// JavaScript Document
function nTabs(thisObj,Num){
if(thisObj.className == "active")return;
var tabObj = thisObj.parentNode.id;
var tabList = document.getElementById(tabObj).getElementsByTagName("li");
for(i=0; i <tabList.length; i++)
{
  if (i == Num)
  {
   thisObj.className = "active"; 
      document.getElementById(tabObj+"_Content"+i).style.display = "block";
  }else{
   tabList[i].className = "normal"; 
   document.getElementById(tabObj+"_Content"+i).style.display = "none";
  }
} 
}


/*  关键字判断 */
function check()
{
if(document.getElementById("keyword").value=="")
{
	alert("请输入您要查询的关键字");
	document.getElementById("keyword").focus();
	return false;
}
return true;
}