function addLoadEvent(func){
    var oldonload = window.onload;
    window.onload = (typeof window.onload != 'function') ? func : function(){
        oldonload();
        func();
    };
}

var newLink = document.createElement('link');
newLink.rel = 'stylesheet';
newLink.type = 'text/css';
newLink.href = 'http://static.amctv.com/texas-sweeps-09/texas-sweeps.css';
var header = document.getElementsByTagName('head')[0];
header.appendChild(newLink);
function changeImage(){
    var mainImage = document.getElementById('sweeps_title');
    var mainImageSrc = mainImage.getElementsByTagName('img');
    mainImageSrc[0].src = 'http://static.amctv.com/texas-sweeps-09/images/Texas-Sweeps-09_07.jpg';
    mainImageSrc[0].style.display = 'block';
    mainImageSrc[1].src = 'http://static.amctv.com/texas-sweeps-09/images/Texas-Sweeps-09_10.jpg';
    for (i = 0; i < mainImageSrc.length; i++) {
        mainImageSrc[i].style.display = 'block';
    }
}

function inputImage(){
    var formContainer = document.getElementById('frmSweep');
    var inputs = formContainer.getElementsByTagName('input');
    for (i = 0; i < inputs.length; i++) {
        if (inputs[i].value == 'Enter Sweepstakes') {
            inputs[i].src = 'http://static.amctv.com/texas-sweeps-09/images/Texas-Sweeps-09_15.jpg';
        }
    }
}

function init(){
    changeImage();
    inputImage();
}

addLoadEvent(init);