function $(id) {
  return document.getElementById(id);
}

function fc_nowe_okno(path,w,h) {
  w+=16;
  h+=2;
  window.open("showimage.php?path="+path,"_blank","toolbar=no, location=no, directories=no, status=no, menubar=no, scrollbars=yes, resizable=yes, copyhistory=no, width="+w+", height="+h);
}
function fc_nowe_o(path,w,h) {
	var left = 0;
	var top = 0;
	if (screen.width > w) {
		left = (screen.width - w) / 2;
	}	
	if (screen.height > h)
	{
		top = (screen.height - h) / 4;
	}
  window.open("showimage.php?path="+path,"_blank","toolbar=no, location=no, directories=no, status=no, menubar=no, scrollbars=no, resizable=yes, copyhistory=no, top=" + top + ",left=" +left + "width="+w+", height="+h);
}