<****** language="JavaScript1.2">  <!-- Begin  ******** shake(n) {  if (parent.moveBy) {  for (i = 10; i > 0; i--) {  for (j = n; j > 0; j--) {  parent.moveBy(0,i);  parent.moveBy(i,0);  parent.moveBy(0,-i);  parent.moveBy(-i,0);  }  }  }  }  // End -->  </******>  <form>  <div align="center"><center><p><input onclick="shake(10)" type="button"  value="Deprem Yarat"> </p>  </center></div>  </form>