<script language="JavaScript1.1">
function hardReload()
location.reload();
var speed = 5000; // 5 seconds
setTimeout("hardReload()", speed);
</script>
This script will reload the page only once. It is considered a hard reload since location.reload() restores all default settings of form elements and completely reopens the document. Should you want to destroy only "global variable values", replace location.reload() with history.go(0)