function ChangeSearch(id){
   if(id=="ziliao"){
      document.getElementById("searchType").value="ziliao";
      document.getElementById("ziliao").className="cl";
      document.getElementById("zixun").className="un";
      document.getElementById("luntan").className="un";
   }
   if(id=="zixun"){
      document.getElementById("searchType").value="zixun";
      document.getElementById("zixun").className="cl";
      document.getElementById("ziliao").className="un";
      document.getElementById("luntan").className="un";
   }
   if(id=="luntan"){
      document.getElementById("searchType").value="luntan";
      document.getElementById("luntan").className="cl";
      document.getElementById("ziliao").className="un";
      document.getElementById("zixun").className="un";
   }
}



function checkSearch(){
  if(document.getElementById("keyword").value == "" || document.getElementById("keyword").value == "请输入搜索关键字"){
	 document.getElementById("keyword").style.color="#cccccc";
     alert("请输入关键字再搜索!");
     document.getElementById("keyword").value="";document.getElementById("keyword").focus();
	 document.getElementById("keyword").style.color="#000000";
     return false;
  }else{
    var searchType = document.getElementById("searchType").value;
    var keyword = document.getElementById("keyword").value;
	
	var url="";
    if(searchType=="ziliao"){keyword=encodeURIComponent(keyword);
	/*输入资料的关键字*/
      url="http://www.zxksw.com/search.aspx?searchtype=1&ModelId=2&nodeId=1975&fieldOption=title&Keyword="+keyword+"";
    }
	/*输入资料的关键字*/
    if(searchType=="zixun"){
      url="http://www.zxksw.com/search.aspx?searchtype=1&ModelId=1&nodeId=618&fieldOption=title&Keyword="+keyword+"";
    }
	/*输入论坛的关键字*/
    if(searchType=="luntan"){
      url="http://www.zxksw.com/Blog/search.aspx?searchtype=1&Keyword="+keyword+"";
    }
	window.open(url);
  }
}