function marketingNavSelect(which) {
    if ((which == "home") ||
        (which == "faqs") ||
        (which == "contact") ||
        (which == "terms") ||
        (which == "privacy")) {
        var linkElement = document.getElementById(which + "NavLink");
        linkElement.style["color"] = "#ddd";
    } else if (which != "") {
        var imgElement = document.getElementById(which + "NavImg");
        var src = imgElement.src;
        imgElement.src = imgElement.src.replace(/_off(\.[a-z0-9]+)$/i,'_over$1');
		imgElement.className = '';
    }
}

function marketingSubNavToggle(obj) {
	var regExp = /\s?\bhover\b/;
	obj.className = regExp.test(obj.className) ? obj.className.replace(regExp,'') : obj.className + ' hover';
	subNavImageToggle(obj);
}

function subNavImageToggle(obj) {
	var oImg = obj.getElementsByTagName('img');
	for (var i = 0; i < oImg.length; i++) {
		if (oImg[i].className.indexOf('rollover') > -1) {
			if (oImg[i].src.indexOf('_off') > -1) {
				oImg[i].src = oImg[i].src.replace(/_off(\.[a-z0-9]+)$/i,'_over$1');
			} else if (oImg[i].src.indexOf('_over') > -1) {
				oImg[i].src = oImg[i].src.replace(/_over(\.[a-z0-9]+)$/i,'_off$1');
			}
		}
	}
}