function hover(control, beingHovered)
{return
    if(beingHovered)
    {
        control.src='/images/question_hover.jpg';
    }
    else
    {
        control.src='/images/question.jpg';
    }
}

function ValidateEmptyListBox(source, clientside_arguments)
{     
    if(clientside_arguments.Value.length == 0)
        clientside_arguments.IsValid = false;
    else
        clientside_arguments.IsValid = true;  
}