function expand() {
for(x = 0; x < 50; x++) {
window.moveTo(screen.availWidth * -(x - 50) / 100, screen.availHeight * -(x - 50) / 100);
window.resizeTo(screen.availWidth * x / 50, screen.availHeight * x / 50);
}
window.moveTo(0,0);
window.resizeTo(screen.availWidth, screen.availHeight);
}