function ShowQuestion_subcat()
{
	result=tree.findAll(function(node){return node.data.isSelected});

	var selected_node_id=result[0].data.attributes.id;
	var selected_node_name=result[0].data.label;

	window.location='/category/'+selected_node_name+'/'+selected_node_id;
	//alert(selected_node_id);
}