ADX indicator

Will a programmer please fix this indicator! The alert will not stop going off! I just need it to give one alert not several lol!!


//+------------------------------------------------------------------+
//| ADX Crossing.mq4
//| Amir
//+------------------------------------------------------------------+
#property copyright "Author - Amir"
#property indicator_chart_window
#property indicator_buffers 2
#property indicator_color1 Lime
#property indicator_color2 Red
//---- input parameters
extern int ADXbars=14;
extern int CountBars=350;

//---- buffers
double val1[];
double val2[];
double b4plusdi,nowplusdi,b4minusdi,nowminusdi;
//+------------------------------------------------------------------+
//| Custom indicator initialization function |
//+------------------------------------------------------------------+
int init()
{
string short_name;
//---- indicator line
IndicatorBuffers(2);
SetIndexStyle(0,DRAW_ARROW);
SetIndexArrow(0,108);
SetIndexStyle(1,DRAW_ARROW);
SetIndexArrow(1,108);
SetIndexBuffer(0,val1);
SetIndexBuffer(1,val2);
//----
return(0);
}
//+------------------------------------------------------------------+
//| AltrTrend_Signal_v2_2 |
//+------------------------------------------------------------------+
int start()
{
if (CountBars>=Bars) CountBars=Bars;
SetIndexDrawBegin(0,Bars-CountBars);
SetIndexDrawBegin(1,Bars-CountBars);
int i,shift,counted_bars=IndicatorCounted();

//---- check for possible errors
if(counted_bars<0) return(-1);
//---- initial zero
if(counted_bars<1)
{
for(i=1;i<=CountBars;i++) val1[CountBars-i]=0.0;
for(i=1;i<=CountBars;i++) val2[CountBars-i]=0.0;

}

for (shift = CountBars; shift>=0; shift--)
{
b4plusdi=iADX(NULL,0,ADXbars,PRICE_CLOSE,MODE_PLUSDI,shift-1);
nowplusdi=iADX(NULL,0,ADXbars,PRICE_CLOSE,MODE_PLUSDI,shift);
b4minusdi=iADX(NULL,0,ADXbars,PRICE_CLOSE,MODE_MINUSDI,shift-1);
nowminusdi=iADX(NULL,0,ADXbars,PRICE_CLOSE,MODE_MINUSDI,shift);
if (b4plusdi>b4minusdi && nowplusdi<nowminusdi && i!=1)
{
val1[shift]=Low[shift]-5*Point;
Alert("Buy Arrow","\n","Current time is ",TimeToStr(CurTime()),"\n",Symbol());
i++;
}
if (b4plusdi<b4minusdi && nowplusdi>nowminusdi && i!=1)
{
val2[shift]=High[shift]+5*Point;
Alert("Sell Arrow","\n","Current time is ",TimeToStr(CurTime()),"\n",Symbol());
i++;
}


}
return(0);
}
//+------------------------------------------------------------------+

Does anyone atleast have a MTF adx that they do not mind posting?