document.getElementById('bigimg').style.maxHeight = maxHeight + "px";
document.getElementById('bigimg').style.maxWidth = maxWidth + "px";
document.getElementById('bigimg').onload = function () {
document.getElementById('bigimg').style.maxHeight = maxHeight + "px";
document.getElementById('bigimg').style.maxWidth = maxWidth + "px";
document.getElementById('bigimg').onload = function () {