function newWindow(url, name, w, h, wTop, wLeft, resizable, scrollbars, menubar, toolbar, addressbar, statusbar, fullscreen) {
  if(scrollbars==null) scrollbars = 0;
  if(resizable==null ) resizable  = 0;
  if(menubar==null   ) menubar    = 0;
  if(toolbar==null   ) toolbar    = 0;
  if(addressbar==null) addressbar = 0;
  if(statusbar==null ) statusbar  = 0;
  if(fullscreen==null) fullscreen = 0;
  if((wTop==null)  || (wTop==0) ) wTop  = (screen.height - h) / 2;
  if((wLeft==null) || (wLeft==0)) wLeft = (screen.width - w) / 2;
  var wProperties = 'height=' + h + ',width=' + w + ',top=' + wTop + ',left=' + wLeft + ',scrollbars=' + scrollbars + ',resizable=' + resizable + ',menubar=' + menubar + ',toolbar=' + toolbar + ',location=' + addressbar + ',statusbar=' + statusbar + ',fullscreen=' + fullscreen + '';
  var wObj = window.open(url, name, wProperties)
    if (parseInt(navigator.appVersion) >= 4) {
      wObj.window.focus();
    }
}