from browser import document
from browser.html import OBJECT



def load_link_href(e):
	e.preventDefault()

	if section.childElementCount == 1:
		document['section_obj'].remove()

	if e.target.href.endswith('.pdf'):
		section <= OBJECT(data=e.target.href, type='application/pdf', id='section_obj')

	elif e.target.href.endswith('.html'):
		section <= OBJECT(data=e.target.href, type='text/html', id='section_obj')


	for link in links:
		link.style.backgroundColor = '#8F00FF'

	e.target.style.backgroundColor = 'rgb(111, 50, 168)'



section = document['section']
links = document.getElementsByClassName('link')


for link in links:
	#link.style.width = str(100/len(links)) + '%'
	link.bind('click', load_link_href)

links[0].click()