function CheckCommentForm() {
	var sErrInfo = "";
	var sTitle = document.getElementById("Title").value;
	var sDetail = document.getElementById("Detail").value;
	var sVerifyCode = document.getElementById("VerifyCode").value;
	var sSafeCode = document.getElementById("SafeCode").value;
	if(sTitle=="") {
		sErrInfo = sErrInfo + "请输入标题！\n";
		document.getElementById("Title").focus();
	}
	if(sTitle.length>50) {
		sErrInfo = sErrInfo + "标题不能超过50个字符！\n";
		document.getElementById("Title").focus();
	}
	if(sDetail=="") {
		sErrInfo = sErrInfo + "内容不能为空！\n";
		document.getElementById("Detail").focus();
	}
	if(sVerifyCode=="") {
		sErrInfo = sErrInfo + "请输入验证码！\n";
		document.getElementById("VerifyCode").focus();
	}
	else {
		if(sVerifyCode!=sSafeCode) {
			sErrInfo = sErrInfo + "验证码输入有误,请重新输入！\n";
			document.getElementById("VerifyCode").value="";
			document.getElementById("VerifyCode").focus();
		}
	}
	if(sErrInfo!="") {
		alert(sErrInfo);
		document.getElementById("SafeCode").value = GetConfirmationCode();
		return false;
	}
	else {
		return true;
	}
}