function showImage(imgId)
{
	var NumberOfLagreImages = document.largeImage.length;

	for(var counter =0; counter < NumberOfLagreImages; counter++)
	{
		document.largeImage[counter].style.display = 'none';
	}

	if(imgId != '')
	{
		var objImage = document.getElementById(imgId);
	}
	else
	{
		var objImage = document.getElementById('img1');
	}

	objImage.style.display = 'inline';

}