js:
var bbsconImg = new Array();

function resizeImg(obj) {
bbsconImg.push(obj);
obj.o_width = obj.width;
var maxWidth = document.body.clientWidth - 40;
if (obj.width > maxWidth) obj.width = maxWidth;
}
function adjustImg() {
var maxWidth = document.body.clientWidth - 40;
for (var i in bbsconImg) {
var obj = bbsconImg[i];
var o_width = obj.o_width;
obj.width = (o_width > maxWidth) ? maxWidth : o_width;
}
}
window.onresize = adjustImg;