var old_onload = window .onload ;
window .onload = function() 
		 {  
		 	old_onload() ;

			var video = '' ;
			var hidden_selected_video = document .getElementById( 'hidden_selected_video' ) ;
			if ( hidden_selected_video != null )
			{
				video = hidden_selected_video .value ;
			}

    			flashembed( 'movie_control', 
      				    {
      				       src: 	base_url + '/flash/FlowPlayerDark.swf',
      				      		width: 500, 
      				      		height: 300
      				    },
      				    {
				    	config:
					{   
						videoFile: video
      				    	}
				    } 
   				  ) ;
		 }