var xf;
var yf;

function findPos(obj)
{
 var curleft = curtop = 0;
 if (obj.offsetParent)
   {
    do
      {
       curleft += obj.offsetLeft;
       curtop += obj.offsetTop;
      }
    while (obj = obj.offsetParent);
   }

 xf=curleft;
 yf=curtop;
}

function wlacz_opis(id, nr)
{
 findPos(document.getElementById("td_o_firmie"+nr));

 document.getElementById(id).style.left=xf+"px";
 document.getElementById(id).style.top=yf+"px";

 document.getElementById(id).style.display="block";
}

function wylacz_opis(id)
{
 document.getElementById(id).style.display="none";
}