function strim(str){
  lIdx=0;
  rIdx=str.length;
  if(strim.arguments.length==2){
    act=strim.arguments[1].toLowerCase();
    alert(act);
  }
  else{
    act="all";
  }
  for(var i=0;i<str.length;i++){
    thelStr=str.substring(lIdx,lIdx+1);
    therStr=str.substring(rIdx,rIdx-1);
    if ((act=="all" || act=="left")&&thelStr==" "){
      lIdx++;
    }
    if ((act=="all" || act=="right")&&therStr==" "){
      rIdx--;
    }
  }
  str=str.slice(lIdx,rIdx);
  return(str);
}




  function inerr(f,n){
    if(f.value=="" || f.value==null){
      alert(n);
      f.focus();
      return true;
    }
    else
      return false;
  }
  
  
  function StrLen(sString)
{
 var sStr,iCount,i,strTemp ;
 iCount = 0 ;
 sStr = sString.split("");
 for (i = 0 ; i < sStr.length ; i ++)
  {
      strTemp = escape(sStr[i]); 
   if (strTemp.indexOf("%u",0) == -1) //  表示是汉字
   { 
   iCount = iCount + 1 ;
   } 
   else 
   {
   iCount = iCount + 2 ;
   }
 }
return iCount ;
}


function contain(str,charset)// 字符串包含测试函数
{
var i;
for(i=0;i<charset.length;i++)
if(str.indexOf(charset.charAt(i))>=0)
return true;
return false;
}




function CheckAll(form)
  {
  
  for (var i=0;i<form.elements.length;i++)
    {
    var e = form.elements[i];
    if (e.name != 'selectall')
       e.checked = form.selectall.checked;
       
    }
    
  }


function showContact(){
window.open ('contact.asp','','scrollbars=yes,resizable=no,menubar=no,width=520,height=600,top=50,left=200');
}

function showMainnewsList(){
window.open ('main_news_list.asp','','scrollbars=yes,resizable=no,menubar=no,width=520,height=600,top=50,left=200');
}

function showMainnews(nID,page){
var nID=nID;
var page=page;
window.open ('main_news_view.asp?page='+page+'&nID='+nID+'','','scrollbars=yes,resizable=no,menubar=no,width=520,height=600,top=50,left=200');
}



function showMainfaqList(){
window.open ('main_faq_list.asp','','scrollbars=yes,resizable=no,menubar=no,width=520,height=600,top=50,left=200');
}

function showMainfaq(nID,page){
var nID=nID;
var page=page;
window.open ('main_faq_view.asp?page='+page+'&nID='+nID+'','','scrollbars=yes,resizable=no,menubar=no,width=520,height=600,top=50,left=200');
}

function showMainstudyList(){
window.open ('main_study_list.asp','','scrollbars=yes,resizable=no,menubar=no,width=520,height=600,top=50,left=200');
}

function showMainstudy(nID,page){
var nID=nID;
var page=page;
window.open ('main_study_view.asp?page='+page+'&nID='+nID+'','','scrollbars=yes,resizable=no,menubar=no,width=520,height=617,top=50,left=200');
}

function showMainstudy2List(){
window.open ('main_study2_list.asp','','scrollbars=yes,resizable=no,menubar=no,width=520,height=600,top=50,left=200');
}

function showMainstudy2(nID,page){
var nID=nID;
var page=page;
window.open ('main_study2_view.asp?page='+page+'&nID='+nID+'','','scrollbars=yes,resizable=no,menubar=no,width=520,height=617,top=50,left=200');
}

function student_showMainMessageList(){
window.open ('s_message_list.asp','','scrollbars=yes,resizable=no,menubar=no,width=520,height=600,top=50,left=200');
}

function student_showMainMessage(nID,page){
var nID=nID;
var page=page;
window.open ('s_message_view.asp?page='+page+'&nID='+nID+'','','scrollbars=yes,resizable=no,menubar=no,width=520,height=600,top=50,left=200');
}



function teacher_showMainMessageList(){
window.open ('t_message_list.asp','','scrollbars=yes,resizable=no,menubar=no,width=520,height=600,top=50,left=200');
}

function teacher_showMainMessage(nID,page){
var nID=nID;
var page=page;
window.open ('t_message_view.asp?page='+page+'&nID='+nID+'','','scrollbars=yes,resizable=no,menubar=no,width=520,height=600,top=50,left=200');
}



function student_showMainfaqList(){
window.open ('../main_faq_list.asp','','scrollbars=yes,resizable=no,menubar=no,width=520,height=600,top=50,left=200');
}

function student_showMainfaq(nID,page){
var nID=nID;
var page=page;
window.open ('../main_faq_view.asp?page='+page+'&nID='+nID+'','','scrollbars=yes,resizable=no,menubar=no,width=520,height=600,top=50,left=200');
}


function showStudentFeedbackList(){
window.open ('feedback_list.asp','','scrollbars=yes,resizable=no,menubar=no,width=520,height=600,top=50,left=200');
}

function showStudentFeedback(nID,page){
var nID=nID;
var page=page;
window.open ('feedback_view.asp?page='+page+'&nID='+nID+'','','scrollbars=yes,resizable=no,menubar=no,width=520,height=600,top=50,left=200');
}


function student_showQuestionInfo(qID){
var qID=qID;
window.open ('s_question_view.asp?qID='+qID+'','','scrollbars=yes,resizable=no,menubar=no,width=520,height=330,top=50,left=250');
}



function sub_school_showMessageInfo(nID){
var nID=nID;
window.open ('sub_school_Msg_view.asp?nID='+nID+'','','scrollbars=yes,resizable=no,menubar=no,width=520,height=330,top=50,left=250');
}



function teacher_showQuestionInfo(qID){
var qID=qID;
window.open ('t_question_view.asp?qID='+qID+'','','scrollbars=yes,resizable=no,menubar=no,width=520,height=330,top=50,left=250');
}

function showTeacherErrorInfo(fID){
var fID=fID;
window.open ('t_error_info.asp?fID='+fID+'','','scrollbars=yes,resizable=no,menubar=no,width=520,height=600,top=50,left=250');
}

function showTeacherInfo(tID){
var tID=tID;
window.open ('teacher/t_info.asp?tID='+tID+'','','scrollbars=yes,resizable=no,status=no,menubar=no,width=520,height=600,top=50,left=250');}


function s_classEvaluate(scID){
var scID=scID;
window.open ('s_class_Evaluate.asp?scID='+scID+'','','scrollbars=yes,resizable=no,menubar=no,width=520,height=430,top=150,left=250');
}

function t_classEvaluate(scID){
var scID=scID;
window.open ('t_class_Evaluate.asp?scID='+scID+'','','scrollbars=yes,resizable=no,menubar=no,width=520,height=430,top=150,left=250');
}

function teacher_showStudentPingjia(sID){
var sID=sID;
window.open ('t_student_pingjia.asp?sID='+sID+'','','scrollbars=yes,resizable=no,menubar=no,width=520,height=600,top=50,left=250');
}



function viewDemo(bookID,courseID,selID){
var bookID=bookID;
var courseID=courseID;
var selID=selID;
window.open('E-learning/book_'+bookID+'/class_'+courseID+'/index.asp?selID='+selID+'','','scrollbars=no,resizable=no,menubar=no,width=1004,height=728,top=0,left=0');
}



function viewCourse(bookID,selID){
var bookID=bookID;
var selID=selID;
window.open ('viewCourse.asp?bookID='+bookID+'&selID='+selID+'','','scrollbars=yes,resizable=no,menubar=no,width=424,height=555,top=100,left=250');
}


function openHardware(){
window.open ('system_requirements.asp','','scrollbars=no,resizable=no,menubar=no,width=445,height=455,top=150,left=250');
}


function openService(){
window.open ('/dialog_1.htm','','scrollbars=yes,resizable=no,menubar=no,width=700,height=473,top=50,left=150');
return false;
}

function openService_j(){
window.open ('/dialog_2.htm','','scrollbars=yes,resizable=no,menubar=no,width=700,height=473,top=50,left=150');
return false;
}

function openService_c(){
window.open ('/dialog_2.htm','','scrollbars=yes,resizable=no,menubar=no,width=700,height=473,top=50,left=150');
return false;
}

function openService_b(){
window.open ('/dialog_2.htm','','scrollbars=yes,resizable=no,menubar=no,width=700,height=473,top=50,left=150');
return false;
}