// Make sure the page is not in a frame
if(window.self !== window.top) return;

// short function to make code look cleaner
function search(a) {
    'use strict';
    return document.body.textContent.search(a) !== -1;
}

// main script body
function main() {
'use strict';
    var i, boltstrike;
    if (search(/error/i)) {
        if (search('Submit')) {
            if (search('You have entered the correct code')) {
                location.href = "/battle.php?opp=Swimmer%20Richard";
            }
            if (location.pathname === "/battle.php") {
                if (search('.')) {
                    location.href = "/battle.php?opp=Swimmer%20Richard";
                }
                boltstrike = document.evaluate('//input[@type="button" and contains(., "Bolt Strike")]', document, null, 9, null).singleNodeValue;
                if(boltstrike) {
                    boltstrike.click();
                }
            }
        } else {
            alert("Captcha");
        }
    } else {
        location.href = "/battle.php?opp=Swimmer%20Richard";
    }
}

// run main() every 2 seconds
setInterval(main, 2000);