help creating bukkit 1.7.2 server

hi all, so ive downloaded the bukkit 1.7.2 server and when i run the bat file the cmd comes up with "cant load IA 32-bit .dll on a AMD 64-bit platform" can anybody please help me with this as my current svr is the normal 1.7.2 beta server and is a complete mess with people miles away from each other and unable to add plugins etc and the entire complex who im hosting to and myself would realy like to get this new server up and running within the next hour so we can get started on our new city and cod4 maps etc.... thanx in advance