function getCookieValue(cookieName) {

	
	var cookieValue = document.cookie;
	var cookieStartsAt = cookieValue.indexOf("" + cookieName + "=");

	if (cookieStartsAt == -1) {
		cookieStartsAt = cookieValue.indexOf(cookieName + "=");
	}
			
	if (cookieStartsAt == -1) {
		cookieValue = null;
	}
	else {
		cookieStartsAt = cookieValue.indexOf("=", cookieStartsAt) + 1;
		var cookieEndsAt = cookieValue.indexOf(";", cookieStartsAt);
		if (cookieEndsAt == -1) {
			cookieEndsAt = cookieValue.length;
		}
		cookieValue = unescape(cookieValue.substring(cookieStartsAt, cookieEndsAt));
		
		
	}
	
	if (cookieValue == "null" || cookieValue == null) {
		return "";
	}
	else {
		return cookieValue;
	}
	
	
}
	
function setCookie(cookieName, cookieValue, cookiePath, cookieExpires) {
	cookieValue = escape(cookieValue);

		
	if (cookieExpires == "") {
		var nowDate = new Date();
		nowDate.setMonth(nowDate.getMonth() + 6);
		cookieExpires = nowDate.toGMTString();
	}

	if (cookiePath != "") {
		cookiePath = ";Path=" + cookiePath + ";";
	}
	else {
		cookiePath = ";Path=/;";
	}
	
	if (cookieValue == "") {
		cookieValue = "null"
	}
	
	
	document.cookie = cookieName + "=" + cookieValue + ";expires=" + cookieExpires + cookiePath;
}