var scrollSeqn = 0;
function scrollTransStu() {
	var obj = document.getElementById('transSud');
	if (obj.scrollHeight > obj.clientHeight) {
		scrollSeqn ++;
		obj.scrollTop = Math.min(obj.scrollTop + 3, obj.scrollHeight - obj.clientHeight);
		if (obj.scrollTop == obj.scrollHeight - obj.clientHeight)
			obj.scrollTop = 0;
		if (scrollSeqn % 7 == 0)
			window.setTimeout(scrollTransStu, 5000);
		else
			window.setTimeout(scrollTransStu, 100);
		
	}
}

function showHideLayerSub(obj, bl) {
	if (obj[1] != null) {
		var imgObj = document.getElementById(obj[1]);
		if (imgObj != null)
			imgObj.src = 'http://image.haniedu.com/newwww/img/new09/' + obj[0] +((bl) ? '': '_on')+'.gif';
	}
	if (obj[2] != null) {
		var layerObj = document.getElementById(obj[2]);
		if (layerObj != null)
			layerObj.style.display = (bl) ? 'block': 'none';
	}
	if (obj[3] != null) {
		var layerObj = document.getElementById(obj[3]);
		if (layerObj != null)
			layerObj.style.display = (bl) ? 'block': 'none';
	}
}

function showHideLayerMain(obj1, obj2, obj3, obj4, obj5, obj6) {
	if (obj1 != null)
		showHideLayerSub(obj1, true);
	if (obj2 != null)
		showHideLayerSub(obj2, false);
	if (obj3 != null)
		showHideLayerSub(obj3, false);
	if (obj4 != null)
		showHideLayerSub(obj4, false);
	if (obj5 != null)
		showHideLayerSub(obj5, false);
	if (obj6 != null)
		showHideLayerSub(obj6, false);
}