function refreshPlayButton( strMasterid )
{
	refreshPlayButton( strMasterid, getPlayButton( strMasterid ) );
}

function refreshPlayButton( strMasterid, strButton )
{
	strButton = getPlayButton(strMasterid);

   var buttonId = "btnPlay" + strMasterid;
   var buttonElement = document.getElementById( buttonId );

   if( strButton == Exent1.Web.Beta.Defines.PlayButtonStatus.Download )
   {
      buttonElement.className = g_downloadButton_class;
   }
   else if( strButton == Exent1.Web.Beta.Defines.PlayButtonStatus.Play )
   {
      buttonElement.className = g_playButton_class;
   }
   else if( strButton == Exent1.Web.Beta.Defines.PlayButtonStatus.Downloading )
   {
      buttonElement.className = g_downloadingButton_class;
   }
   else if( strButton == Exent1.Web.Beta.Defines.PlayButtonStatus.Running )
   {
      buttonElement.className = g_runningButton_class;
   }
   else if( strButton == Exent1.Web.Beta.Defines.PlayButtonStatus.InDownloadQueue )
   {
      buttonElement.className = g_inqueueButton_class;
   }
}