Calculating Multiple Totals / Doesn't Seems To Be Working

Our basketball officials chapter is implementing an on-line evaulation form and I have been asked to create the form. The form itself was not a real problem but the officials would like the form to automatically total the points in each Section (A thru F) and automatically total the six sections into a grand total. Right now I simply have a number of defaults: points per item, Section total, Grand total and a 'warning" that they need to update the totals if they make any changes to the default values. I thought could establish a variable for each section, perform a loop function to derive a total, then add the variables together for an overall total, but it doesn't seem to be working. I'm copying just a portion of the code (for Section A and Section B) below, along with my attempt at creating "functions" (at the end of the code) to do the math. (Not observed is treated the same as a "0")I'm probably missing something very simple but just don't see it. Any ideas on what I need to change?