[Javascript] Calculating large number of different values

[Fred Newtz]

Alright, I have typed this email twice and have finally decided to just
break it down to its simplest form:

I have a two dimensional array that represents the # of days in a week in
the first dimension and the total number of kids in an age group in the
second dimension.  

So 

PlanPart[0][0] = [Sunday][1-2 year olds total attendance]
PlanPart[1][0] = [Monday][1-2 year olds total attendance]
Planpart[0][1] = [Sunday][3-5 year olds total attendance]
PlanPart[0][2] = [Sunday][6-12 year olds total attendace]
Etc...

>From there I have three different One Dimensional arrays (could possible be
a two dimensional array instead obviously) that contains the different
quantites served for each different age group.

So 
milk_array[0] = Amount of milk served for 1-2 year olds
Milk_array[1] = Amount of milk served for 3-5 year olds
Milk_array[2] = Amount of milk servedfor 6-12 year olds
Grain_array[0-2] = Amount of Grains Served for each age group 
Fruit_array[0-2] = Amount of fruit served for each age group

Now I need to be able to update nine different text boxes with the total
quantities served of each different category of food * number of children in
each age group for that particular day of the week.  

So what is the best way to name my textboxes and setup my arrays so that I
can loop through them easily, make the calculation and assign it to the
textbox's value.

How can I do this when my page loads.  There is a set of drop down boxes on
the page for the current date.  I want the totals to be shown for the
current day of the week when the page is loaded.  

How can I trigger the totals to change when someone manually types in the
total # of children for a specific age group?  What event should I use and
do I have to calculate all of the values on the page again or do I have to
write four different functions to make this all happens properly?  Or just
one function that has a optional parameter that just tells the function to
calculate a specific age group?

Argh!  I have this basically work, but my code is HUGE!  I have three
different forms I have to do calculations on and my total code length is in
excess of 100k.  Needless to say it does not load properly and I have to do
something better.  

Thanks for the help in advance!  Hopefully people understand what I am
asking!

Thanks,
 
Fred Newtz
 

Thanks,
 
Fred Newtz