//function to get a referrer value from address bar if present and toss it into the referrer field
function gup( name )
{
  var regexS = "[\\?&]"+name+"=([^&#]*)";
  var regex = new RegExp( regexS );
  var tmpURL = window.location.href;
  var results = regex.exec( tmpURL );
  if( results == null )
    return "";
  else
    return results[1];
}

function populateReferral(){
	if(gup('referrer')){
		var referrer = gup('referrer');
		Cookie.set("referrer",referrer);
	}
	else{
		var referrer = Cookie.get('referrer');
	}

	if (referrer) {
		if($('m_field_id_8')){
			$('m_field_id_8').value = referrer;
			$E('div.referrer').setStyle('display', 'none');
		}
	}
}






Window.onDomReady(function(){populateReferral();});