<body id="body">
<input type="button" value="нажми меня" name="Peremeshenie1" OnClick="Peremeshenie();">
<span id="move" style="position: absolute; border: 2px dashed black;">По вертикали</span>
</body>
<script>
var phi = Math.PI / 2;
var rho = 6;
var rho2 = 3;
function Peremeshenie() {
document.getElementById('move').style.left = rho * Math.cos(phi) + 'px';
document.getElementById('move').style.top = rho * Math.sin(phi) + 'px';
rho += rho2;
}
setInterval(Peremeshenie, 20);
</script>
</html>
<input type="button" value="нажми меня" name="Peremeshenie1" onClick="doIt()">function doIt() {
setInterval(Peremeshenie, 20);
}<input type="button" value="нажми меня" name="Peremeshenie1" onClick="setInterval(Peremeshenie, 20);">