logout.html

<script>
    setCookie("uid","",-1);
    setCookie("pswd","",-1);
function setCookie(cname,cvalue,exdays){
	var d = new Date();
	d.setTime(d.getTime()+(exdays*24*60*60*1000));
	var expires = "expires="+d.toGMTString();
	document.cookie = cname+"="+cvalue+"; "+expires;
}
document.location='./index.php'

</script>