Hand written character recognition using neural network

i need some guide lines and help to develop this ANN. i do开发者_开发问答n't have any past experience with neural networks and this is little bit hard for me. i want to recognize handwriting using this..

any help would be nice..

:-|

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This is an open source c# OCR:

http://neurondotnet.freehostia.com/samples/ocr.html