help to debug my trailing EA

Hi,

need some help with my code
I'm trying to do 2 things, trail my open position when it goes into profit by x pips and execute trailingpositions routine

then when price hits + 30 (level set externally by LevelTargetInProfit then use a different trailing routine trailingpositions2

/+------------------------------------------------------------------+
//| Trailing levels |
//+------------------------------------------------------------------+
void CheckPriceAboveorBelowLevel() {
int pr=ProfitPosition(), sl=StopLossInPoint();
int sp=MarketInfo(OrderSymbol(), MODE_SPREAD);

if (pr<LevelTargetInProfit && pr>=-3000 ) {
TrailingPositions();
return;
}

if (pr>LevelTargetInProfit ) {
TrailingPositions2();
return;
}
}

what am I doing wrong ? I need it to trail immediately?
Must I set a SL to start or will MT4 it apply one.