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 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 + 20;
                                                     lv = evt.pageX - (ew/4);
                                                 } 
                                           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";
                               }
     }
}