var whichPhoto=0;
function showStatus() { 
    document.forms.gallery.statusTop.value="Photo "+whichPhoto+" of "+total;
    document.forms.gallery.statusBottom.value="Photo "+whichPhoto+" of "+total;
}
function showPhoto(whichWay) { 
    if ((whichWay=="previous") && (whichPhoto>1)) {
        whichPhoto--;
        showStatus();
        document.images["photo"].src = 'images/'+whichGallery+'/'+whichPhoto+'.jpg';
    } else if ((whichWay=="next") && (whichPhoto<total)) {
        whichPhoto++;
        showStatus();
        document.images["photo"].src = 'images/'+whichGallery+'/'+whichPhoto+'.jpg';
    }
}



function popup(t, d, n) {
  document.forms.maingallery.title.value=t;
  document.forms.maingallery.directory.value=d;
  document.forms.maingallery.numpics.value=n;
  XX=(screen.width-640)/2;
  YY=(screen.height-480)/2; 
  popupwindow=window.open('winslideshow.html','popup','width=640,height=480,resizable=yes,status=no,title=yes,toolbar=no,location=no,scrollbars=yes,screenX='+XX+',screenY='+YY+',left='+XX+',top='+YY);
  popupwindow.focus();
}