/**
* to open a popup with user-defined content in realtime ;)
*/
function realtimePopup(content) {
var winParams = 'width=650,height=550,resizable=1';
var popup = window.open('','popup',winParams);
popup.document.open();
popup.document.writeln('some title');
popup.document.writeln('');
popup.document.writeln('');
popup.document.writeln(content);
popup.document.writeln('');
popup.document.close();
return false;
}