// ******[ Open GuestBook ]******
function openGuestBook(){
	showOverlay(1);
	moveWindow('index.php?do=guestbook','日新校友会留言板','guestbook', '720', 'auto', 'guestbookTable','');
}

// ******[ Save New GuestBook ]******
function checkForm(){
	var gname = $('gname').value;
	var gemail = $('gemail').value;
	var gurl = $('gurl').value;
	if(gurl=='http://')gurl='';
	var gmessage = $('gmessage').value;
	$('gname').style.border = BP;
	$('gemail').style.border = BP;
	$('gmessage').style.border = BP;

	// if name is empty alert the visitor
	if(trim(gname) == ''){
		alert('请输入您的姓名');
		$('gname').focus();
		$('gname').style.border = BE;
		return false;
	}
	// alert the visitor if email is empty or the format is not correct 
	else if(trim(gemail) != '' && !isEmail(trim(gemail))){
		alert('请输入正确的电子邮件,或者您可以不输入此栏');
		$('gemail').focus();
		$('gemail').style.border = BE;
		return false;
	}
	// alert the visitor if message is empty
	else if(trim(gmessage) == ''){
		alert('请输入您的留言');
		$('gmessage').focus();
		$('gmessage').style.border = BE;
		return false;
	}
	else{
		// when all input are correct, submit to add to db	
		gname = encodeURIComponent(gname);
		gemail = encodeURIComponent(gemail);
		gurl = encodeURIComponent(gurl);
		gmessage = encodeURIComponent(gmessage);
		var url="index.php?do=guestbook&job=create&name="+gname+"&email="+gemail+"&gurl="+gurl+"&message="+gmessage;
		var myAjax = new Ajax.Request(url, { method: 'get', onComplete: function(oR){
			rs=oR.responseText.split('|');
			if(rs[0]==1){
				alert('留言成功加入');
				$('gname').value = '';
				$('gemail').value = '';
				$('gurl').value = '';
				$('gmessage').value = '';
				viewGuestBook();
			}
			else{
				alert(rs[1]);
			}
		} });
		return;
	}
}

// ******[ View GuestBook ]******
function viewGuestBook(){
	var url="index.php?do=guestbook&job=getdata";
	var myAjax = new Ajax.Request(url, { method: 'get', onComplete: function(oR){
		if($('guestbookMore').style.display=='')$('guestbookMore').style.display ='none';
		$('guestbookContent').innerHTML = oR.responseText;
		autoResizeOverlay();
	}});
}

// ******[ View GuestBook Paging]******
function pagingGo(page){
	var url="index.php?do=guestbook&job=getdata&page="+page;
	var myAjax = new Ajax.Request(url, { method: 'get', onComplete: function(oR){
		$('guestbookContent').innerHTML = oR.responseText;
		autoResizeOverlay();
	}});
}

// ******[ View JitSin Web]******
function openJitSinWeb(){
	showOverlay(1);
	width = $('JitSinWeb').style.width;
	var arrayPageSize = getPageSize();
	cleftpos = (eval(arrayPageSize[2])-eval(width)) / 2;
	ctoppos = (eval(arrayPageSize[5])+50) ;
	$('JitSinWeb').style.top = ctoppos+'px';
	//$('JitSinWeb').style.left = cleftpos+'px';
	$('JitSinWeb').style.zIndex=++zdx;
	Effect.Appear('JitSinWeb');
	activeMoveWindowID = 'JitSinWeb';
	autoResizeOverlay();
}