<script type="text/javascript" >
var PageFirstLoaded = new Date().getTime();
jQuery(window).focus(function(){
//----- BROWSER WINDOW HAS GOT FOCUS -----
//If page is old reload it
if(new Date().getTime() - PageFirstLoaded >= 60000) //mS
window.location.reload(true);
});
</script>Feel free to comment if you can add help to this page or point out issues and solutions you have found. I do not provide support on this site, if you need help with a problem head over to stack overflow.