// Preload all nav on inages to increase speed of rollovers
image01 = new Image; image01.src = "images/btn_downloads_on.gif";
image02 = new Image; image02.src = "images/btn_servicos_on.gif";
image03 = new Image; image03.src = "images/btn_fotos.gif";
image04 = new Image; image04.src = "images/btn_cinema.gif";
image04 = new Image; image04.src = "images/btn_contato.gif";
image05 = new Image; image05.src = "images/tertnav_bookmarks_on.gif";
image06 = new Image; image06.src = "images/tertnav_curriculum_on.gif";
image07 = new Image; image07.src = "images/tertnav_orkut_on.gif";
image08 = new Image; image08.src = "images/tertnav_webcam_on.gif";
image09 = new Image; image09.src = "images/tertnav_webmail_on.gif";
image10 = new Image; image10.src = "images/tertnav_webmail_on.gif";

function swapOn(image) {
  document.getElementById(image).src = "images/btn_"+image+"_on.gif";
  }
function swapOff(image) {
  document.getElementById(image).src = "images/btn_"+image+".gif";
  }
function swapOnSub(image) {
  document.getElementById(image).src = "images/subnav_"+image+"_on.gif";
  }
function swapOffSub(image) {
  document.getElementById(image).src = "images/subnav_"+image+".gif";
  }
function swapOnTert(image) {
  document.getElementById(image).src = "images/tertnav_"+image+"_on.gif";
  }
function swapOffTert(image) {
  document.getElementById(image).src = "images/tertnav_"+image+".gif";
  }

function popup(mylink, windowname)
{
if (! window.focus)return true;
var href;
if (typeof(mylink) == 'string')
   href=mylink;
else
   href=mylink.href;
   window.open(href, windowname, 'width=200,height=60,scrollbars=no');
   return false;
}