docs: function(theDiv, newOpacity) {
     
          var mozillaOpacity = newOpacity;
          var ieOpacity = 'alpha(opacity=' + newOpacity * 100 + ')';
          
          theDiv.style.opacity = mozillaOpacity;
          theDiv.style.filter = ieOpacity;
  
          var spanElements = theDiv.parentNode.getElementsByTagName("span");
          
          for (var currIdx = 0; currIdx < spanElements.length; currIdx++) {
              spanElements[currIdx].style.opacity = mozillaOpacity;
              spanElements[currIdx].style.filter = ieOpacity;
          }
  
      }