function getCookie(name) {
	var nameEQ = name + "=";
	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;
}
//----------------------------------------------------------

function setCookie (name, value, days) {
	var expireDate = new Date();
	var expstring = expireDate.setDate(expireDate.getDate()+parseInt(days));
	document.cookie = name+"="+value+"; expires="+expireDate.toGMTString()+"; path=/";
}
//----------------------------------------------------------

function deleteCookie(name) {
	setCookie(name,"",-1);
}