function setUnvalidOrDirtyTab(tabs) {
    for (var tabId in tabs) {
        var tab = tabs[tabId];
        if (tab.form && tab.originalTitle) {
            tab.title = MarkUnvalidOrDirtyTab(tab.form, tab.originalTitle);
        }
    }
}

function MarkUnvalidOrDirtyTab(formName, tabName) {
    var tName = tabName;
    if (!IsValidForm(formName)) {
        tName = tabName + " !";
    }
    else if (HasFormDirtyFields(formName)) {
        tName = tabName + " *";
    }
        return tName;
}