function hideAll( depth )
{
	var divs = document.getElementsByTagName( "DIV" );
	var currDiv;

	for ( var i = 0; i < divs.length; i++ )
	{
		currDiv = divs[ i ];
		if ( typeof( currDiv.attributes[ "depth" ] ) != "undefined" &&
             parseInt( currDiv.attributes[ "depth" ].nodeValue ) >= depth )
		{
			currDiv.style.display = "none";
		}
	}
}

function showHide( catId, url )
{
	var divs = document.getElementsByTagName( "DIV" );
	var currDiv, node1, node2;

	for ( var i = 0; i < divs.length; i++ )
	{
		currDiv = divs[ i ];
		if ( currDiv.id.substr( 0, 3 ) == "cat" )
		{
			if ( currDiv.id == ( "cat" + catId ) )
			{
				node1 = currDiv.childNodes[ 0 ];
				if ( node1.nodeName == "#text" )
				{
					node1 = currDiv.childNodes[ 1 ];
					node2 = node1.childNodes[ 0 ];
					if ( node2.nodeName == "#text" )
					{
						node2 = node1.childNodes[ 1 ];
					}
				}
				else
				{
				    node2 = node1.childNodes[ 0 ];
				}

				if ( node1.childNodes.length == 0 ||
				     typeof( node2 ) == "undefined" ||
					 node2.childNodes.length == 0 )
				{
					//alert( url );
					document.location.href = url;
					return;
				}
				else
				{
					var open = true;
					if ( currDiv.style.display == "block" )
					{
					    open = false;
					}	

					if ( typeof( currDiv.attributes[ "depth" ] ) != "undefined" )
					{
					   hideAll( parseInt( currDiv.attributes[ "depth" ].nodeValue ) );
					}

					if ( open )
					{			        
					   currDiv.style.display = "block";
					}
					//document.location.href = url;
				}
			}
		}
	}
}