This function is used to make sure any value that is considered a true value in DataEase are reported as true in dataeaseconnet.js. It is used when we read values from the server and want to ex. set a checkbox. This returns true on all values used for this like "yes", boolian true and 1 like form ini files.


- fval | a field value to test

Return true if fval is "yes", true or 1