function center()
{
  var page = document.getElementById('page');
  var w = document.all?document.body.clientWidth:window.innerWidth;
  var h = document.all?document.body.clientHeight:window.innerHeight;
  page.style.left = ((w > page.clientWidth?((w - page.clientWidth) / 2):0) + (page.clientWidth / 2)) + 'px';
  page.style.top = ((h > page.clientHeight?((h - page.clientHeight) / 2):0) + (page.clientHeight / 2)) + 'px';
}

window.onresize = center;

window.onload = function()
{
  var page = document.getElementById('page');
  if(page && page.className == 'welcome' && /(mychanger|aquariusonline)/i.test(document.referrer))
    page.className = '';
  center();
}