Problems with evalin function

Hi,
Whenever I run mod file, there’s alway something wrong with evalin function. I download the file from here: Christiano Eichenbaum Evans 2005 JPE Code, and run it on my MATLAB 7.0

??? Undefined function or variable “dyngraph”.

Error in ==> CEE20054 at 239
dyngraph

Error in ==> dynare at 132
evalin(‘base’,fname) ;

I wrote a mod file myself and the result is :

??? Undefined command/function ‘datasaver’.

Error in ==> E1 at 121
datasaver(‘simudata’,]);

Error in ==> dynare at 132
evalin(‘base’,fname) ;
E1.mod (781 Bytes)

You call a nonexistent function “datasaver”. Remove that function call.