/// SET A COOKIE
function set_cookie(name, value, exp_y, exp_m, exp_d, path, domain, secure) {
	var cookie_string = name + "=" + escape(value);
	if (exp_y) {
		var expires = new Date (exp_y, exp_m, exp_d);
		cookie_string += "; expires=" + expires.toGMTString();
	}
	if (path) cookie_string += "; path=" + escape ( path );
	if (domain) cookie_string += "; domain=" + escape ( domain );
	if (secure) cookie_string += "; secure";
	document.cookie = cookie_string;
}

// DELETE A COOKIE
function delete_cookie(cookie_name) {
	var cookie_date = new Date();
	cookie_date.setTime (cookie_date.getTime() - 1);
	document.cookie = cookie_name += "=; expires=" + cookie_date.toGMTString();
}

// GET COOKIE CONTENTS
function get_cookie(cookie_name) {
	var results = document.cookie.match ( '(^|;) ?' + cookie_name + '=([^;]*)(;|$)' );
	if (results) return(unescape(results[2]));
	else return null;
}