function popUp(URL) {
  day = new Date();
  id = day.getTime();
  eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=1,scrollbars=1,location=1,statusbar=1,menubar=1,resizable=1,width=800,height=600');");
}


function popUpImg(img) {
  day = new Date();
  id = day.getTime();
  eval("page" + id + " = window.open('showimage.php?f=' + img, '" + id + "', 'toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=0,width=420,height=320');");
}