I know i been away but here is part three, this version checks your Asp_net role and the roles for a current node. Veri simple but the menu looks very cool

[Serializable()]
public class CssMenu : Panel
{
private SiteMapDataSource xds;
private string[] userRoles;

private bool HasRoles(SiteMapNode item)
{

bool retval = false;
foreach (string item2 in item.Roles)
{
if (item2.ToString().Equals("*"))
retval = true;
foreach (string item1 in userRoles)
{
if (item1.Equals(item2.ToString()))
retval = true;
}
}
return retval;
}

public SiteMapDataSource DataSource
{
get
{
return xds;
}

set
{
xds = value;
}
}
///
///
///
public string CssId
{
get
{
if (ViewState["CssId"] == null)
ViewState["CssId"] = "";
return (string)ViewState["CssId"];
}
set
{
ViewState["CssId"] = value;
}
}
///
///
///
public bool StartAtRoot
{
get
{
if (ViewState["StartAtRoot"] == null)
return false;
return (bool)ViewState["StartAtRoot"];
}
set
{
ViewState["StartAtRoot"] = value;
}
}
///
///
///
public string CssCurrentClass
{
get
{
if (ViewState["CssCurrentClass"] == null)
ViewState["CssCurrentClass"] = "";

return (string)ViewState["CssCurrentClass"];
}
set
{
ViewState["CssCurrentClass"] = value;
}
}
///
///
///
public int ChildLevels
{
get
{
if (ViewState["ChildLevels"] == null)
ViewState["ChildLevels"] = 1;

return (int)ViewState["ChildLevels"];
}
set
{
ViewState["ChildLevels"] = value;
}
}
///
///
///
private void LoaChildsNodes(SiteMapNodeCollection smnc, ref Panel obj)
{
Literal lit = new Literal();
lit.Text = " ";
      obj.Controls.Add(lit);
      foreach (SiteMapNode item in smnc)
      {
      //if (this.HasRoles(item.Roles))
      // {
      lit = new Literal();
      lit.Text = "* ";
      obj.Controls.Add(lit);
      HyperLink lnk = new HyperLink();
      lnk.Text = item.Title;
      lnk.NavigateUrl = item.Url;
      if (Page.Request.RawUrl.ToLower().Contains(item.Url.ToLower()) && (CssCurrentClass.Length > 0))
      lnk.CssClass = CssCurrentClass;
      else
      lnk.CssClass = "";
      obj.Controls.Add(lnk);
      lit = new Literal();
      lit.Text = "  ";
      obj.Controls.Add(lit);
      // }

      }
      lit = new Literal();
      lit.Text = "";
obj.Controls.Add(lit);
}
protected override void OnDataBinding(EventArgs e)
{
base.Controls.Clear();
base.OnDataBinding(e);
SiteMapNodeCollection smnc;
userRoles = Roles.GetRolesForUser();
xds = this.DataSource;
if (StartAtRoot)
smnc = xds.Provider.GetChildNodes(xds.Provider.RootNode);
else
smnc = xds.Provider.GetChildNodes(xds.Provider.CurrentNode);

Literal lit = new Literal();
lit.Text = "";
      base.Controls.Add(lit);

      foreach (SiteMapNode item in smnc)
      {
      if (HasRoles(item))
      {
      lit = new Literal();
      lit.Text = " * ";
      base.Controls.Add(lit);
      HyperLink lnk = new HyperLink();
      lnk.Text = item.Title;
      lnk.NavigateUrl = item.Url;
      if (Page.Request.RawUrl.ToLower().Contains(item.Url.ToLower()) && (CssCurrentClass.Length > 0))
      {
      lnk.CssClass = CssCurrentClass;
      }
      else
      {
      lnk.CssClass = "";
      }
      base.Controls.Add(lnk);
      SiteMapNodeCollection smc2 = xds.Provider.GetChildNodes(item);
      if ((this.ChildLevels > 1) && (smc2.Count > 0))
      {

      Panel pn = new Panel();
      lit = new Literal();
      lit.Text = "";
      pn.Controls.Add(lit);
      this.LoaChildsNodes(xds.Provider.GetChildNodes(item), ref pn);
      lit = new Literal();
      lit.Text = "";
      pn.Controls.Add(lit);
      base.Controls.Add(pn);
      }
      lit = new Literal();
      lit.Text = "";
      base.Controls.Add(lit);
      }
      }
      lit = new Literal();
      lit.Text = "";
base.Controls.Add(lit);

}

}