I'm trying to build some sort of small web interface, where the user will have options which Linux distribution he/she wants to install on his VM without letting him getting any PXE messages or menu selection, so he clicks "CentOS 5", "CentOS 6" and the VM boots to PXE, and it will use kickstart to install the selected OS.

I tried to search and all I could come up was menus which can be displayed upon boot and the user selecting the item. 

Is there a way to pass to PXE any parameter so I can install X or Y?