function Fader(yn)
{
 if(yn == '1')
 {
	document.getElementById('layer').style.display = '';
  }
  else if(yn == '0')
 {

  document.getElementById('layer').style.display = 'none';
 }
}


function Fader_impressions(yn)
{
 if(yn == '1')
 {
	document.getElementById('layer_impressions').style.display = '';
  }
  else if(yn == '0')
 {

	document.getElementById('layer_impressions').style.display = 'none';
 }
}