basicform2.js

//  JavaScript: Basic Forms, Example 2
//  Function changes image when button is clicked
//
//  Copyright (c) Paul Griffiths, 2007
//  Email: mail@paulgriffiths.net

var n = 0;

function changeImage() {
  if ( n == 0 ) {
    document.images["flag"].src = "/images/program/js/forms/scotflag.png";
    n = 1;
  }
  else if ( n == 1 ) {
    document.images["flag"].src = "/images/program/js/forms/engflag.png";
    n = 2;
  }
  else {
    document.images["flag"].src = "/images/program/js/forms/walesflag.png";
    n = 0;
  }
}