gistfile1.js

// When the toolbar button is clicked...
$('#newNickButton').click(function() {
    var newNick = getNewNickname();
    setNewNickname(newNick);
}

function getNewNickname() {

    // Build dialog markup
    var win = $('<div><p>Enter your new nickname</p></div>');
    var userInput = $('<input type="text" style="width:100%"></input>');
    userInput.appendTo(win);

    var userValue = '';

    // Display dialog
    $(win).dialog({
        'modal': true,
        'buttons': {
            'Ok': function() {
                userValue = $(userInput).val();
                $(this).dialog('close');
            },
            'Cancel': function() {
                $(this).dialog('close');
            }
        }
    });

    // Wait until dialog is closed !?!?!?
    // How do we do this!?  OH NOES!?!
    
    return userValue;
}

function setNewNickname(nick) {
    // Do whatever...
}