function showTab(number)
{
      if (number == 1)
      {
            document.getElementById('newboxes1').style.display = 'block';
            document.getElementById('newboxes2').style.display = 'none';
            document.getElementById('specialoffers').style.background = 
			'#cc0000 url(http://www.canadianaffair.com/images/en/gradients/red-bg.gif) top repeat-x';
            document.getElementById('upgrades').style.background = 
			'#999999 url(http://www.canadianaffair.com/images/en/gradients/greytitle-bg.gif) top repeat-x';
      }
      else if (number == 2)
      {
            document.getElementById('newboxes1').style.display = 'none';
            document.getElementById('newboxes2').style.display = 'block';
            document.getElementById('specialoffers').style.background = 
			'#999999 url(http://www.canadianaffair.com/images/en/gradients/greytitle-bg.gif) top repeat-x';
            document.getElementById('upgrades').style.background = 
			'#cc0000 url(http://www.canadianaffair.com/images/en/gradients/red-bg.gif) top repeat-x';
      }
}