var resize_size = 300;
function resizeImages() {
	var rclass = 'resize';
	var imgs = $$('img.resize');
	var img;
	for(var i=0; i<imgs.length; i++){
		img = imgs[i];
		if (img.width > resize_size)
			img.width = resize_size;
		Element.show(img);
	}
}