var CurrentTvItem = 1;
var disableClick = false;
var tvRotator = setInterval('cycleTvItems(5)',5000);

function cycleTvItems(number)
{
	var nextItem = 1;
	var currentItem = CurrentTvItem;
	
	if (CurrentTvItem < number)
	{
		nextItem = CurrentTvItem + 1;
		CurrentTvItem++;
	}
	else
	{
		CurrentTvItem = 1;
		nextItem = 1;
	}
	
	switchItems(nextItem,currentItem);
}

function stopRotation()
{
	 clearTimeout ( tvRotator );
	 tvRotator = false;
}

function clickTv(tv)
{
	if (disableClick)
		return;
	if (tvRotator)
		stopRotation();
	
	var nextItem = tv;
	var currentItem = CurrentTvItem;
	
	var nextTab = $('tv_tabs_tab_' + nextItem);
	var currentTab = $('tv_tabs_tab_' + currentItem);
	var nextTv = $('tv_content_' + nextItem);
	var currentTv = $('tv_content_' + currentItem);
	
	currentTab.removeClassName('active');
	nextTab.addClassName('active');
	currentTv.hide();
	nextTv.show();
	CurrentTvItem = nextItem;
}

function switchItems(nextItem,currentItem)
{
	if (!currentItem)
		currentItem = CurrentTvItem;
	var nextTab = $('tv_tabs_tab_' + nextItem);
	var currentTab = $('tv_tabs_tab_' + currentItem);
	var nextTvId = 'tv_content_' + nextItem;
	var currentTv = $('tv_content_' + currentItem);
	
	currentTab.removeClassName('active');
	nextTab.addClassName('active');
	disableClick = true;
	currentTv.fade({ duration: 0.5 });
	var appear = '$(\''+nextTvId+'\').appear({ duration: 0.5 }); disableClick = false;';
	setTimeout(appear,500);
}