function imgTag(url, style_class, alt) {
	return '<img src="' + url + '" class="' + style_class + '" alt="' + alt + '" />';
}

function clearLinks() {
	document.getElementById('profile-home').style.display = 'none';
	document.getElementById('profile-dan').style.display = 'none';
	document.getElementById('profile-minh').style.display = 'none';

	document.getElementById('profile-dan-link').className = 'rollover';
	document.getElementById('profile-minh-link').className = 'rollover';
	document.getElementById('profile-return').className = 'rollover';
	document.getElementById('profile-return').style.display = 'none';
	document.getElementById('profile-dan-email').style.display = 'none';
	document.getElementById('profile-minh-email').style.display = 'none';
	document.getElementById('profile-dan-link').innerHTML = 
		imgTag('img/profile/profile_03.jpg', 'normal')
		+ imgTag('img/profile/highlight/profile_03.jpg');
	document.getElementById('profile-minh-link').innerHTML = 
		imgTag('img/profile/profile_05.jpg', 'normal')
		+ imgTag('img/profile/highlight/profile_05.jpg');
}

function showHome() {
	clearLinks();
	document.getElementById('profile-home').style.display = 'block';
	return false;
}

function showDan() {
	clearLinks();
	document.getElementById('profile-dan').style.display = 'block';

	document.getElementById('profile-dan-link').innerHTML = 
		imgTag('img/profile-dan/profile-dan_03.jpg', 'normal')
		+ imgTag('img/profile-dan/highlight/profile-dan_03.jpg');
	document.getElementById('profile-minh-link').innerHTML = 
		imgTag('img/profile-dan/profile-dan_05.jpg', 'normal')
		+ imgTag('img/profile-dan/highlight/profile-dan_05.jpg');
	document.getElementById('profile-return').style.display = 'block';
	document.getElementById('profile-dan-email').style.display = 'block';
	return false;
}

function showMinh() {
	clearLinks();
	document.getElementById('profile-minh').style.display = 'block';

	document.getElementById('profile-dan-link').innerHTML = 
		imgTag('img/profile-minh/profile-minh_03.jpg', 'normal')
		+ imgTag('img/profile-minh/highlight/profile-minh_03.jpg');
	document.getElementById('profile-minh-link').innerHTML = 
		imgTag('img/profile-minh/profile-minh_05.jpg', 'normal')
		+ imgTag('img/profile-minh/highlight/profile-minh_05.jpg');
	document.getElementById('profile-return').style.display = 'block';
	document.getElementById('profile-minh-email').style.display = 'block';
	return false;
}