var selection = '1';

function choose(id)
{		
	var e = document.getElementById('contentnews' + id);
	
	if(e.style.display == 'block')
	{
		if(selection != id)
		{
			e.style.display = 'none';
		}
	}
	else
	{
		e.style.display = 'block';
	}
	
	if(selection != id)
	{
		document.getElementById('contentnews' + selection).style.display = 'none';		
		document.getElementById('news' + id).style.background = 'url(images/news_number_select_bg.png) no-repeat';
		document.getElementById('news' + id).style.color = '#6d7d35'; 
		document.getElementById('news' + selection).style.background = 'url(images/news_number_bg.png) no-repeat';		
		document.getElementById('news' + selection).style.color = '#1f4b67';
	}
	selection = id;
			  
}

//setTimeout('change()',10000);

function change()
{
	selection1 = parseInt(selection) + 1;
	
	if(parseInt(selection1) >3)
	{
		selection1 = 1;
	}
	
	document.getElementById('contentnews' + selection).style.display = 'none';
	document.getElementById('contentnews' + selection1).style.display = 'block';

	document.getElementById('news' + selection1).style.background = 'url(images/news_number_select_bg.png) no-repeat';
	document.getElementById('news' + selection1).style.color = '#6d7d35';
	document.getElementById('news' + selection).style.background = 'url(images/news_number_bg.png) no-repeat';
	document.getElementById('news' + selection).style.color = '#1f4b67';
	
	selection = selection1;
	
	setTimeout('change()',10000);
}