function setMap(mapNum) {
 var map = document.getElementById('map');
 map.src = '/images/framework/map' + mapNum + '.gif';

 var newDivId = 'n' + mapNum;
 var descriptions = document.getElementById('neighborhoods');
 var divs = descriptions.getElementsByTagName('div');
 for (var a = 0; a < divs.length; a++) {
  var div = divs[a];
  if (newDivId == div.id) {
   div.style.display = "block";
  } else if (div.id != "neighborhoodPreviewBanner") {
   div.style.display = "none";
  }  
 }

 var allPs = document.getElementsByTagName('p');
 var showId = 'd' + mapNum;


 for (var a = 0; a < allPs.length; a++) {
  var div = allPs[a];
  if (div.className == 'nDesc') {
   if (div.id == showId) {
    div.style.display = "block";
   } else {
    div.style.display = "none";
   }
  }
 }
}