function progress(i,tot)
	nchunks = 20;
	chunk = floor(tot / nchunks);
	if i == 2
		fprintf('\n|');
		for j=1:nchunks
			fprintf('-');
		end
		fprintf('|\n ');
	end
	if(mod(i,chunk) ==0)
		fprintf('o');	
	end
	if i == tot
		fprintf(' :-) \n');	
	end