如何将PhoneGap应用程序下载到iPhone

I am new to PhoneGap. I have developed a small PhoneGap application and it works fine in the simulator. Now I want to download it to my iPhone. How can I do this..? I'm using XCode4 and PhoneGap V1.0.0. I tried following the guidelines in PhoneGap site, but with no success. It seems that XCode doesn't detect my iPhone. I don't currently have an Apple Developer license. Do I need to buy one to download my PhoneGap application to my iPhone..?I am new to PhoneGap. I have developed a small