yOu dOn't knOw , i dO it jUst foR yoU . . . huHh

just hear the songs , online facebook , download..i want to download ringtone, they request me my phone number . . then, i just give my phone number to them confidently...i never know that i have to pay some credit for them !! huhhh .. now, i'm lose my credit . . OMG !! :(