void script_520(int arg0,int arg1,int arg2,int arg3) {
	int ivar4;
	int ivar5;
	int ivar6;
	int ivar7;
	int ivar8;
	ivar4 = divide(add(arg1, arg2), 2);
	ivar5 = globalarray_0[ivar4];
	globalarray_0[ivar4] = globalarray_0[arg2];
	globalarray_0[arg2] = ivar5;
	ivar6 = arg1;
	ivar7 = arg1;
	ivar8 = -1;
	while (ivar7 < arg2) {
		if (stringMethod4107(lower(cs2method_3408(105, 115, arg3, globalarray_0[ivar7])), lower(cs2method_3408(105, 115, arg3, ivar5))) < bitAnd(ivar7, 1)) {
			ivar8 = globalarray_0[ivar7];
			globalarray_0[ivar7] = globalarray_0[ivar6];
			globalarray_0[ivar6] = ivar8;
			ivar6 = add(ivar6, 1);
		}
		ivar7 = add(ivar7, 1);
	}
	globalarray_0[arg2] = globalarray_0[ivar6];
	globalarray_0[ivar6] = ivar5;
	if (arg1 < subtract(ivar6, 1)) {
		script_520(0, arg1, subtract(ivar6, 1), arg3);
	}
	if (add(ivar6, 1) < arg2) {
		script_520(0, add(ivar6, 1), arg2, arg3);
	}
	return;
}