function showStr(expansiblePartID,expansibleCheck)
{
	var expansiblePart = document.getElementById(expansiblePartID);

	if(expansibleCheck.checked)
	{
	   expansiblePart.style.visibility="visible";
	   expansiblePart.style.display="block";
	}
	else
	{
	  expansiblePart.style.visibility="hidden";
	  expansiblePart.style.display="none";
	}
	return true;
}
    
    
function checkVisibility(expansiblePartID,expansibleCheckID)
{
   	var expansibleCheck = document.getElementById(expansibleCheckID);
    var expansiblePart = document.getElementById(expansiblePartID);
        
	if(expansibleCheck.checked)
	{
	   expansiblePart.style.visibility="visible";
	   expansiblePart.style.display="block";
	}
	else
	{
	  expansiblePart.style.visibility="hidden";
	  expansiblePart.style.display="none";
	}
	return true;
}