<SCRIPT language=JavaScript>

function expandingWindow(website)
{
  var windowprops='width=100,height=100,scrollbars=yes,status=yes,resizable=yes'
  var heightspeed = 2; // vertical scrolling speed (higher = slower)
  var widthspeed = 7; // horizontal scrolling speed (higher = slower)
  var leftdist = 10; // distance to left edge of window
  var topdist = 10; // distance to top edge of window
  if (window.resizeTo&&navigator.userAgent.indexOf("Opera")==-1)
  {
    var winwidth = window.screen.availWidth - leftdist;
    var winheight = window.screen.availHeight - topdist;
    var sizer = window.open("","","left=" + leftdist + ",top=" + topdist +","+ windowprops);
    for (sizeheight = 1; sizeheight < winheight; sizeheight += heightspeed)
      sizer.resizeTo("1", sizeheight);
    for (sizewidth = 1; sizewidth < winwidth; sizewidth += widthspeed)
      sizer.resizeTo(sizewidth, sizeheight);
    sizer.location = website;
  }
  else
    window.open(website,'mywindow');
}

</SCRIPT>

<a href="#" onClick="expandingWindow('http://www.yahoo.com');return false">Yahoo.com</a><br>
<form>
  <input type="button" value="Freewarejava" onClick="expandingWindow('http://www.freewarejava.com')">
</form>