var curId = 0;
var images = new Array();

function showMenu( id )
{
	var menu = document.getElementById( 'category_' + id );
	var curMenu = document.getElementById( 'category_' + curId );
	var catImage = document.getElementById( 'catImage' );
	
	if( curMenu != null )
	{
		curMenu.style.display = 'none';
		document.getElementById( 'item_' + curId ).className = '';
	}
	
	if( menu != null )
	{
		if( curId == id )
		{
			curId = 0;
			catImage.src = defaultImage;
		}
		else
		{
			curId = id;
			menu.style.display = 'block';
			document.getElementById( 'item_' + curId ).className = 'active';
			
			if( images[ curId ] != null && images[ curId ] != "" )
			{
				catImage.src = '/shared/media/category_images/' + curId + '/' + images[ curId ];
			}
			else
			{
				catImage.src = defaultImage;
			}
		}
	}
}