function WindowSize()
{
  this.Height = 0;
  this.Width = 0;
}

function GetWindowSize()
{ 
  var WS = new WindowSize(); 
  if (typeof( window.innerWidth ) == "number") // Не Интернет-эксплорер
  {
    WS.Height = window.innerHeight; 
    WS.Width = window.innerWidth;
  }  
  else 
    if (typeof(document.documentElement.clientHeight) == "number") //IE 6+ in 'standards compliant mode'
    {
      WS.Height = document.documentElement.clientHeight; 
      WS.Width = document.documentElement.clientWidth; 
    }  
    else 
    {
      WS.Height = document.body.clientHeight; 
      WS.Width = document.body.clientWidth; 
    }  
  return WS;    
} 

function SwitchHintOn(event, HDiv, HText)
{
  e = event || window.event;
  ws = GetWindowSize();
  DivObj = document.getElementById(HDiv);
  DivObj.firstChild.nodeValue = HText;
  if (e.clientX > ws.Width/2) // рисуем слева
    DivObj.style.left = e.pageX-DivObj.offsetWidth-5 + "px";
  else  
    DivObj.style.left = e.pageX+15+"px";
  if (e.clientY > ws.Height/2) // рисуем выше
    DivObj.style.top = e.pageY-DivObj.offsetHeight-5 + "px";
  else  
    DivObj.style.top = e.pageY+15+"px";
    
  DivObj.style.visibility = "visible";
}

function SwitchHintOff(HDiv)
{
  DivObj = document.getElementById(HDiv);
  DivObj.style.visibility = "hidden";
}