/**
 * @developed by HorizonteVisual
 * @email comercial@horizontevisual.com
 * @website www.horizontevisual.com
 * @copyright HorizonteVisual (c) 2008
 */
 
function toggle(id){ 
  if (document.getElementById){ 
   obj = document.getElementById(id); 
    if (obj.style.display == "none"){ 
     obj.style.display = ""; 
    } else { 
     obj.style.display = "none"; 
    } 
  } 
}