flood fill

I have problem with my flood fill code.
The code will bring me to infinite loop.
Finally it says that the recursion limit is reached.
Pushing up the limit doesnt work.
Whats wrong with my code?

---------------code-------

function [A,i,j]=recur(A,i,j,color);
[M N]=size(A);

if(i<2|i>=M|j<2|j>=N|A(i,j)<100|A(i,j)==50),
return;
else
(A(i,j))>100,
A(i,j)=color;
recur(A,i+1,j,color);
recur(A,i-1,j,color);
recur(A,i,j+1,color);
recur(A,i,j-1,color);
end
-------------end of code----