: 5px;">');
    }
       else if (newLocation.indexOf('features.html?id=item12') != -1 && num == 12) {
    document.write('<div class="show">');

    }
      else if (newLocation.indexOf('features.html') != -1 && num == 12) {
    document.write('<div id="history" style="display: none; padding: 5px; margin-bottom: 5px;">');
    }
    else {
    document.write('<div style="display: none; padding: 5px; margin-bottom: 5px;">');
    }
    }
   