function setCookie(cookieName, cookieValue, cookieExpiration) {
	var currentTime = new Date().getTime();
	currentTime = Math.ceil(currentTime/1000);
	expTime = cookieExpiration*1000*3600*100000 + currentTime;
	var expDate = new Date();
	expDate.setTime(expTime);
	
	
	document.cookie = cookieName + "=" + escape(cookieValue) + ";expires=" + expDate.toGMTString() + ";path=/";
	}

function getCookie(cookieName) {
	var cookieValue = document.cookie.split(cookieName+"=")[1];
	if (cookieValue) {
		if (cookieValue.indexOf(";") >= 0) {
			cookieValue = cookieValue.split(";")[0];
			}
			}
	if (cookieValue){
		 return cookieValue;
		} else {
			return "null";
			}
	}