function hideLayers( )
{
	if( document.getElementById( 'carpet_form_selector' ) && document.getElementById( 'carpet_form_selector' ).style.display == 'block' )
	{
		document.getElementById( 'carpet_form_selector' ).style.display = 'none';
	} 
}

function showLayer( e, id )
{
	var layer = document.getElementById( id );
	layer.style.display = ( layer.style.display == 'none' ) ? 'block' : 'none';
	cancelBubble( e );
}

function cancelBubble( e )
{
	e = e ? e : window.event;
	e.cancelBubble = true;
	if( e.stopPropagation )
	{
		e.stopPropagation();
	}
}