function highLht(el) {
	topic = document.getElementById('topic-top');
	alis = topic.getElementsByTagName('LI');
	for(var i = 0; i < alis.length; i++)
		alis[i].className = (i == alis.length - 1) ? 'last-child' : '';
	el.className = el.className + ' active';
	dst = document.getElementById('image');
	dstimage = dst.getElementsByTagName('IMG')[0];
	dstlink = dst.getElementsByTagName('A')[0];
	srcimage = el.getElementsByTagName('IMG')[0];
	srclink = el.getElementsByTagName('A')[0];
	dstimage.src = srcimage.src;
	dstimage.alt = srcimage.alt;
	dstlink.href = srclink.href;
}