var yumi_origialContent = ''
function showCatDesc(sc, tg) {
	
	var source = document.getElementById(sc);
	var target = document.getElementById(tg);
	
	yumi_origialContent = target.innerHTML;

	target.innerHTML = source.innerHTML;
}

function hideCatDesc(tg, keepOriginalContent) {
	var target = document.getElementById(tg);
	if (keepOriginalContent) {
		target.innerHTML = yumi_origialContent;
	} else {
		target.innerHTML = '';
	}
}