Eirik GUI Texture Buttons

using UnityEngine;
using System.Collections;

public class EirikGUI : MonoBehaviour {
    public float offset;
    public GUISkin skin;

    public Texture mainTex;
    public Texture downTex;
    public bool pushed;

    private Rect rect = new Rect(0,0,50,100);

    // Use this for initialization
    void Update () {
        //offset = 300 + (Mathf.Sin(Time.time * 3) * 30);
        rect = new Rect(5 + offset,0, 50, 100);
    }

    // Update is called once per frame
    void OnGUI () {
        GUI.skin = skin;

        GUILayout.BeginArea(rect);
        GUILayout.Label("LOL");
        if(GUILayout.Button("", (GUIStyle)"MyImgButton", GUILayout.Width(50), GUILayout.Height(50))) {
            Debug.Log("POOSHED");
        }

        GUILayout.EndArea();

        GUI.DrawTexture(rect, pushed ? downTex : mainTex);

        if(rect.Contains(Input.mousePosition)) {
            if(Input.GetMouseButtonDown(0)) {
                pushed = true;
            } else if(Input.GetMouseButtonUp() && pressed) {
                //do stuff
                pushed = false;
            }
        } else if(Input.GetMouseButtonUp(0)){
            pushed = false;
        }
    }
}