var scriptURL = "http://www.relentlesstechnology.net/conversion/wrapper/referrer.aspx";        
var componentID = 8;

var scriptReferrer = document.referrer;
scriptReferrer = scriptReferrer.replace(/&/g,"*am*");
scriptReferrer = scriptReferrer.replace(/=/g,"*eq*");
scriptReferrer = scriptReferrer.replace(/\+/g,"*pl*"); 
//document.getElementById('tempscript').src= 

var head= document.getElementsByTagName('head')[0];
var script= document.createElement('script');
script.type= 'text/javascript';
script.src= scriptURL + '?componentid=' + componentID + '&referrer='+scriptReferrer;
head.appendChild(script);