// copyright 2002-2005 by Stephen Chapman, Felgall Pty Ltd
// rewritten by R&I Mag for www.tantrajoga.cz (bug fixed version if overflow used, 2005)

var DH = 0;
var an = 0;
var al = 0;
var ai = 0;
if (document.getElementById){ai = 1; DH = 1;}
else {
  if (document.all) {al = 1; DH = 1;}
   else {
      browserVersion = parseInt(navigator.appVersion);
       if ((navigator.appName.indexOf('Netscape') != -1) && (browserVersion == 4)) {an = 1; DH = 1;}}}

function fd(oi, wS) {
  if (ai) return wS ? document.getElementById(oi).style:document.getElementById(oi);
   if (al) return wS ? document.all[oi].style: document.all[oi]; if (an) return document.layers[oi];}

function pw() {return window.innerWidth != null? window.innerWidth: document.body.clientWidth != null? document.body.clientWidth:null;}

function mouseX(evt) {if (evt.pageX) return evt.pageX; else if (evt.clientX)return evt.clientX + (document.documentElement.scrollLeft ?  document.documentElement.scrollLeft : document.body.scrollLeft); else return null;}

function mouseY(evt) {
  var divElement=document.getElementById("id_tooltip_fix")
  if (evt.pageY) return evt.pageY;
  else if (evt.clientY)return evt.clientY + divElement.scrollTop;
       else return null;
}

function popUp(evt,oi)
{
  if (DH)
  {
    var wp = pw();
    ds = fd(oi,1);
    dm = fd(oi,0);
    st = ds.visibility;
    if (dm.offsetWidth) ew = dm.offsetWidth;
    else if (dm.clip.width) ew = dm.clip.width;
    if (st == "visible" || st == "show"){
         ds.visibility = "hidden";
    } else {

var divElement=document.getElementById("id_tooltip_fix")
oiHeight = document.getElementById(oi).clientHeight;

        tv = mouseY(evt) - 20;
        if(evt.clientY >= divElement.clientHeight-oiHeight-40){
            tv -= oiHeight+30;
          }
         lv = mouseX(evt) - 540;
         if (lv < 2) lv = 2;
         else if (lv + ew > wp) lv -= ew/2;
         if (!an) {lv += 'px';tv += 'px';}
         ds.left = lv;
         ds.top = tv;
         ds.visibility = "visible";
     }
  }
}