function display(id)
{
	var hidden = document.getElementById(id);
	if(hidden.style.display == 'none')
	{
		hidden.style.display = 'inline';
	}
}

function hide(id)
{
	var hidden = document.getElementById(id);
	if(hidden.style.display != 'none')
	{
		hidden.style.display = 'none';
	}
}

function enable(id)
{
	var disabledObject = document.getElementById(id);
	disabledObject.disabled = false;
}

function disable(id)
{
	var enabledObject = document.getElementById(id);
	enabledObject.disabled = true;
}