var keyword = getKeywords(document.referrer);
createCookie('CMCRM-Keyword', keyword, 1);

function createCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}

function getKeywords (referrer) {
    referrer = decodeURIComponent(referrer);
    var query = null;

    if (referrer.match(/^http:\/\/(www\.)?alltheweb.*/i)) {
	// AllTheWeb
	if (referrer.match(/q=/))
	    query = referrer.replace(/^.*q=([^&]+)&?.*$/i, '$1');
    } else if (referrer.match(/^http:\/\/(www)?\.?google.*/i)) {
	// Google
	if (referrer.match(/q=/))
	    query = referrer.replace(/^.*q=([^&]+)&?.*$/i, '$1');
    } else if (referrer.match(/^http:\/\/search\.lycos.*/i)) {
	// Lycos
	if (referrer.match(/query=/))
	    query = referrer.replace(/^.*query=([^&]+)&?.*$/i, '$1');
    } else if (referrer.match(/^http:\/\/search\.msn.*/i)) {
	// MSN
	if (referrer.match(/q=/))
	    query = referrer.replace(/^.*p=([^&]+)&?.*$/i, '$1');
    } else if (referrer.match(/^http:\/\/search\.yahoo.*/i)) {
	// Yahoo
	if (referrer.match(/p=/))
	    query = referrer.replace(/^.*p=([^&]+)&?.*$/i, '$1');
    }

    if (query) {
	query = query.replace(/\'|"/, '');
	query = query.split(/[\s,\+\.]+/);
    }

    return query;
};