window.onload = init;
function init() {
  if (window.Event) {
    document.captureEvents(Event.MOUSEMOVE);
  }
  document.getElementById('blockTitle').style.display='none';
  document.onmousemove = getXY;
}

function showText(msg) {
  blah = document.getElementById('blockTitle');

  blah.style.display='';
  blah.innerHTML= msg;

  if((window.Event)){
     blah.style.setProperty('left', x+'px', null);
     blah.style.setProperty('top', y+'px', null);
  }
  else{
     blah.style.left=x;
     blah.style.top=y;
  }
}

function hide(){
  document.getElementById('blockTitle').style.display='none';
}

function getXY(e){
  x = (window.Event) ? e.pageX : event.clientX + document.documentElement.scrollLeft;
  x = x + 10;
  y = (window.Event) ? e.pageY : event.clientY + document.documentElement.scrollTop;
  y = y + 5;
}