var strActiveId = '0';
var intInterval = 0;
function show(id)
{	
	strActiveId = id + '';
	clearInterval(intInterval);
	document.getElementById('mc').innerHtml = '';
	document.getElementById('title').innerHtml = '';
	document.getElementById('img_show').src = '/images/null.gif';
	document.getElementById('mc').innerHTML = arr_text[id];
	document.getElementById('title').innerHTML = arr_title[id];
	document.getElementById('img_show').src = '/images/null.gif';
	intInterval = setInterval(img, 50);
	//
	var l = document.getElementById('aLeft');
	var r = document.getElementById('aRight');
	l.style.display = 'inline';
	r.style.display = 'inline';
	
	if(arr_img.length < 2)
	{
		l.style.display = 'none';
		r.style.display = 'none';
	}
	if(strActiveId == '0')
		l.style.display = 'none';
		
	if(strActiveId == (arr_img.length-1) + '')
		r.style.display = 'none';
}
function img(id)
{
	clearInterval(intInterval);
	document.getElementById('img_show').src =  arr_img[strActiveId] +'.jpg';	
}
function page(type)
{
	if(type == 'next')
	{
		show(Number(strActiveId) + 1);
	}else
	{
		show(Number(strActiveId) - 1);
	}
}


function videoShow(id, text)
{
	document.getElementById('img_show').src = '/files/videoart/_' + id + '.jpg';
	document.getElementById('title').innerHTML = text;	
}

function digitalShow(id, text)
{
	document.getElementById('img_show').src = '/files/digitalworks/_' + id + '.jpg';
	document.getElementById('title').innerHTML = text;	
}