function showhide(id)
{
	var object = document.getElementById(id);

	if (object.style.display == 'none')
	{
		object.style.display = 'block';
	}
	else
	{
		object.style.display = 'none';
	}
}

function enabledisable(senderObject, nameTargetObject, enable)
{
	if (typeof(senderObject) == "object")
	{
		if ( (senderObject.type == "radio") && (senderObject.checked) )
		{
			var bliep = typeof(nameTargetObject);
			if (typeof(nameTargetObject) == 'Array')
			{
				for (idx=0; idx<nameTargetObject.Length(); idx++)
				{
					var targetObject = document.getElementsByName(nameTargetObject[idx])[0];
					targetObject.disabled = !enable;
				}
			}
			else if (typeof(nameTargetObject) == 'string')
			{
				var targetObject = document.getElementsByName(nameTargetObject)[0];
				targetObject.disabled = !enable;
			}
		}
		if (senderObject.type == "checkbox")
		{
			if ( (typeof(nameTargetObject) == 'object') && (nameTargetObject.length) )
			{
				for (idx=0; idx<nameTargetObject.length; idx++)
				{
					var targetObject = document.getElementsByName(nameTargetObject[idx])[0];
					targetObject.disabled = senderObject.checked && !enable;
				}
			}
			else if (typeof(nameTargetObject) == 'string')
			{
				var targetObject = document.getElementsByName(nameTargetObject)[0];
				targetObject.disabled = senderObject.checked && !enable;
			}
		}
	}
}