~ I've a 2 dropdown list where data in second list box is to be displayed without actually loading the page.
~ To achieve that task, I've created my JS file with data before hand and loading during onChange() event 
~ My JS file contains a simple function along with data ( I'll mention in below step what exactly is the data) which returns Options based on the selection of first dropdown list
~ Data in JS is actually Hash of Arrays which piled up aroud 7MB