If I have a lot of functions on startup do they all have to be under one single:
$(document).ready(function() {
or can I have multiple such
You can even nest document ready functions inside included html files. Here's an example using jquery:
File: test_main.html
test_main.html
File: test_embed.html
test_embed.html
Console output:
test_main.html READY test_main.html:15 test_embed.html READY (program):4
Browser shows: