My 11-year-old daughter deniably did something to my 3wk old Ipod Touch. The top glass is fine but you can see cracks underneath it. My touch functions work fine, for now. I have googled all over the place and keep getting all kinds of answers. I just want to know what parts I need to replace so I make sure I order the right thing. I've been told I need to replace the LCD screen and SOme people have said I need to also replace the digitizer. HELP???