Something

public PlayerManagement()
	{
	}

    public void Load()
    {
        menuTab1.Attributes.Add("Tab", "0");
    }

    protected void showTab1(object sender, EventArgs e)
    {
        LinkButton mybutton = (LinkButton)sender;
        MultiView1.ActiveViewIndex = Int32.Parse(mybutton.Attributes["Tab"]);


        if (menuTab1.CssClass == "header")
        {
            menuTab1.CssClass = "headerUnselected";
        }
        else
        {
            menuTab1.CssClass = "header";
        }
    }