function ourFav() {
	document.getElementById('our-fav-link').className = 'selected';
	document.getElementById('your-fav-link').className = '';
	
	document.getElementById('our-fav').style.display = 'block';
	document.getElementById('your-fav').style.display = 'none';
}

function yourFav() {
	document.getElementById('our-fav-link').className = '';
	document.getElementById('your-fav-link').className = 'selected';
	
	document.getElementById('our-fav').style.display = 'none';
	document.getElementById('your-fav').style.display = 'block';
}

function history() {
	document.getElementById('history-link').className = 'selected';
	document.getElementById('how-it-works-link').className = '';
	
	document.getElementById('history').style.display = 'block';
	document.getElementById('how-it-works').style.display = 'none';
}

function howItWorks() {
	document.getElementById('history-link').className = '';
	document.getElementById('how-it-works-link').className = 'selected';
	
	document.getElementById('history').style.display = 'none';
	document.getElementById('how-it-works').style.display = 'block';
}

function changeImg(id) {
	document.getElementById('image-big').src = 'images/products/'+id+'_big.jpg';
}

function disclaimer() {
	document.getElementById('close-disclaimer-link').className = '';
	document.getElementById('disclaimer-link').className = 'selected';
	
	document.getElementById('close-disclaimer').style.display = 'none';
	document.getElementById('disclaimer').style.display = 'block';
}
function closeDisclaimer() {
	document.getElementById('disclaimer-link').className = '';
	
	document.getElementById('disclaimer').style.display = 'none';
}