Hi All,
I have created a new site named site01, and then i went to SharePoint designer and opened the hall site to modify the master page,, then i have created a new master page named as newMatsr.master ,,, http://myServer/test01/ and navigated to Site Actions > Site Settings > Look & Feel > Master Pages .. and as i know the new created Master Page called newMatsr.master should appear on the list of Master pages at the drop down list ! but its not therr ,, so what can i do