Ahmed,
1.Didn't you try to search the forum with DS1307 string before starting this thread Try it you will find 92 entries. This topic has been discussed several times earlier.
2.Read the product datasheet and I am sure you will find all the information you need.
http://pdfserv.maxim-ic.com/en/ds/ds1307.pdf
You have try things on your own before asking for help try to write the program, make the circuit board and where you have problem that you can sort out yourself then post a thread here.