My blackberry curve drained out and now wont come on? HELP PLEASEEEE !?

[l[TishaeBbyt]

i have a bb curve ( the newest one ) and the battery drained when i was sleeping so now when i try to charge it , the red light comes on but then i just goes back off , and i tired to charge it on my computer but i just does the same thing PLEASE PLEASE PLEASE HELP ! i need my phone to come on .