how to create a media player for all browsers

[Bindable(true), Category("Settings"), Description("Would movie play when page is loaded.")]
      public bool AutoStart
      {
            get
            {
                  if(ViewState["AutoStart"] == null)
                        return DefaultAutoStart;
                  else
                        return (bool)ViewState["AutoStart"];
            }
            set
            {
                  if(value != DefaultAutoStart)
                        ViewState["AutoStart"] = value;
                  else
                        ViewState["AutoStart"] = null;
            }
      }
 
      [Bindable(true), Category("Settings"), Description("Balance")]
      int Balance
      {
            get
            {
                  if (ViewState["Balance"] == null)
                        return DefaultBalance;
                  else
                        return (int)ViewState["Balance"];
            }
            set
            {
                  if(value > 100)
                        value = 100;
                  if(value < -100)
                        value = -100;
                  if(value != DefaultBalance)
                        ViewState["Balance"] = value;
                  else
                        ViewState["Balance"] = null;
            }
      }
 
      [Bindable(true), Category("Settings"), Description("Current postion.")]
      int CurrentPosition
      {
            get
            {
                  if(ViewState["CurrentPosition"] == null)
                        return DefaultCurrentPosition;
                  else
                        return (int)ViewState["CurrentPosition"];
            }
            set
            {
                  if(value < 0)
                        value = 0;
                  if(value != DefaultCurrentPosition)
                        ViewState["CurrentPosition"] = value;
                  else
                        ViewState["CurrentPosition"] = null;
            }
      }
 
      [Bindable(true), Category("Settings")]
      bool EnableContextMenu
      {
            get
            {
                  if(ViewState["EnableContextMenu"] == null)
                        return DefaultEnableContextMenu;
                  else
                        return (bool)ViewState["EnableContextMenu"];
            }
            set
            {
                  if(value != DefaultEnableContextMenu)
                        ViewState["EnablecontextMenu"] = value;
                  else
                        ViewState["EnablecontextMenu"] = null;
            }
      }
 
      [Bindable(true), Category("Settings"), Description("Would movie be played in full screen.")]
      bool FullScreen
      {
            get
            {
                  if(ViewState["FullScreen"] == null)
                        return DefaultFullScreen;
                  else
                        return (bool)ViewState["FullScreen"];
            }
            set 
            {
                  if(value != DefaultFullScreen)
                        ViewState["FullScreen"] = value;
                  else
                        ViewState["FullScreen"] = null;
            }
      }
 
      [Bindable(true), Category("Settings"), Description("Play video without sound.")]
      bool Mute
      {
            get
            {
                  if(ViewState["Mute"] == null)
                        return DefaultMute;
                  else
                        return (bool)ViewState["Mute"];
            }
            set
            {
                  if(value != DefaultMute)
                        ViewState["Mute"] = value;
                  else
                        ViewState["Mute"] = null;
            }
      }
 
      [Bindable(true), Category("Settings"), Description("How much times will video play.")]
      int PlayCount
      {
            get
            {
                  if(ViewState["PlayCount"] == null)
                        return DefaultPlayCount;
                  else
                        return (int)ViewState["PlayCount"];
            }
            set
            {
                  if(value < 1)
                        value = 1;
                  if(value != DefaultPlayCount)
                        ViewState["PlayCount"] = value;
                  else
                        ViewState["PlayCount"] = null;
            }
      }
 
      [Bindable(true), Category("Settings")]
      System.Single Rate
      {
            get
            {
                  if(ViewState["Rate"] == null)
                        return DefaultRate;
                  else
                        return (float)ViewState["Rate"];
            }
            set
            {
                  if(value < 0.0)
                        value = (float)1.0;
                  if(value != DefaultRate)
                        ViewState["Rate"] = value;
                  else
                        ViewState["Rate"] = null;
            }
      }
      
      [Bindable(true), Category("Settings")]
      bool StretchToFit
      {
            get
            {
                  if(ViewState["StretchToFit"] == null)
                        return DefaultStretchToFit;
                  else
                        return (bool)ViewState["StretchToFit"];
            }
            set
            {
                  if(value != DefaultStretchToFit)
                        ViewState["StretchToFit"] = value;
                  else
                        ViewState["StretchToFit"] = null;
            }
      }
 
      [Bindable(true), Category("Settings"), Description("Set how player will look like.")]
      Enumerations.PlayerMode uiMode
      {
            get
            {
                  if(ViewState["uiMode"] == null)
                        return DefaultUIMode;
                  else
                        return (Enumerations.PlayerMode)ViewState["uiMode"];
            }
            set
            {
                  if(value != DefaultUIMode)
                        ViewState["uiMode"] = value;
                  else
                        ViewState["uiMode"] = null;
            }
      }
 
      [Bindable(true), Category("Settings"), Description("Set sound volume")]
      int Volume
      {
            get
            {
                  if(ViewState["Volume"] == null)
                        return DefaultVolume;
                  else
                        return (int)ViewState["Volume"];
            }
            set
            {
                  if(value != DefaultVolume)
                        ViewState["Volume"] = value;
                  else
                        ViewState["Volume"] = null;
            }
      }
      #endregion
 
      #region Private functions
      private string getPlayerMode() 
      {
            switch(uiMode)
            {
                  case Enumerations.PlayerMode.Invisible:
                        return "invisible";
                  case Enumerations.PlayerMode.Mini:
                        return "mini";
                  case Enumerations.PlayerMode.None:
                        return "none";
                  default:
                        return "full";
            }
      }
      #endregion
 
      #region Render
      [Description("Render control, depending of property values")]
      protected override void RenderContents(HtmlTextWriter output)
      {
            StringBuilder content = new StringBuilder();
            content.Append("<OBJECT width=\"" + Width.ToString() + "\" height=\"" + Height.ToString() +
                  "\" CLASSID=\"CLSID:6BF52A52-394A-11d3-B153-00C04F79FAA6\" VIEWASTEXT>\n");
            content.Append("<param name="\"autoStart\"" value="\""" autostart="">\n");
            content.Append("<param name="\"URL\"" value="\""" movieurl="">\n");
            content.Append("<param name="\"enabled\"" value="\""" enabled="">\n");
            content.Append("<param name="\"balance\"" value="\""" balance="">\n");
            content.Append("<param name="\"currentPosition\"" value="\""" currentposition="">\n");
            content.Append("<param name="\"enableContextMenu\"" value="\""" enablecontextmenu="">\n");
            content.Append("<param name="\"fullScreen\"" value="\""" fullscreen="">\n");
            content.Append("<param name="\"mute\"" value="\""" mute="">\n");
            content.Append("<param name="\"playCount\"" value="\""" playcount="">");
            content.Append("<param name="\"rate\"" value="\""" rate="">");
            content.Append("<param name="\"stretchToFit\"" value="\""" stretchtofit="">");
            content.Append("<param name="\"uiMode\"" value="\""">");
            if(Volume >= 0)
                  content.Append("<param name="\"volume\"" value="\""" volume="">");
            content.Append("</OBJECT>");
            output.Write(content.ToString());
      }
}
#endregion
 
#region Enumerations
namespace Enumerations
{
      [Description("Player mode can be Invisible, None, Mini and Full")]
      public enum PlayerMode
      {
            Invisible = 0,
            None = 1,
            Mini = 2,
            Full = 3
      }
}
#endregion