function show_img(img_src)
	{
	document.getElementById('good-img').src = img_src;
	if (document.getElementById('div-good-img-map'))
		{
		document.getElementById('div-good-img-map').style.display = 'none';
		document.getElementById('div-good-img').style.display = 'block';
		document.getElementById('a-return').style.display = 'block';
		}
	}

function show_details()
	{
	document.getElementById('div-good-img').style.display='none';
	document.getElementById('div-good-img-map').style.display='block';
	document.getElementById('a-return').style.display='none';
	}