function winopen (rd, nm, fx, fy) {
 sw=screen.width-8; sh=screen.height-55;
 s='no';
 if (fx>sw) { x=0; s='yes'; fx=sw; } else x=Math.round((sw-fx)/2);
 if (fy>sh) { y=0; s='yes'; fy=sh; } else y=Math.round((sh-fy)/2);
 abc=window.open(rd+'popup.php?nm='+nm,'ViewPic','top='+y+',left='+x+',width='+fx+',height='+fy+',scrollbars='+s);
}

function selectall (form) {
 val=form.elements['selall'].checked;
 for (i=0; i<form.elements.length; i++)
  if ((form.elements[i].type=='checkbox')&&(form.elements[i].type!='selall')) form.elements[i].checked=val;
}