GUI Button is not responding click event

Questions & Answers
1

I have background image and displaying button on the image. When i click the button it should goes to next scene
But i can’t able to click the button and happening. Do i need to enable the image should clikable with button.

	 GUI.DrawTexture(new Rect(0,0,Screen.width,Screen.height), texture);
		
		if (GUI.Button(new Rect(80, 900, 500, 360), btnTexture)){
        Debug.Log("Clicked the button with an image");
		 Application.LoadLevel("25Nov1");	
		}
2

Sorry…It’s loading but taking too much time to switch to scene? What should i do?