using System; using System.Collections; using System.ComponentModel; using System.Drawing; using System.Text; using System.Web; using System.Web.UI; using System.Web.UI.WebControls; using System.Web.UI.HtmlControls; namespace Birdshome.Web.WebControls {      ///   <summary>

     ///  Summary description for ClientNavigation.

     ///   </summary>     [DefaultProperty("Text")]     [ToolboxData("<{0}:ClientNavigation runat=server></{0}:ClientNavigation>")]      public  class ClientNavigation : WebControl, INamingContainer, IPostBackDataHandler     {          public ClientNavigation() :  base() {}          Properties          protected  override  void Render(HtmlTextWriter writer)         {              this.RegisterClientScript();             writer.AddAttribute(HtmlTextWriterAttribute.Type, "hidden");             writer.AddAttribute(HtmlTextWriterAttribute.Id,  this.ClientID);             writer.AddAttribute(HtmlTextWriterAttribute.Name,  this.ClientID);             writer.AddAttribute(HtmlTextWriterAttribute.Value,                  string.Format("{0}:{1}",  this.PositionTop, this.PositionLeft));             writer.RenderBeginTag(HtmlTextWriterTag.Input);             writer.RenderEndTag();         }          Client Script          IPostBackDataHandler interface     } }