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));
	}
	return cookieValue;
}


function setCookie(cookieName, cookieValue, cookiePath, cookieExpires){
	cookieValue = escape(cookieValue);
	
	if (cookieExpires == ""){
		var nowDate = new Date();
		nowDate.setMonth(nowDate.getMonth() + 1);
		cookieExpires = nowDate.toGMTString();
	}
	
	if (cookiePath != ""){
		cookiePath = ";Path=" + cookiePath;
	}
	
	document.cookie = cookieName + "=" + cookieValue + ";expires=" + cookieExpires + cookiePath;
}