var inTip = 0;
function hideTip() {
  if( inTip == 0)
	document.getElementById("chmurka").style.display = "none";
}

function showTip(obj, msg) {
	sTip(obj,6,-24,msg);
}

function sTip(obj, x, y, msg) {
  inTip = 1;
  var chmurkaObj = getElement("chmurka");
  var objCoords = findPos(obj);
  getElement("txt").innerHTML = msg;
  chmurkaObj.style.display  = "block";
  chmurkaObj.style.position = "absolute";
  chmurkaObj.style.left = (objCoords[0] + x) + "px";
  chmurkaObj.style.top = (objCoords[1] +y) + "px";
  inTip = 0;
}