function ToggleVisibility(tableId, imgId) 
{
	var checkBoxList = document.getElementById(tableId);
	var img = document.getElementById(imgId);

	if (checkBoxList.style.display == 'none') 
	{
		checkBoxList.style.display = 'block';
		img.src = '/layouts/Modules/disAbonnementServiceNG/Images/minus.gif';
		img.alt = 'Skjul valgmuligheder';
	}
	else 
	{
		checkBoxList.style.display = 'none';
		img.src = '/layouts/Modules/disAbonnementServiceNG/Images/plus.gif';
		img.alt = 'Vis valgmuligheder';
	}
}