var expDays = 30;	// set this value to however many days you want your cookies to last
function setcookie(name, val) {
var exp = new Date();var cookieTimeToLive = exp.getTime() + (expDays * 24 * 60 * 60 * 1000);exp.setTime(cookieTimeToLive);document.cookie = name + "=" + escape(val) + "; expires=" + exp.toGMTString();}