自动等比例缩放网页中的图片
resizeimg.js
window.onload = function() {
for (var index = 0; index < document.images.length; index++) {
var widthRestriction = 400;
var heightRestriction = 400;
var rate = document.images[index].width / document.images[index].height;
if (document.images[index].width > widthRestriction) {
document.images[index].width = widthRestriction;
[...]
