//初始化当前栏目菜单
function initNav(navId)
{
    document.getElementById(navId).className="current";
}

window.onload=function()
{
    var url = self.location.href.toLowerCase();
    if (url.indexOf("/default")>-1 || url.indexOf(".aspx")==-1) initNav("nav_main");
    if (url.indexOf("/info")>-1) initNav("nav_info");
    if (url.indexOf("/course")>-1) initNav("nav_course");
    if (url.indexOf("/xlfd")>-1) initNav("nav_xlfd");
    if (url.indexOf("/resource")>-1) initNav("nav_resource");
    if (url.indexOf("/bbs")>-1) initNav("nav_bbs");
    initSearch();
}


var searchType=document.getElementById("SearchType");
var searchKeyword=document.getElementById("SearchKeyword");
function setInit()
{
   var searchTypeValue = searchType.options[searchType.selectedIndex].value;
   switch(searchTypeValue)
   {
     case "1":if(searchKeyword.value= "请输入家教知识关键字") ;searchKeyword.value=""; break;
     case "2":if(searchKeyword.value= "请输入课程名称关键字") ;searchKeyword.value=""; break;
     case "3":if(searchKeyword.value= "请输入咨询室名称关键字") ;searchKeyword.value=""; break;
     case "4":if(searchKeyword.value= "请输入资源名称关键字") ;searchKeyword.value=""; break;
     case "5":if(searchKeyword.value= "请输入贴子主题关键字") ;searchKeyword.value=""; break;
   }
}

function setSearchKeyword()
{
   var searchTypeValue = searchType.options[searchType.selectedIndex].value;
   switch(searchTypeValue)
   {
     case "1":searchKeyword.value= "请输入家教知识关键字";break;
     case "2":searchKeyword.value= "请输入课程名称关键字";break;
     case "3":searchKeyword.value= "请输入咨询室名称关键字";break;
     case "4":searchKeyword.value= "请输入资源名称关键字";break;
     case "5":searchKeyword.value= "请输入贴子主题关键字";break;
   }
}

//搜索
function doSearch()
{

    var searchTypeValue=searchType.options[searchType.selectedIndex].value;
    var searchKeywordValue=encodeURI(searchKeyword.value);
    var url="";
    switch(searchTypeValue)
    {
        case "1":url="InfoList.aspx?keyword=" + searchKeywordValue;break;
        case "2":url="CourseList.aspx?keyword=" + searchKeywordValue;break;
        case "3":url="XlfdList.aspx?keyword=" + searchKeywordValue;break;
        case "4":url="ResourceList.aspx?keyword=" + searchKeywordValue;break;
        case "5":url="http://www.net-school.net/bbs/bbssea.asp.aspx?sea=" + searchKeywordValue;break;
    }
    top.location=url;
}

function initSearch()
{
  var url=location.href.replace("http://" + location.host,"").toLowerCase();
  if (url.indexOf("/bbs")>-1)
      searchType.selectedIndex = 4;
  else if(url.indexOf("/resource")>-1) 
      searchType.selectedIndex = 3;  
  else if(url.indexOf("/xlfd")>-1) 
      searchType.selectedIndex = 2;  
  else if(url.indexOf("/course")>-1) 
      searchType.selectedIndex = 1;  
  else
      searchType.selectedIndex = 0; 
  setSearchKeyword();  
}