function getExpires(dd){
	var now = new Date();
	var expires = new Date(now.getTime()+24*60*60*1000*dd);
	return(expires.toGMTString());
}

function setCookie(key, value, limit){
	var cValue = key + "=" + escape(value) + "END;expires=" + getExpires(limit) + ";";
	document.cookie = cValue;
}
function getCookie(key){
	var cValue = document.cookie;
	var sIndex= cValue.indexOf(key,0);
	if(sIndex > -1){
		sIndex = cValue.indexOf("=", sIndex) + 1;
		eIndex = cValue.indexOf("END", sIndex);
		return unescape(cValue.substring(sIndex, eIndex));
	} else {
		return "";
	}
}