function centerContent()
{
  var pageWidth = $('header').getSize().size.x - parseInt($('header').getStyle('padding-left'));
  
  var windowWidth = window.getSize().size.x || document.body.clientWidth;

  leftPadding = (windowWidth - pageWidth) / 2;
  if (leftPadding < 0) leftPadding = 0;
  
  $('header').setStyles({ position: 'relative', left: leftPadding });
  $$('.content_bg')[0].setStyles({ paddingLeft: leftPadding });
  $('footer').setStyles({ paddingLeft: leftPadding });
  $$('.photo_credit')[0].setStyles({ width: leftPadding + 745 });
  
  $('pageContainer').setStyle('visibility', 'visible');
}


window.addEvent('domready', centerContent);
window.addEvent('resize', centerContent);