var promoMsg = [
                "<span>Free Gift</span> with every purchase",
                "<span>Free Sample</span> with every purchase"
                ];
var currentMsg = 0;
function rotateMsg() {
	if(currentMsg) {
		document.getElementById('promo-rotate').innerHTML = promoMsg[0];
		currentMsg = 0;
	} else {
		document.getElementById('promo-rotate').innerHTML = promoMsg[1];
		currentMsg = 1;
	}
	setTimeout('rotateMsg()', 3000);
}
setTimeout('rotateMsg()', 3000);