If youwant to read the Quran with Roman alphabets in Arabic with its English translation and Arabic text, you can visit the following site.
http://www.quranflash.com/
Go to site,when it open select English.
The word enter will appear.Click it.
The book will open.
Select more options.A Few books will come.Select the thick book which says Tajweed ul Quran English.On opening Arabic text with English translation will appear,on one page while on the other page how to read Quran in Arabic with Roman Alphabets will appear.
The on line site address is as follows
Azhar