Video showing in the new level

when the video stop playing and the new level loads it show the video in the level and i don't know what happen here my script if anyone like to help me out

var movTexture : MovieTexture;

function Start () { renderer.material.mainTexture = movTexture; movTexture.Play(); }

function Update(){ if(!movTexture.isPlaying){ //movTexture.Stop();

    //Load the level with index 1
    Application.LoadLevelAdditive(1);
    
    //Load the level named "Main Menu 1".
    Application.LoadLeve("Main Menu 1");
   
 }

}