function showNewsTab(obj,spanId,hideNewsItem,showNewsItem,more)
{
	spanId.className = "STYLE18";
	obj.className = "STYLE19";
	hideNewsItem.style.display = "none";
	showNewsItem.style.display = "block";
	url = more.href;
	url = url.substring(0,url.lastIndexOf('=')+1);
	if (showNewsItem.id == "guojidongtaiItem")
	{
		url += "科技动态-国际动态";
	}
	else
	{
		url += "科技动态-国内动态";
	}	
	url = encodeURI(url);	
	more.href = url;
}