var confirmMsg  = 'Do you really want to delete ';

function confirmLink(theLink, confirmWhat)
{
    // Confirmation is not required in the configuration file
    if (confirmMsg == '') {
        return true;
    }

    var is_confirmed = confirm(confirmMsg + confirmWhat);
    if (is_confirmed) {
        theLink.href += '&is_js_confirmed=1';
    }

    return is_confirmed;
} // end of the 'confirmLink()' function