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 (ws == 1) 
    { if (ai) 
        { return (document.getElementById(oi).style);
        }
      else 
        { if (al) 
          { return (document.all[oi].style);
          } 
          else { if (an) 
                 { return (document.layers[oi]);
                 }
               };
          }
        } 
      else { if (ai) 
                {return (document.getElementById(oi));
                } 
             else { if ( al ) 
                {return (document.all[oi]);
                } 
             else { if ( an ) 
                    { return (document.layers[oi]);
                    }
             };
       }
  }
} 

function pw() 
{
  if (window.innerWidth != null) 
     return window.innerWidth; 
     if (document.body.clientWidth != null)
       return document.body.clientWidth; 
     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 
           { if (evt.y || evt.pageY) 
               { if (evt.pageY) 
                   { tv = evt.pageY;
                     lv = evt.pageX + (ew/2);
                   } 
                 else { tv = evt.y + 20 + document.body.scrollTop; 
                        lv = evt.x  - (ew/4) + document.body.scrollLeft;
                      } 
                 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";
              }
          }
}