[javascript] How to open a new window and insert html into it using jQuery?

I am trying to open a new window from javascript but nothing is being inserted into the html:

var callScriptText = $('#callScriptText').html();
var url = '/Action/CallScript/?callScript=';

// Open the current call script in a new window
var openWindow = window.open(url, 'callScriptPopup', 'width = 500, height = 500');
$(openWindow).html(callScriptText);

Does anyone know why?