var swin;
var temp_pic;

function picpop(pic) {
	picpath = document.images[pic].src;
	bpend = picpath.substr(picpath.length-4, 4);
	pic = picpath.substr(0, picpath.length-7) + bpend;
	if (swin && !swin.closed && temp_pic != pic)
		swin.close();
	swin = window.open('/pic.php?img=' + pic, 'picwin', 'width=200,height=200,resizable=yes');
	swin.focus();
	temp_pic = pic;
}

function pclose() {
  if (swin != null && swin.open) swin.close();
}