How to build simple Pic 16fxxx programmers

I had circuits from some websites on how to build simple low cost 16fxxx programmer. I lost the nformation. Can someone please direct me to any source or even suggest a working circuit? Please. I need to build a programmer with the least no. of components. Thank you.

Look at the 'sticky' in the microcontroller forum!.

thank you, its been helpful

its multipic prorammer.
make it once,u can program hell lot of PIC's
only drawback is it need serial port.