// JavaScript Document
//公司新闻与行业动态的交替
function secBoard(elementID,listName,n) {
	 var elem = document.getElementById(elementID);
	 var elemlist = elem.getElementsByTagName("span");
	 for (var i=0; i<elemlist.length; i++) {
		  elemlist[i].className = "normal";
		  var m = i+1;
		  document.getElementById(listName+""+m).className = "newnormal";
	 }
	  elemlist[n-1].className = "current";
	  document.getElementById(listName+""+n).className = "newcurrent";
}