function getParam(name)
{
  var start=location.search.indexOf("?"+name+"=");
  if (start<0) start=location.search.indexOf("&"+name+"=");
  if (start<0) return '';
  start += name.length+2;
  var end=location.search.indexOf("&",start)-1;
  if (end<0) end=location.search.length;
  var result='';
  for(var i=start;i<=end;i++) {
    var c=location.search.charAt(i);
    result=result+(c=='+'?' ':c);
  }
  return unescape(result);
}

function passKeyword()
{
	var dum = getParam('utm_term');
	document.write("<input type=\"hidden\" name=\"custom keyword\" type=\"text\" value=\"" + dum + "\">");
}

function passTracking()
{
	var dum = document.referrer;
	document.write("<input type=\"hidden\" name=\"custom referrer\" type=\"text\" value=\"" + dum + "\">");
}

function passSource()
{
	var dum = getParam('utm_source');
	document.write("<input type=\"hidden\" name=\"custom source\" type=\"text\" value=\"" + dum + "\">");
}

function passMedium() {
	var dum = getParam('utm_medium');
	document.write("<input type=\"hidden\" name=\"custom medium\" type=\"text\" value=\"" + dum + "\">");
}

function passContent() {
	var dum = getParam('utm_content');
	document.write("<input type=\"hidden\" name=\"custom content\" type=\"text\" value=\"" + dum + "\">");
}

function passCampaign() {
	var dum = getParam('utm_campaign');
	document.write("<input type=\"hidden\" name=\"custom campaign\" type=\"text\" value=\"" + dum + "\">");
}