function scaleMe(theImg, maxW, maxH) {
    var orgW = theImg.width;
    var orgH = theImg.height;
    var ratio = (maxW/maxH);
    if(orgW*ratio>orgH*ratio){
      theImg.width = orgW*ratio
    } else {
      theImg.height = orgH*ratio;
    }
    theImg.style.display='';
}