function tooltip_findPosX(obj) 
{
 if(obj != null){
  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) 
{
	if (obj !=null){
    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, texto)
{
    it = document.getElementById(tooltipId);
    it.width = 10;
    it.style.width = '';
    it.style.height = '';
    it.style.top = '';
    it.style.left = '';
    
    if (texto) it.innerHTML = texto;
    
    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 (img == null){
        	img = document.recogidaFormulario[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 + 'px';
        it.style.left = x + 'px';
    }
    
    it.style.visibility = 'visible'; 
}

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