function slide(sid,cls){

	if (document.getElementById(sid).offsetHeight > 10) {
		Effect.SlideUp(sid);
	} else {
		$$(cls).each(Element.hide);
		Effect.SlideDown(sid);
	}
}

function checkkeyword() {
	var slen  = document.getElementById('searchbox').textLength;
	if (slen < 3) {
		return false;
	} else {
		return true;
	}
}