/* This script and many more are available free online at
The JavaScript Source :: http://javascript.internet.com
Created by: Ultimater, Mr J :: http://www.webdeveloper.com/forum/showthread.php?t=77389 */

function toggle(a, b)
{
    var e = document.getElementById(a);
    var f = document.getElementById(b);
     if(!e) return true;
      if(e.style.display == "none")
      {
           e.style.display = "block"
           f.style.display = "none"
     }
      else
      {
           e.style.display = "none"
      }
      return true;
}