/* Simple code to popup a window */
function windowOpener(url, name, args) {
  if (typeof(popupWin) != "object"){
    popupWin = window.open(url,name,args);
  } else {
    if (!popupWin.closed){
      popupWin.location.href = url;
    } else {
      popupWin = window.open(url,name,args);
    }
  }
  popupWin.focus();
}