var x = 0, y = 0;
function m() {
	x += (Math.random() >= 0.4 ? 1 : -1 ) * (Math.random() * 5);
	y += (Math.random() >= 0.4 ? 1 : -1 ) * (Math.random() * 5);
	s = document.getElementById('search');
	s.style.left = x;
	s.style.top = y;
}
window.onload = function () {
	setInterval(m, 200);
};