var isPaused : boolean = false;
var texture1 : Texture;
var texture2 : Texture;

function update()
{
   if(Input.GetKey(KeyCode.escape) && !isPaused)
   {
      print("Paused");
      Time.timeScale = 0.0;
      Paused = true;

   }
   else if(Input.GetKey(KeyCode.Escape)&& isPaused)
   {
      Time.timeScale = 1.0;
      isPaused = false;
      print("Resume");
   }
}

function onGUI()
{
    var text : String="";
    var tooltip : String="";
    var buttonWidth  = texture1.width;
    var buttonHeight = texture1.height;


    var x1 = ( Screen.width - buttonWidth ) / 2.0f;
    var y1 = ( Screen.height - buttonHeight ) / 2.0f;
    var x2=x1;
    var y2 = y1 + buttonHeight + 10;
     if(isPaused){