Keep varying shaped images looking sweet in a grid (for junkey)

the.css

.thumb-container {
    width: 266px;
    height: 177px;
    overflow: hidden;
    position: relative;
}
	
.thumb {
    position: absolute;
}

the.html

<div class="thumb-container" >
  <a href="http://junkey.com/abc" title="This is the items title">
    <img src="img/items/painting.jpg" onload="OnImageLoad(event);" class="thumb" alt="This is the items title">
  </a>
</div>

the.js

function ScaleImage(srcwidth, srcheight, targetwidth, targetheight, fLetterBox) {
    var result = { width: 0, height: 0, fScaleToTargetWidth: true };

    if ((srcwidth <= 0) || (srcheight <= 0) || (targetwidth <= 0) || (targetheight <= 0)) {
        return result;
    }

    // scale to the target width
    var scaleX1 = targetwidth;
    var scaleY1 = (srcheight * targetwidth) / srcwidth;

    // scale to the target height
    var scaleX2 = (srcwidth * targetheight) / srcheight;
    var scaleY2 = targetheight;

    // now figure out which one we should use
    var fScaleOnWidth = (scaleX2 > targetwidth);
    if (fScaleOnWidth) {
        fScaleOnWidth = fLetterBox;
    }
    else {
       fScaleOnWidth = !fLetterBox;
    }

    if (fScaleOnWidth) {
        result.width = Math.floor(scaleX1);
        result.height = Math.floor(scaleY1);
        result.fScaleToTargetWidth = true;
    }
    else {
        result.width = Math.floor(scaleX2);
        result.height = Math.floor(scaleY2);
        result.fScaleToTargetWidth = false;
    }
    result.targetleft = Math.floor((targetwidth - result.width) / 2);
    result.targettop = Math.floor((targetheight - result.height) / 2);

    return result;
}
		
		
function OnImageLoad(evt) {
    var img = evt.currentTarget;
	
    // what's the size of this image and it's parent
    var w = $(img).width();
    var h = $(img).height();
    
    var tw = $(img).parent().parent().width();
    var th = $(img).parent().parent().height();

    // compute the new size and offsets
    var result = ScaleImage(w, h, tw, th, false);

    // adjust the image coordinates and size
    img.width = result.width;
    img.height = result.height;
    $(img).css("left", result.targetleft);
    $(img).css("top", result.targettop);
    
}