You've probably heard plenty of facts and fiction about online MBA degree programs.
Are they really on a par with on-campus study, will employers take an online degree program seriously, etc.?
Though certainly the relative value of your MBA degree has to do with the quality and reputation of the program you select, there are other things to consider about the differences between online and more traditional degree programs.
You should always research the quality of your individual online MBA program before enrolling including both looking into the accreditation of the institution and also surveying the experiences of others who took and graduated from the program. (This can often be done through an online degree review site.)
But as far as the simple differences between taking your degree online and in a more traditional on-campus experience, this "Online MBA Facts and Fictions" post from Yahoo! Education may help you put things in perspective.
Be sure to also check the online business school programs from Yahoo! Education.