function ShowHide(id, flagid)
{
				
		var flagctl = null;
		if (flagid != null)
			flagctl = document.getElementById(flagid);
					
		if (document.getElementById(id).style.display == "none")
		{
			document.getElementById(id).style.display = 'block';
			if (flagctl != null)
				flagctl.value = 1;
		} 
		else 
		{
			document.getElementById(id).style.display = 'none';	
			if (flagctl != null)
				flagctl.value = 0;
		}		
		return false;
}