function doanonymous(){
	if(document.getElementById("anonymous").checked){
		document.getElementById("askname").disabled = true;
		document.getElementById("asktel").disabled = true;
		document.getElementById("askaddress").disabled = true;
	}
	else{
		document.getElementById("askname").disabled = false;
		document.getElementById("asktel").disabled = false;
		document.getElementById("askaddress").disabled = false;
	}
}
function CheckCookie(){
	var search = "ValidateCode=";
	var returnvalue = "";
	if (document.cookie.length > 0) {
		offset = document.cookie.indexOf(search)
		if (offset != -1) { 
			offset += search.length
			end = document.cookie.indexOf(";", offset);
			if (end == -1) end = document.cookie.length;
			returnvalue=unescape(document.cookie.substring(offset, end))
		}
	}
	returnvalue = returnvalue.toLowerCase();
	return returnvalue;
}
function dofeedback(){
	if(!document.getElementById("askname").disabled && document.getElementById("askname").value==""){
		alert("请填写您的姓名");
		document.getElementById("askname").focus();
		return;
	}
	if(document.getElementById("asktitle").value==""){
		alert("请填写留言标题");
		document.getElementById("asktitle").focus();
		return;
	}
	if(document.getElementById("askcontent").value==""){
		alert("请填写留言内容");
		document.getElementById("askcontent").focus();
		return;
	}
	if(document.getElementById("validecode").value==""){
		alert("请填写验证码");
		document.getElementById("validecode").focus();
		return;
	}
	else if(CheckCookie()==""){
			alert("验证码已过期，请刷新页面重新获取");
		document.getElementById("validecode").value="";
		document.getElementById("validecode").focus();
		return;
		}
	else if(document.getElementById("validecode").value.toLowerCase()!=CheckCookie()){
		alert("验证码填写错误，请重新填写");
		document.getElementById("validecode").value="";
		document.getElementById("validecode").focus();
		return;
		}
	
	document.getElementById("asksubmit").disabled = true;
	document.getElementById("asksubmit").value = "正在发送留言...";
	title = document.getElementById("asktitle").value;
	message = document.getElementById("askcontent").value;
	name = document.getElementById("askname").value;
	tel = document.getElementById("asktel").value;
	address = document.getElementById("askaddress").value;
	if(document.getElementById("askname").disabled){
		name = "匿名";
		tel = "";
		address = "";
	}
	CNFEOL_UserSite.CommonClass.AjaxFunction.SendFeedBack(title,message,name,tel,address,SendFeedBack_CallBack);
	document.getElementById("asksubmit").value = "已成功发送留言";
}

function SendFeedBack_CallBack(response){
	if (response.error != null){
		//alert("Error:"+response.error);
		return;
	}
	var info = response.value;
	if (info == null || typeof(info) != "string"){
		return; 
	}
	alert(info);
}