WordPress & site URL

Hi
I have a WordPress site the wordpress install on root
Its correct I have same URL http://egynaika.gr in two fields WordPress & site URL on general settings ?
when i import a image on post the wordpress put a full link with http://
How I can put only the path ?
example in post code put only
/wp-content/uploads/2014/01/sarah-jessica-parker-papoutsia-me-tin-ipografi-tis-1-e1389959674801.jpg

and not
http://egynaika.gr/wp-content/uploads/2014/01/sarah-jessica-parker-papoutsia-me-tin-ipografi-tis-1-e1389959674801.jpg

best regards
–Kirki