function itineraryOn() {
	document.getElementById('itinerary').className='on';
	document.getElementById('tab_itinerary').className='on';
	document.getElementById('lodging').className='';
	document.getElementById('tab_lodging').className='';
	document.getElementById('rating').className='';
	document.getElementById('tab_rating').className='';
	}

function lodgingOn() {
	document.getElementById('itinerary').className='';
	document.getElementById('tab_itinerary').className='';
	document.getElementById('lodging').className='on';
	document.getElementById('tab_lodging').className='on';
	document.getElementById('rating').className='';
	document.getElementById('tab_rating').className='';
	}

function ratingOn() {
	document.getElementById('itinerary').className='';
	document.getElementById('tab_itinerary').className='';
	document.getElementById('lodging').className='';
	document.getElementById('tab_lodging').className='';
	document.getElementById('rating').className='on';
	document.getElementById('tab_rating').className='on';
	}