Should I text or wait?

I used to text this girl about 6 months ago and we really had a great friendship but then she asked me out and i said no because i had a random crush on someone else. So now we havn't talked for 6 months except once when she randomly said hi to me on msn and we chatted for a bit which was wierd because i had randomly asked her best friend for homework help the day before. so today i was bored and randomly texted whats up to her. She day before. so today i was bored and randomly texted whats up to her. She responded nothing long time no talk and we texted for a bit. Mid convo she randomly stopped texting. My question is is should i wait for her to text me again or should i just say whats up again tommorrow. responded nothing long time no talk and we texted for a bit. Mid convo she randomly stopped texting. My question is is should i wait for her to text me or should i say whats up again tommorrow? responded nothing long time no talk and we texted for a bit. Mid convo she randomly stopped texting. My question is is should i wait for her to text me randomly stopped texting. My question is is should i wait for her to text me again or should i just say whats up again tommorrow. responded nothing again or should i just say whats up again tommorrow. responded nothing long time no talk and we texted for a bit. Mid convo she randomly stopped texting. My question is is should i wait for her to text me or should i say whats up again tommorrow? ong time no talk and we texted for a bit. Mid convo she randomly stopped long time no talk and we texted for a bit. Mid convo she randomly stopped texting. My question is is should i wait for her to text me or should i say whats up again tommorrow? She used to always text first but i usually carried the conversation.