var fgcolor_on  = "#6C000E";
var fgcolor_off = "#F5B757";
var bgcolor_on  = "#F0F0F0";
var bgcolor_off = "#FFFFFF";
var last = "";

function showHelp(name, on) {
  var id = 'help_' + name;
  var box, fgcolor, bgcolor;
  
  if (on) {

    if ("" != last)
      showHelp(last, false);
    last = name;

    fgcolor = fgcolor_on;
    bgcolor = bgcolor_on;

  } else {
    fgcolor = fgcolor_off;
    bgcolor = bgcolor_off;
  }
  
  if ("nn4" == navigator.family) {
   
    //  Proprietary Navigator 4.x code
    box = document.layers[id];
    if (box) {
      box.bgColor = bgcolor;
      box.color   = fgcolor;
    }
    
  } else if (navigator.family == 'ie4' && navigator.version >= 4 && navigator.version < 5) {
  
    // Proprietary IE4
    box = documents.all[id];
    if (box != undefined) {
      box.style.backgroundColor = bgcolor;
      box.style.color           = fgcolor;
    }
    
  } else if (navigator.DOMHTML && navigator.DOMCSS2) {
    
    //  The Standards Compliant Way .. recommended.
    box = document.getElementById(id);
    if (box) {
      box.style.backgroundColor = bgcolor;
      box.style.color           = fgcolor;
    }
    
  } 
  
} // end func showHelp