function showimage(img)
{
	var image = document.getElementById('article_pic'+img);
	
	if (image.innerHTML == "") {
		var newimg = document.createElement('img');
		newimg.src = "/pictures/preview/"+img+"a.jpg";
		newimg.alt = "picture preview";
		image.appendChild(newimg);
	}
	
	image.style.display = 'block';
}

function hideimage(img)
{
	var image = document.getElementById('article_pic'+img);
	
	image.style.display = 'none';
	
	//image.style.visibility = "hidden";
}