jQuery(function() {
	var header = jQuery('#site-header');
	var menu = jQuery('.site-navigation');
	var container = jQuery('#site-header').parent();

	var diff = container.width() - menu.width() - jQuery('.site-component-logo').width();
	if (typeof(additionalDiff) != 'undefined') {
		diff -= additionalDiff;
	}
	header.width(header.width() + diff);
	menu.width(menu.width() + diff);
});