var ie4=document.all&&!document.getElementById;
var DOM2=document.getElementById;

function get_span ( span_id )
{
    span = null;
	if (DOM2)
		span = document.getElementById ( span_id );   
	else if (ie4)
    	document.all.span_id;
	return ( span );	
}

function show_span ( span_id )
{
	span = get_span ( span_id );
	if ( span )		span.style.display="block";
}

function hide_span ( span_id )
{
	span = get_span ( span_id );
	if ( span )		span.style.display="none";
}

function set_span_text ( span_id, text )
{
	span = get_span ( span_id );
	if ( span )		span.innerHTML = text;
}

function amg_smarty ( span_id )
{
	hide_span ( span_id );
}