logi,
Пробуйте так:
<script type="text/javascript">
Myhash='#%%%%%%%%%%%%%%55'
if(location.hash==Myhash)window.close();
function ReloadButton() {
location.hash=Myhash;
location.reload();
}
</script>
<input type="button" value="Перезагрузка" onClick="ReloadButton()">