var selectedTab;

window.addEvent('domready', function(){

	$('tabHolder').setStyle  ('height', $('tabDescription').getSize().y);
	
    $('headerDescription').addEvent ('click', function() {

		processClick ('d');
		$('tabHolder').setStyle ('height', $('tabDescription').getSize().y);

    });

    $('headerFeatures').addEvent ('click', function() {

		processClick ('f');
		$('tabHolder').setStyle ('height', $('tabFeatures').getSize().y);

    });

    $('headerOffers').addEvent ('click', function() {

		processClick ('o');
		$('tabHolder').setStyle ('height',  $('tabOffers').getSize().y);

    });

	/*var itemTips = new Tips('.tipItem', {className: 'tipContainer'});

	for (var i=0; i< tipArray.length; i++)
	{
		$('item' + i).store('tip:text', tipArray[i]);
	}
	
	$('.tipItem').addEvent ('mouseenter', function() {
		 $('.tipItem').fade('in');
    });
	
	$('.tipItem').addEvent ('mouseleave', function() {
		 $('.tipItem').fade('out');
    });*/

});

function processClick(f)
{
	if (selectedTab == f)
	{
		return;
	}
		
	hideTab();
	selectedTab = f;
	showTab();

	return;
}

function hideTab()
{
	if (selectedTab == 'd')
	{
		$('tabDescription').setStyle('visibility', 'hidden');
		$('imgDescription').src = '../images/advert/tab_description_off.jpg'
	}
	else if (selectedTab == 'f')
	{
		$('tabFeatures').setStyle('visibility', 'hidden');
		$('imgFeatures').src = '../images/advert/tab_features_off.jpg'
	}
	else if (selectedTab == 'o')
	{
		$('tabOffers').setStyle('visibility', 'hidden');
		$('imgOffers').src = '../images/advert/tab_offers_off.jpg'
	}
}

function showTab()
{
	if (selectedTab == 'd')
	{
		$('tabDescription').setStyle('visibility', 'visible');
		$('imgDescription').src = '../images/advert/tab_description_on.jpg'
	}
	else if (selectedTab == 'f')
	{
		$('tabFeatures').setStyle('visibility', 'visible');
		$('imgFeatures').src = '../images/advert/tab_features_on.jpg'
	}
	else if (selectedTab == 'o')
	{
		$('tabOffers').setStyle('visibility', 'visible');
		$('imgOffers').src = '../images/advert/tab_offers_on.jpg'
	}
}