function changeWindowSize(windowWidth,windowHeight) {
	if (window.outerWidth) {
		resizeTo(windowWidth,windowHeight);
	}
}

function magnifyWindow(dWindowWidth,dWindowHeight) {
	if (window.outerWidth) {
		resizeBy(dWindowWidth,dWindowHeight);
	}
}

function fillScreen() {
	self.moveTo(0,0);
	self.resizeTo(screen.availWidth,screen.availHeight);
}

function selfCenter(w, h)
{
  // Fudge factors for window decoration space.
  // In my tests these work well on all platforms & browsers.
  w += 32;
  h += 96;
  wleft = (screen.width - w) / 2;
  wtop = (screen.height - h) / 2;

  self.resizeTo(w, h);
  // Just in case left and top are ignored
  self.moveTo(wleft, wtop);
  self.focus();
}

function wopen(url, name, w, h)
{
  // Fudge factors for window decoration space.
  // In my tests these work well on all platforms & browsers.
  w += 32;
  h += 96;
  wleft = (screen.width - w) / 2;
  wtop = (screen.height - h) / 2;
  var win = window.open(url,
    name,
    'width=' + w + ', height=' + h + ', ' +
    'left=' + wleft + ', top=' + wtop + ', ' +
    'location=no, menubar=no, ' +
    'status=no, toolbar=no, scrollbars=no, resizable=no');
  // Just in case width and height are ignored
  win.resizeTo(w, h);
  // Just in case left and top are ignored
  win.moveTo(wleft, wtop);
  win.focus();
}