function hideobj(id, show)
{		
	obj = document.getElementById(id);
	
	switch(show)
	{
		case 0:
			obj.style.display = 'none';
		break    
		case 1:
			obj.style.display = 'block';	  
		break
		default:
			if (obj.style.display != 'none')
				obj.style.display = 'none';
			else
				obj.style.display = 'block';			
		break
	}
	
	return obj;

}