function handleMouseOver(src) {
	var imgs = src.getElementsByTagName("img");
	if (imgs && imgs.length == 1) {
	    var oldsrc = imgs[0].src;
	    var newsrc = oldsrc.replace(/_n\./i, '_h.');
	    imgs[0].src = newsrc;
	}
}

function handleMouseOut(src) {
	var imgs = src.getElementsByTagName("img");
	if (imgs && imgs.length == 1) {
	    var oldsrc = imgs[0].src;
	    var newsrc = oldsrc.replace(/_h\./i, '_n.');
	    imgs[0].src = newsrc;
	}
}