function show(id) 
{
		if (document.getElementById) 
		{
			document.getElementById(id).style.display="block";
		} 
		else if (document.all) 
		{
			document.all[id].style.display="block";
		} 
		else if (document.layers) 
		{
			document.layers[id].display="block";
		}
}
		
function hide(id) 
{
		if (document.getElementById) 
		{
			document.getElementById(id).style.display="none";
		} 
		else if (document.all) 
		{
			document.all[id].style.display="none";
		} 
		else if (document.layers) 
		{
			document.layers[id].display="none";
		}
}