function setCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";

    var cookieValue = name + "=" + value + expires + "; path=/";
	document.cookie = cookieValue;
}


function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	var i;

	for(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;
}