Fenster aufscrollen mit Javascript

<script type=’text/javascript’>
<!–
var window_width = 510; // Fensterbreite
var window_height = 570; // Fensterhöhe
var i = 0;
var j = 0;
var x = window_width;
var y = window_height;
self.focus();

function scrolldown(i) {
self.resizeTo (window_width,i);
if(i < window_height) {
setTimeout (”pos_down()”,10);
}
}
function pos_down() {
i += 4;
scrolldown(i);
}
function scrollup(y) {
self.resizeTo (window_width,y);
setTimeout (”pos_up()”,10);
}
function pos_up() {
if(y <= 0) {
self.close();
}
y -= 4;
scrollup(y);
}
window.onload=pos_down;
//–>
</script>
<a onclick=”pos_up();”>schliessen</a>
<br /><br />
<div id=”ID” align=”center”><a href=http://www.creacity-group.com title=”Fenstertitel” target=”_blank”>Fenstertitel</a></div>
<br />