function setcookie(name, value, expires, path) {
		// set time, it's in milliseconds
		var today = new Date();
		today.setTime( today.getTime() );

		if (expires) expires = expires * 1000;
		var expires_date = new Date(today.getTime() + (expires));

		document.cookie = name + "=" + escape(value) +
			((expires) ? ";expires=" + expires_date.toGMTString() : "") +
			((path) ? ";path=" + path : "");
	}
	
	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;
	}