Event.observe(window, "load", function() { 
  ph = document.body.scrollHeight;
  window.top.location = "http://www.studentenreis.com/#" + ph;
});

/*
Event.observe(window, "resize", function() {
  ph = document.body.scrollHeight;
  window.top.location = "http://www.studentenreis.com/#" + ph;
}
*/