var currentNodes = [];
function handleLinkClick(linkId)
{
	var levelIndex = linkId.split("_").length;
	nodeId = "node_" + linkId.split("_").slice(1).join("_");
	//console.log("hoo " + linkId + " - " + nodeId);

	for(var i = levelIndex; i < currentNodes.length; i++)
	{
		if(currentNodes[i] != null)
			currentNodes[i].css("display", "none");
	}

	currentNodes[levelIndex] = $("#" + nodeId);
	currentNodes[levelIndex].css("display", "block");

	if(levelIndex == 3)
	{
		currentNodes[levelIndex].css( "padding-left", ($("#" + linkId).position().left) * 1.0 + 6 );
	}
}