new night duty rota

[maybedefinately]

Hi im new and would like some work related advice please. My manager mentioned that we needed to update a rota for new staff who would be starting on the night shift. This would help new staff working nights not to miss anything important. While on nights i drew up a draft detailing everything that needed doing and in the morning left it on my managers desk. Next day I found that a co worker had printed off my work and put a message in the work book that he was updating the old version which was done by a member of staff who left 2 years ago and would be updating a newer version. I went to speak to him to let him know that I had already done one and found him sat at a computer with my work and was told by him that he was just changing a few things! His "new" version is now up in the staff information room and I have found that he has merely added one or two ideas that if given back to me I could easily have added but the majority of the work is mine. I just don't know why he couldn't have included me in the retyping considering I had put the majority of it together. I also wanted to use it for my portfolio and feel that my hard work has been for nothing. I feel he has taken my work, changed a few words, added a sentence or 2 and is now passing it off as his own. Advice would be appreciated.

[classicdame, MSN, EdD]

next staff meeting mention to all what occured, but not in a griping manner. Just be factual. Hopefully he will be too embarrassed to disagree with you.