$(document).ready(function(){
    $('.fieldTableInput tbody tr td span:nth-child(2), .FieldName span:nth-child(2), .FieldControl span:nth-child(2), .FieldControl span:nth-child(3), .LoginControl span:nth-child(3), .SearchColumnControls span').each(function(){
    if ($(this).html() == '*') $(this).html(' <img src=\'../App_Themes/Orange/asterix.png\' border=0 />');
    });
});