ÿþfunction tooltip_findPosX(obj) 

{

  var curleft = 0;

  if (obj.offsetParent) 

  {

    while (obj.offsetParent) 

        {

            curleft += obj.offsetLeft

            obj = obj.offsetParent;

        }

    }

    else if (obj.x)

        curleft += obj.x;

    return curleft;

}



function tooltip_findPosY(obj) 

{

    var curtop = 0;

    if (obj.offsetParent) 

    {

        while (obj.offsetParent) 

        {

            curtop += obj.offsetTop

            obj = obj.offsetParent;

        }

    }

    else if (obj.y)

        curtop += obj.y;

    return curtop;

}



function tooltip_show(tooltipId, parentId, posX, posY)

{

    it = document.getElementById(tooltipId);

    

    if ((it.style.top == '' || it.style.top == 0) 

        && (it.style.left == '' || it.style.left == 0))

    {

        // need to fixate default size (MSIE problem)

        it.style.width = it.offsetWidth;

        it.style.height = it.offsetHeight;

        

        img = document.getElementById(parentId); 

    

        // if tooltip is too wide, shift left to be within parent 

        //if (posX + it.offsetWidth > img.offsetWidth) posX = img.offsetWidth - it.offsetWidth;

        //if (posX < 0 ) posX = 0; 

        

        x = tooltip_findPosX(img) + posX;

        y = tooltip_findPosY(img) + posY;

        

        it.style.top = y;

        it.style.left = x;

    }

    

    it.style.visibility = 'visible'; 

}



function tooltip_hide(id)

{

    it = document.getElementById(id); 

    it.style.visibility = 'hidden'; 

}