function getCookie(cookieName){
	var cookieJar=document.cookie.split("; ");
	for(var x=0;x<cookieJar.length;x++){
		var oneCookie=cookieJar[x].split("=");
		if(oneCookie[0]==escape(cookieName)){
			return unescape(oneCookie[1]);
		}
	}
	return null;
}
function setCookie(cookieName,cookieValue,lifeTime,path,domain,isSecure){
	if(!cookieName){
		return false;
	}
	if(lifeTime=="delete"){
		lifeTime=-10;
	}
	document.cookie=escape(cookieName)+"="+escape(cookieValue)+(
	lifeTime?";expires="+(new Date((new Date()).getTime()+(1000*lifeTime))).toGMTString():"")+(path?";path="+path:"")+(domain?";domain="+domain:"")+(isSecure?";secure":"");
	if(lifeTime<0){
		if(typeof(getCookie(cookieName))=="string"){
			return false;
		}
		return true;
	}
	if(typeof(getCookie(cookieName))=="string"){
		return true;
	}
	return false;
}
function deleteCookie(cookieName) {
	setCookie(cookieName, "", "delete");
}