<script language=javascript>
function picsize(obj,MaxWidth){

  img=new Image();
  img.src=obj.src;
  if (img.width>MaxWidth)
  {
    return MaxWidth;
  }
  else
  {
    return img.width;
  }
}

function bbimg(o){
 var zoom=parseInt(o.style.zoom, 10)||100;zoom+=event.wheelDelta/12;if (zoom>0) o.style.zoom=zoom+'%';
 return false;
}