buttons.js

function dialogCommandHandler(command)
{
    if (command.label === "Yes") {
        saveCharInfo()
    }
    else
    {
        return;
    }
}

function message(message) {
    var msgBox = new Windows.UI.Popups.MessageDialog(message);
    msgBox.commands.append(new Windows.UI.Popups.UICommand("Yes", dialogCommandHandler));
    msgBox.commands.append(new Windows.UI.Popups.UICommand("No", dialogCommandHandler));
    msgBox.showAsync();
}

function testSaveCharInfo()
{
    charName = document.getElementById("char_name");
    if (charName.value.length === 0)
    {
        alert("Fill in a name first");
    }
    else
    {
        message("Are you sure you want to save?\nYou can't change this later on without resetting your character");
    }
}
function saveCharInfo()
{

}