//function AllCharCheck(inlist)
//function LoginCharCheck(inlist)
//function AllNumCheck(list)
//function isEmail(email)
//function MM_showHideLayers()
//function MM_openBrWindow(theURL,winName,features)
//function MM_preloadImages()
//function MM_swapImgRestore()
//function MM_findObj(n, d)
//MM_swapImage()
//ValidateLogin(form,inlang)
//LogoutForm()
//ReturnMonthDay(inyear,inmonth)

function AllCharCheck(inlist)
{
	var flg=0;
	var cmp="abcdefghijklmnopqrstuvwxyz0123456789_.QWERTYUIOPLKJHGFDSAZXCVBNM";
	for (var k=0; k<inlist.length; k++){
		var tst=inlist.substring(k,k+1);
		if (cmp.indexOf(tst) < 0){
			flg++;
		}
 	}
	if (flg!=0) return(false);
	else return(true);
}

function LoginCharCheck(inlist)
{
	var flg=0;
	var cmp="abcdefghijklmnopqrstuvwxyz0123456789_";
	for (var k=0; k<inlist.length; k++){
		var tst=inlist.substring(k,k+1);
		if (cmp.indexOf(tst) < 0){
			flg++;
		}
 	}
	if (flg!=0) return(false);
	else return(true);
}

function AllNumCheck(list)
{
	flg=0;
	for (var i=0;i<list.length;i++){
		cmp="0123456789."
		tst=list.substring(i,i+1)
		if (cmp.indexOf(tst)<0)
		{flg++;
		break;
		}
 	}
	if (flg!=0)
	return(false);
	else
	return(true);
}

function isEmail(email) {
	var at_sym = email.indexOf("@");
	var dot_sym = email.lastIndexOf(".");
	var err = false;

	if (at_sym == -1 || dot_sym == -1){
		// Check for existence of the '@' & '.' symbol
		err = true;
	}
	else if (at_sym == 0){
		// If the '@' is the first character
		err = true;
	}
	else if (dot_sym == email.length-1){
		// if the '.' is the last character
		err = true;
	}
	else if (dot_sym - at_sym <= 1){
		// if '@' & '.' are adjacent to each other
		err = true;
	}

	if (err) {
		return false;
	}
	else {
		return true;
	}
}
function MM_showHideLayers() { //v3.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v='hide')?'hidden':v; }
    obj.visibility=v; }
}


function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

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_swapImgRestore() { //v3.0
  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) { //v3.0
  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); 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 ValidateLogin(form,inlang){
	if (inlang=="big5"){
		if (form.login.value=="")
		{alert("叫块祅嘿",40); form.login.focus(); return;}
	
		if (form.pword.value=="")
		{alert("叫块祅盞絏",40); form.pword.focus(); return;}
	}else{
		if (form.login.value=="")
		{alert("请输入你的登入名称",40); form.login.focus(); return;}
	
		if (form.pword.value=="")
		{alert("请输入你的登入密码",40); form.pword.focus(); return;}
	}
	var maina1 = new Ajax.PeriodicalUpdater('loginlayer','/s/register/login2.htm',
	{
		method: 'post',		
		parameters: {l: form.login.value, p: form.pword.value, a: 'login'},
		frequency: 86400,
		decay: 1
	});
//	form.submit();
}

function LogoutForm(){
	var maina1 = new Ajax.PeriodicalUpdater('loginlayer','/s/register/login2.htm',
	{
		method: 'post',		
		parameters: {a: 'logout'},
		frequency: 86400,
		decay: 1
	});
}

function ReturnMonthDay(inyear,inmonth){
	var leapyear, monthend
	
	if (inmonth==1 || inmonth==3 || inmonth==5 || inmonth==7 || inmonth==8 || inmonth==10 || inmonth==12)
		monthend=31;
	else if (inmonth==2){
		if (inyear%4>0)
			monthend = 28;
		else if (inyear%400==0)
			monthend = 29;
		else if (inyear%100==0)
			monthend = 28;
		else
			monthend = 29;		
	}else
		monthend = 30;
	return (monthend);
}

function CheckValidDate(iny,inm,ind){
	var rflag = true;
	if ((inm==2 || inm==4 || inm==6 || inm==9 || inm==11) && ind==31){
		rflag = false;
	}
	if(inm==2){
		if (ReturnMonthDay(iny,inm)==28 && ind >= 29){
			rflag = false;
		}
		
	}
	return rflag;
}

function LoginBar(a,baropen){	
	var c1 = new Ajax.PeriodicalUpdater('loginlayer','/main/login.htm',
	{
		method: 'post',
		parameters: {a: a,b:baropen},
		frequency: 9999,
		decay: 1
	});
}

function MainLoginBar(inact){
	window.scrollTo(0,0);
	var c5 = new Ajax.PeriodicalUpdater('loginlayer','/main/action.htm',
	{
		method: 'post',		
		parameters: {a:inact},
		frequency: 9999,
		decay: 1
	});
}

function ConfirmDeleteBookmark(inlang,inid){
	var flag;
	if (inlang=="big5"){
		flag = confirm("琌琌絋﹚璶埃乓?");
	}else{
		flag = confirm("你是是否确定要删除此书签?");
	}
	if (flag==true){
		
		document.bForm.id.value = inid;
		document.bForm.submit();
	}else return;
}


function GradingMember(inact,inid){
	var c9 = new Ajax.PeriodicalUpdater('gradinglayer','/main/grading.htm',
	{
		method: 'post',		
		parameters: {a:inact,i:inid},
		frequency: 9999,
		decay: 1
	});
}