Help anyone?

mag = 80;
wid = 200;
hei = 200;
OX = 0;
OY = 0;
lineStyle(1, 0x000000, 100);
moveTo(0, 200);
lineTo(0, -200);
moveTo(200, 0);
lineTo(-200, 0);
//
//
moveTo(200, 200);
lineTo(200, -200);
moveTo(200, -200);
lineTo(-200, -200);
moveTo(-200, -200);
lineTo(-200, 200);
moveTo(-200, 200);
lineTo(200, 200);
lineStyle(3, 0x0000FF, 100);
for (var c = -1.25; c<=+1.25; c++) {
}
lineStyle(3, 0x000000, 100);
for (var c = -10; c<=+10; c++) {
	moveTo(OX-c*20, OY-1);
	lineTo(OX-c*20, OY+1);
	moveTo(OX-1, OY-c*20);
	lineTo(OX+1, OY-c*20);
}
function onOK() {
	B = b;
	M = M;
	if (M>0) {
		Y1 = (((-M)*10)-B);
		if ((Y1<=10) and (Y1>=-10)) {
			XFin = 200;
			YFin = Y1*20;
		}
		X1 = ((10-B)/(M));
		if ((Y1>=10) or (Y1<=-10)) {
			XFin = X1*20;
			YFin = -200;
		}
		Y2 = (((-M)*-10)-B);
		if ((Y2<=10) and (Y2>=-10)) {
			NXFin = -200;
			NYFin = Y2*20;
		}
		X2 = ((-10-B)/(M));
		if ((Y2>=10) or (Y2<=-10)) {
			NXFin = X2*20;
			NYFin = 200;
		}
	}
	if (M<0) {
		Y1 = (((M)*10)-B);
		if ((Y1<=10) and (Y1>=-10)) {
			XFin = -200;
			YFin = Y1*20;
		}
		if ((Y1>=10) or (Y1<=-10)) {
			X1 = ((10-B)/(-M));
			XFin = -X1*20;
			YFin = -200;
		}
		Y2 = (((M)*-10)-B);
		if ((Y2<=10) and (Y2>=-10)) {
			NXFin = 200;
			NYFin = Y2*20;
		}
		X2 = ((-10-B)/(-M));
		if ((Y2>=10) or (Y2<=-10)) {
			NXFin = -X2*20;
			NYFin = 200;
		}
	}
	if (M == 0) {
		XFin = 200;
		YFin = -B*20;
		NXFin = -200;
		NYFin = -B*20;
	}
	lineStyle(3, 0x000000, 100);
	moveTo(XFin, YFin);
	lineTo(NXFin, NYFin);
	//
	//
	Y3=(((-M*(_root.ball1._x/20))-B)*20)
	Y4=((_root.ball1._y)-Y3)
	if((Y4<12.5) and (Y4>-12.5)){
	_root.ball1.gotoAndPlay("break");
	}
	Y5=(((-M*(_root.ball2._x/20))-B)*20)
	Y6=((_root.ball2._y)-Y5)
	if((Y6<12.5) and (Y6>-12.5)){
	_root.ball2.gotoAndPlay("break");
	}
	Y7=(((-M*(_root.ball3._x/20))-B)*20)
	Y8=((_root.ball3._y)-Y7)
	if((Y8<12.5) and (Y8>-12.5)){
	_root.ball3.gotoAndPlay("break");
	}
	Y9=(((-M*(_root.ball4._x/20))-B)*20)
	Y10=((_root.ball4._y)-Y9)
	if((Y10<12.5) and (Y10>-12.5)){
	_root.ball4.gotoAndPlay("break");
	}
	Y11=(((-M*(_root.ball5._x/20))-B)*20)
	Y12=((_root.ball5._y)-Y11)
	if((Y12<12.5) and (Y12>-12.5)){
	_root.ball5.gotoAndPlay("break");
	}
	Y13=(((-M*(_root.ball6._x/20))-B)*20)
	Y14=((_root.ball6._y)-Y13)
	if((Y14<12.5) and (Y14>-12.5)){
	_root.ball6.gotoAndPlay("break");
	}
	Y15=(((-M*(_root.ball7._x/20))-B)*20)
	Y16=((_root.ball7._y)-Y15)
	if((Y16<12.5) and (Y16>-12.5)){
	_root.ball7.gotoAndPlay("break");
	}
	Y17=(((-M*(_root.ball8._x/20))-B)*20)
	Y18=((_root.ball8._y)-Y17)
	if((Y18<12.5) and (Y18>-12.5)){
	_root.ball8.gotoAndPlay("break");
	}
	Y19=(((-M*(_root.ball9._x/20))-B)*20)
	Y20=((_root.ball9._y)-Y19)
	if((Y20<12.5) and (Y20>-12.5)){
	_root.ball9.gotoAndPlay("break");
	}
	Y21=(((-M*(_root.ball10._x/20))-B)*20)
	Y22=((_root.ball10._y)-Y21)
	if((Y22<12.5) and (Y22>-12.5)){
	_root.ball10.gotoAndPlay("break");
	}
	Y23=(((-M*(_root.ball11._x/20))-B)*20)
	Y24=((_root.ball11._y)-Y23)
	if((Y24<12.5) and (Y24>-12.5)){
	_root.ball11.gotoAndPlay("break");
	}
	Y25=(((-M*(_root.ball12._x/20))-B)*20)
	Y26=((_root.ball12._y)-Y25)
	if((Y26<12.5) and (Y26>-12.5)){
	_root.ball12.gotoAndPlay("break");
	}
	Y27=(((-M*(_root.ball13._x/20))-B)*20)
	Y28=((_root.ball13._y)-Y27)
	if((Y28<12.5) and (Y28>-12.5)){
	_root.ball13.gotoAndPlay("break");
	}
	Y29=(((-M*(_root.ball14._x/20))-B)*20)
	Y30=((_root.ball14._y)-Y29)
	if((Y30<12.5) and (Y30>-12.5)){
	_root.ball14.gotoAndPlay("break");
	}
	Y31=(((-M*(_root.ball15._x/20))-B)*20)
	Y32=((_root.ball15._y)-Y31)
	if((Y32<12.5) and (Y32>-12.5)){
	_root.ball15.gotoAndPlay("break");
	}
}
stop();