/*--Campaign IDing search referrers--*/
//parse the url
function argItems (theArgName) {
	sArgs = location.search.slice(1).split('&');
    r = '';
    for (var i = 0; i < sArgs.length; i++) {
        if (sArgs[i].slice(0,sArgs[i].indexOf('=')) == theArgName) {
            r = sArgs[i].slice(sArgs[i].indexOf('=')+1);
            break;
        }
    }
    return (r.length > 0 ? unescape(r).split(',') : '')
}
//set up values
var clickthru = argItems('search_type');
//grab refering domain
if (clickthru=="click_through") {
	var referdomainstart = document.referrer.indexOf("//");
	var referdomainstop = document.referrer.indexOf("/",referdomainstart+2);
	var referdomain = document.referrer.substring(referdomainstart+2,referdomainstop);
	if (referdomain!="www.arrownac.com"){
		make_mcid(referdomain);
	}
}
//create mcid
function make_mcid(content) {
	var dochead = document.getElementsByTagName("head").item(0);
	var mcidmeta = document.createElement("meta");
	mcidmeta.setAttribute("name","WT.mc_id");
	mcidmeta.setAttribute("content",content)
	dochead.appendChild(mcidmeta);
}