function SubMenu(p) {
  sb = document.getElementById('submenu');
  m = document.getElementById('menu');
  if (m && sb) {
		sb.style.top = (m.offsetTop+25)+'px';
	  sb.style.right = 0;
	  sb.style.display = (p==1  ? "block" : "none");
	}
}

function ReloadControlImage() {
  var cimage = document.getElementById("controlimage");
  var now = new Date();
  cimage.src = "";
  cimage.src = "/cimage.php?reload="+now.getTime();
}