var Cookie = {};

Cookie.CreateCookie = function(sName, vValue, nDays) {
	if(nDays){
		var date = new Date();
		date.setTime(date.getTime() + (nDays * 24 * 60 * 60 * 1000));
		var expires = "; expires="+date.toGMTString();
	}else{
		var expires = "";
	}
	document.cookie = sName+"="+vValue+expires+"; path=/";
}

Cookie.ReadCookie = function(sName) {
	var nameEQ = sName + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

Cookie.EraseCookie = function(sName) {
	Cookie.CreateCookie(sName, "", -1);
}