/*
// Detect if the browser is IE or not.
// If it is not IE, we assume that the browser is NS.
var IE = document.all?true:false

// If NS -- that is, !IE -- then set up for mouse capture
if (!IE) document.captureEvents(Event.MOUSEMOVE)

// Set-up to use getMouseXY function onMouseMove
document.onmousemove = getMouseXY;

// Temporary variables to hold mouse x-y pos.s
var tempX = 0
var tempY = 0

// Main function to retrieve mouse x-y pos.s

function getMouseXY(e) {
  if (IE) { // grab the x-y pos.s if browser is IE
    tempX = event.clientX + document.body.scrollLeft
    tempY = event.clientY + document.body.scrollTop
  } else {  // grab the x-y pos.s if browser is NS
    tempX = e.pageX
    tempY = e.pageY
  }  
  // catch possible negative values in NS4
  if (tempX < 0){tempX = 0}
  if (tempY < 0){tempY = 0}  
  // show the position values in the form named Show
  // in the text fields named MouseX and MouseY
//  document.Show.MouseX.value = tempX
//  document.Show.MouseY.value = tempY
  return true
}
*/

function xstooltip_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 xstooltip_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 xstooltip_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 + 'px';
		it.style.height = it.offsetHeight + 'px';
		
		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 = xstooltip_findPosX(img) + posX;
		y = xstooltip_findPosY(img) + posY;
		
		it.style.top = y + 'px';
		it.style.left = x + 'px';
	}
	
	it.style.visibility = 'visible'; 
}

function xstooltip_hide(id)
{
    it = document.getElementById(id); 
    it.style.visibility = 'hidden'; 
}