Neeed Help?!?!? Iphone 3gs Problem?!?!?

okk…i got my iphone 3gs in november 2009 and connected it to my computer with my itunes..
now in december 2010 i have got a laptop and i have just downloaded itunes ..
my question is;;
CAN I CONNECT MY IPHONE TO MY LAPTOP NOW WITHOUT IT WIPING MY ENTIRE PHONE?? i want to download songs off my new itunes..
Please help?!?

View the original article here