function showFullPicture()
{	
	picId = "contentImage";
	if (document.getElementById) 
	{
		var srcPicture = document.getElementById(picId);
		
		var destPicture = document.getElementById('js_pictureshow_image');
		var destTableLayer = document.getElementById('js_pictureshow_table_container');
		var destTranspLayer = document.getElementById('js_pictureshow_transparent');
		
	}
	if (srcPicture)
	{
		sourceURL = "/upload/gallery/"+srcPicture.alt;
		
		//change destination picture source
		destPicture.src = sourceURL;
		
		//show both layers
		destTableLayer.style.marginTop = document.documentElement.scrollTop+'px';
		destTableLayer.style.display = "block";
		destTranspLayer.style.display = "block";
		
		//place onclick events
		destTableLayer.onclick = hideFullPicture;
		destTranspLayer.onclick = hideFullPicture;
	}
}

function hideFullPicture()
{
	if (document.getElementById) 
	{
		var destTableLayer = document.getElementById('js_pictureshow_table_container');
		var destTranspLayer = document.getElementById('js_pictureshow_transparent');
	}
	if (destTranspLayer)
	{		
		//hide both layers
		destTableLayer.style.display = "none";
		destTranspLayer.style.display = "none";
	}
}