/*
Name: Google Analytics Keyword Sleuth Author: Michael Harrison Created: 4/14/2007
Description: If a visitor arrives from a search engine, grab their exact search query and store it in the User-Defined variable using the __utmSetVar function. Modify your existing Google Analytics call to be:
<script src="http://www.roirevolution.com/ga_keyword.js" type="text/javascript"></script>
<script src="http://www.google-analytics.com/urchin.js" type="text/javascript"></script>
<script type="text/javascript">
_uacct = "UA-XXXXX-X";
urchinTracker();
sleuth();
</script>
Last modified by Michael Harrison on 04/23/2007
*/

function readCookie(name)
{var nameEQ=name+"=";var ca=document.cookie.split(';');for(var i=0;i<ca.length;i++)
{var c=ca[i];while(c.charAt(0)==' ')c=c.substring(1,c.length);if(c.indexOf(nameEQ)==0)return c.substring(nameEQ.length,c.length);}
return null;}
function getRef()
{ref=document.referrer;re=/(\?|&)(q|p)=([^&]*)/;searchq=re.exec(ref);if(searchq){__utmSetVar(searchq[3]);}}
function sleuth()
{if(document.cookie.indexOf("__utmz=")!=-1)
{z=readCookie('__utmz');za=z.split('|');t=za[0].split('.');za[0]=t[t.length-1];for(i=0;i<za.length;i++)
{t2=za[i].split('=');if(t2[0]=='utmgclid'||t2[1]=='cpc'||t2[1]=='ppc'){getRef();}}}}