function MM_nbGroup(event, grpName) { //v6.0
  var i,img,nbArr,args=MM_nbGroup.arguments;
  if (event == "init" && args.length > 2) {
    if ((img = MM_findObj(args[2])) != null && !img.MM_init) {
      img.MM_init = true; img.MM_up = args[3]; img.MM_dn = img.src;
      if ((nbArr = document[grpName]) == null) nbArr = document[grpName] = new Array();
      nbArr[nbArr.length] = img;
      for (i=4; i < args.length-1; i+=2) if ((img = MM_findObj(args[i])) != null) {
        if (!img.MM_up) img.MM_up = img.src;
        img.src = img.MM_dn = args[i+1];
        nbArr[nbArr.length] = img;
    } }
  } else if (event == "over") {
    document.MM_nbOver = nbArr = new Array();
    for (i=1; i < args.length-1; i+=3) if ((img = MM_findObj(args[i])) != null) {
      if (!img.MM_up) img.MM_up = img.src;
      img.src = (img.MM_dn && args[i+2]) ? args[i+2] : ((args[i+1])? args[i+1] : img.MM_up);
      nbArr[nbArr.length] = img;
    }
  } else if (event == "out" ) {
    for (i=0; i < document.MM_nbOver.length; i++) {
      img = document.MM_nbOver[i]; img.src = (img.MM_dn) ? img.MM_dn : img.MM_up; }
  } else if (event == "down") {
    nbArr = document[grpName];
    if (nbArr)
      for (i=0; i < nbArr.length; i++) { img=nbArr[i]; img.src = img.MM_up; img.MM_dn = 0; }
    document[grpName] = nbArr = new Array();
    for (i=2; i < args.length-1; i+=2) if ((img = MM_findObj(args[i])) != null) {
      if (!img.MM_up) img.MM_up = img.src;
      img.src = img.MM_dn = (args[i+1])? args[i+1] : img.MM_up;
      nbArr[nbArr.length] = img;
  } }
}

function sbar(st){st.style.backgroundColor='#F5F5F5';}
function cbar(st){st.style.backgroundColor='';}
function winconfirm(){
	question = confirm("你確定要刪除嗎?\r若是刪除此記錄,其所含所有資料,都會被刪除,\n且無法還原??")
	if (question != "0"){
		//window.open("http://tw.yahoo.com")
		return true
	}
	return false
}
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}
function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}
function MM_swapImgRestore() {
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) {
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
function chkinput_s(){ 
	dml = document.form_s;                  
	var ErrString = "" ;  
    if (dml.gb_search1.value.length == 0){ErrString = ErrString + "※請輸入關鍵字.\n" }                
	if (ErrString != "") {                   
		alert(ErrString);                   
		return false;                   
		}                   
	return true;                   
	}

function chkinput(){ 
	dml = document.topic;                  
	var ErrString = "" ;  
	if (dml.name.value.length < 3){ErrString = ErrString + "※『姓名』不能空白或小於3個字元.\n" }  
    if (dml.content.value.length ==0 ){ErrString = ErrString + "※『內容』不能空白.\n" }        
    if (dml.vcode.value.length ==0 ){ErrString = ErrString + "※『驗證碼』不能空白.\n" }
    //if (dml.content.value.length > 200){ErrString = ErrString + "※『內容』不能大於200個字元.\n" } 
    if (dml.title.value.length==0){ErrString = ErrString + "※『主題』不能空白.\n"}                   
    if (dml.title.value.length > 40){ErrString = ErrString + "※『主題』不能大於40個字元.\n"}                   
   if (dml.email.value != ""){
    if (dml.email.value.indexOf("@") == -1){ErrString = ErrString + "※  請輸入包括＠的『email』位址.\n" }  	                
     }         
	if (ErrString != "") {                   
		alert(ErrString);                   
		return false;                   
		}                   
	return true;                   
	}                   	               	  
function chk_input(){
	error_string="";
	if (form99.user_email.value=="")error_string=error_string+"．請輸入帳號!\n";
	if (form99.user_pw.value=="")error_string=error_string+"．請輸入密碼!";
	if (error_string==""){
document.form99.submit();
//document.location.reload();	
	}else{
		alert(error_string);
		return false;
	}
}

function chk_logout(){
document.formout.submit();
}

function show_tag(id){
	for(i=1;i<=3;i++){
		if(id==i){
        document.getElementById("ourse_tag_" + id +"a").style.display = "none";
        document.getElementById("ourse_tag_" + id +"b").style.display = "";
        document.getElementById("courseTag" + id).style.display = "";
}else{
        document.getElementById("ourse_tag_" + i +"a").style.display = "";
        document.getElementById("ourse_tag_" + i +"b").style.display = "none";
        document.getElementById("courseTag" + i).style.display = "none";
			}
	}
}

function showDiv(id){
	if(document.getElementById("course_detailed_data" + id).style.display == "block"){
        document.getElementById("course_detailed_data" + id).style.display = "none";
	}else{
		document.getElementById("course_detailed_data" + id).style.display = "block";
	}
}