$(document).ready(function() {
	$('.navigation_home').html('<div class="main_navigation first" >Home</div>');
	$('.navigation_productivity').html('<div class="main_navigation" >Productivity</div>');
	$('.navigation_projects').html('<div class="main_navigation" >Projects</div>');
	$('.navigation_jobs').html('<div class="main_navigation" >Career</div>');
	$('.navigation_contact').html('<div class="main_navigation last" >Contact Us</div>');

	/**
	 * topic to right;
	 */
});