function sendBoardMessage(boardId, companyId, groupId) {
    if(
            $('#message_board_input_text').val()!=null
            && $('#message_board_input_text').val().length!=0
            ){
        if(companyId!=null){
            params = {'boardId':boardId,'message.text':$('#message_board_input_text').val(),'senderCompanyId':$('#message_board_input_company').val(), 'companyId':companyId};
        }
        if(groupId!=null){
            params = {'boardId':boardId,'message.text':$('#message_board_input_text').val(),'senderCompanyId':$('#message_board_input_company').val(), 'groupId':groupId};
        }
    $.post(
            path+'ajax/createboardmessage',
            params,
            function (data){
                $('#board_message_table_body').prepend(data);
                $('#board_count').text(new Number($('#board_count').text())+1);
            },
            'html'
            );
    $('#message_board_input_text').val("");
    }
}

function listBoardMessages(boardId, offset, companyId, groupId){
    var params;
    if(companyId!=null){
        params = {'boardId':boardId, 'listModel.offset':offset, 'companyId':companyId};
    }
    if(groupId!=null){
        params = {'boardId':boardId, 'listModel.offset':offset, 'groupId':groupId};
    }
    $.get(
        path+'ajax/boardmessages',
        params,
        function(data){
            $('#message_board').html(data);
        },
        'html'
    );
}