var sidebar_align = 'right';
var content_container_margin = parseInt('290px');
var sidebar_width = parseInt('270px');
Am i on right track?
Below is what i am trying to acheive.
Taking orders from customers for flowers making a purchasing order sending it to Supplier and supplier ships to Customer.
It's hard to say anything useful about your conceptual model because I know less about the problem domain than you do. That's why data modeling by forum is usually little better than guesswork.
Also, many people will hesitate to help with what may be your homework.