// popup.js
var newWin = 0;

function popup (page) {
  if (page) {
    if (!newWin || newWin.closed) {
      newWin = window.open (page, "photo", "width=534,height=534");
    } else {
  	  newWin.location = page;
	  }
    newWin.focus();
  }
}