// Extended Tooltip Javascript
// copyright 9th August 2002, 3rd July 2005
// by Stephen Chapman, Felgall Pty Ltd

// permission is granted to use this javascript provided that the below code is not altered
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) {
  if (evt.pageY) 
    return evt.pageY; 
  else 
    if (evt.clientY)
      return evt.clientY + (document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.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 {
        //tv = mouseY(evt) + 20;
        //lv = mouseX(evt) - (ew/4);
        //tv = 150;
        lv = 350
        tv = mouseY(evt) - 300;
        //lv = mouseX(evt) + 20;
        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";
  }
}
}