// TGL Javascript functions
var images = Array(3);
images[0] = "/gradient1.jpg";
images[1] = "/gradient2.jpg";
images[2] = "/gradient3.jpg";

function randomBG()
{
  var num = Math.floor(Math.random()*3);
  document.body.style.background= "url(/images"+images[num]+") no-repeat top center #ffffff";
}

function show(id){
  document.getElementById(id).style.display = 'block';
}
function hide(id){
  document.getElementById(id).style.display = 'none';
}
function onA(obj) { obj.className='over'; }
function offA(obj) { obj.className=''; }