jQuery(document).ready(function(){
		jQuery('ul.mainNavigation li:nth-child(1)').addClass('sales');				   
		jQuery('ul.mainNavigation li:nth-child(2)').addClass('technical');
		jQuery('ul.mainNavigation li:nth-child(3)').addClass('marketing');
		jQuery('ul.mainNavigation li:nth-child(4)').addClass('training');
		jQuery('ul.mainNavigation li:nth-child(5)').addClass('support');
		jQuery('ul.mainNavigation li li').removeClass();

	});