function chkanonymous(o){
	if(o.checked){
		if(typeof(document.frm.loginname)!="undefined"){
			document.frm.loginname.disabled = true;
			document.frm.password.disabled = true;
		}
		document.frm.code.disabled = false;
		document.getElementById("anonymous_code").style.display = '';
	}else{
		if(typeof(document.frm.loginname)!="undefined"){
			document.frm.loginname.disabled = false;
			document.frm.password.disabled = false;
		}
		document.frm.code.disabled = true;
		document.getElementById("anonymous_code").style.display = 'none';
	}
}
var tip = "我来评两句！";
function chkpost(){
	if(document.frm.anonymous.checked){
		if(document.frm.code.value.length!=4){
			alert('请输入图片上的4位验证码。');
			document.frm.code.focus();
			return false;
		}
	}else{
		if(typeof(document.frm.loginname)!="undefined" && document.frm.loginname.disabled==false){
			if(document.frm.loginname.value==''){
				alert('请输入通行证名。');
				//document.frm.loginname.focus();
				return false;
			}
			if(document.frm.password.value==''){
				alert('请输入通行证密码。');
				document.frm.password.focus();
				return false;
			}
		}
	}
	if(document.frm.content.value.length<2){
		alert('内容必须不少于1个字符。');
		document.frm.content.focus();
		return false;
	}else{
		if(document.frm.content.value==tip){
			alert('请先填写评论内容。');
			document.frm.content.focus();
			return false;
		}
	}
	return true;
}

var cookies = new String(document.cookie);
function reply_getCookie(namex)
{
	var cookieHeader = namex + "=";
	var beginPosition = cookies.indexOf(cookieHeader);
	if (beginPosition != -1) 
	{
		var acookie = cookies.substring(beginPosition + cookieHeader.length);
		if (acookie.indexOf(";")>-1)
		{
			acookie = acookie.substring(0, acookie.indexOf(";"));
		}
		return acookie;
	}
	return "";
}
var comment = reply_getCookie("szhkonline");
if(comment!="")
{
	try{
		document.frm.loginname.disabled = true;
		document.frm.password.disabled = true;
		document.getElementById("articleLogin").style.display = 'none';
	}catch(e){}
}
function reply_clearfield(){
	if (document.getElementById("content").innerHTML == tip){
		document.getElementById("content").innerHTML= "";
	}
}