// JScript 文件sendComment
//===============================ctrl+enter
function isKeyTrigger(e,keyCode){
    var argv = isKeyTrigger.arguments;
    var argc = isKeyTrigger.arguments.length;
    var bCtrl = false;
    if(argc > 2){
        bCtrl = argv[2];
    }
    var bAlt = false;
    if(argc > 3){
        bAlt = argv[3];
    }

    var nav4 = window.Event ? true : false;

    if(typeof e == 'undefined') {
        e = event;
    }

    if( bCtrl && 
        !((typeof e.ctrlKey != 'undefined') ? 
            e.ctrlKey : e.modifiers & Event.CONTROL_MASK > 0)){
        return false;
    }
    if( bAlt && 
        !((typeof e.altKey != 'undefined') ? 
            e.altKey : e.modifiers & Event.ALT_MASK > 0)){
        return false;
    }
    var whichCode = 0;
    if (nav4) whichCode = e.which;
    else if (e.type == "keypress" || e.type == "keydown")
        whichCode = e.keyCode;
    else whichCode = e.button;

    return (whichCode == keyCode);
}

function ctrlEnter(e,cid,sid){
    var ie =navigator.appName=="Microsoft Internet Explorer"?true:false; 
    if(ie){
        if(event.ctrlKey && window.event.keyCode==13){sendComment(cid,sid);}
    }else{
        if(isKeyTrigger(e,13,true)){sendComment(cid,sid);}
    }
}
function doSomething(id,type){sendComment(cid,sid); }

//发表评论
function sendComment(cid,sid){
	var commentcont = $("commentcont").value;
	var username = "";
    var password = "";
	var sortstr = "";
	//change category to string
	switch (sid)
	{
		case 0: sorts = "video"; break;
		case 1: sorts = "cartoon"; break;
		case 2: sorts = "audio"; break;
		case 3: sorts = "story"; break;
		case 4: sorts = "song"; break;
		case 5: sorts = "game"; break;
		case 19: sorts = "news"; break;
		case 20: sorts = "tblog"; break;
		case 21: sorts = "mnews"; break;
		case 22: sorts = "k_video"; break;
	}
	if ($("hiduser").value != "")
	{
		if (commentcont == "" || commentcont.length > 200)
		{
		$("commentsay").innerHTML = "<img src='/images/error.gif' align='absmiddle' alt=''/> <font class='red'>请输入200个字内的评论。</font>";
		return true;
	    }
	}
	else
	{
		username = $("username").value;
        password = $("password").value;
        //username and password
        if (username == "" || password == "")
        {
        $("commentsay").innerHTML = "<img src='/images/error.gif' align='absmiddle' alt=''/> <font class='red'>请输入用户名或密码。</font>";
		return true;
        }
        //comment
        if (commentcont == "" || commentcont.length > 200)
		{
	    $("commentsay").innerHTML = "<img src='/images/error.gif' align='absmiddle' alt=''/> <font class='red'>请输入200个字内的评论。</font>";
		return true;
		}
	}
	createXmlHttp();
	var formData = "un="+username+"&pw="+password+"&ct="+commentcont+"&id="+cid+"&st="+sid;
	$("commentsay").innerHTML = "<img src='/images/loading.gif' align='absmiddle' alt=''/> <font class='yellow'>评论发表中...</font>";
	xmlHttp.onreadystatechange = function(){
	if(xmlHttp.readyState == 4 && xmlHttp.status == 200){
		//产品留言
		if (xmlHttp.responseText == "okey")
		{
			$("commentsay").innerHTML = "[ Ctrl+Enter 提交 ]";
			$("commentcont").value = "";
			$("hideLogintr").style.display = "none";
			setLogout();
			getComment(cid,sorts,1);
			alert("评论发表成功");
			
		}
		//用户名或密码错误
		if (xmlHttp.responseText == "pwdwrong")
		{
			$("commentsay").innerHTML = "<img src='/images/error.gif' align='absmiddle' alt=''/> <font class='red'>用户名或密码不正确。</font>";
		}
		//留言失败
		if (xmlHttp.responseText == "failed")
		{
			$("commentsay").innerHTML = "<img src='/images/error.gif' align='absmiddle' alt=''/> <font class='red'>提交失败。</font>";
		}
		//活动留言
		if (xmlHttp.responseText == "eventOkey")
		{
			$("commentsay").style.display = "none";
			alert("活动留言提交成功！");
			location.reload();//当前页被刷新
		}
	}
    }
    xmlHttp.open("post", "addcomment.php", true);
    xmlHttp.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
	xmlHttp.setRequestHeader("If-Modified-Since","0");
    xmlHttp.send(formData);
	}
	
//获取评论
function getComment(cid,sorts,page){
    createXmlHttp();
	$("comments").innerHTML =  "<img src='/images/loading.gif' align='absmiddle' alt=''/> 评论加载中..";
    xmlHttp.onreadystatechange = function(){
    if(xmlHttp.readyState == 4 && xmlHttp.status == 200){
        $("comments").innerHTML = xmlHttp.responseText;
    }
    }
    xmlHttp.open("get", "/comment.php?id="+cid+"&st="+sorts+"&pg="+page, true);
    xmlHttp.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
	xmlHttp.setRequestHeader("If-Modified-Since","0");
    xmlHttp.send(null);
	}