var popup = null;
function popview(URL,w,h) {
  popup = window.open('', 'src_remote','width='+w+',height='+h+',left='+((screen.width-w)*0.5)+',top='+((screen.height-h)*0.5)+',toolbar=no,menubar=no,status=no,resizable=1,scrollbars=no');
  if (popup != null) {
    if (popup.opener == null) {
        popup.opener = self;
          self.location.href=document.location;
    }
    popup.location.href = URL;
    popup.focus();
  }
}