function send_msg()
{	
	var obj = document.getElementById("form_msg");
	var msg_title = document.getElementById("msg_title");
	function getCookie(cookie_name)
	{
		var allcookies = document.cookie;
		var cookie_pos = allcookies.indexOf(cookie_name);
		if (cookie_pos != -1)
		{
			cookie_pos += cookie_name.length + 1;
			var cookie_end = allcookies.indexOf(";", cookie_pos);
		if (cookie_end == -1)
		{
			cookie_end = allcookies.length;
		}
		var value = unescape(allcookies.substring(cookie_pos, cookie_end));
		}
		return value;
	}
	if ((typeof(getCookie("vip_star_uid")) == "undefined") || (getCookie("vip_star_uid") == "cheat"))
	{
		alert("登录后才能留言!");
		top.location.href="/main/templates/login.htm";
		return false;
	}
	if (obj.content.value == "")
	{
		msg_title.innerHTML = "留言内容不能为空!";
		//alert("留言内容不能为空!");
		obj.content.focus();
		return false;
	}

	if (obj.nickname.value == "")
	{
		msg_title.innerHTML = "昵称不能为空!";
		alert("昵称不能为空!");
		obj.nickname.focus();
		return false;
	}

	if (obj.authnum.value == "")
	{
		msg_title.innerHTML = "验证码不能为空";
		//alert("验证码不能为空");
		obj.authnum.focus();
		return false;
	}

	obj.target="iframe1";
	obj.action="/main/modules/save_msg.php"
	obj.method="post";
	obj.send_button.disabled=true;
	obj.submit();
	

}

function count_str_len(obj)
{
	if (obj.value.length > 200)
	{
		obj.value = obj.value.substring(0,200);
	}
	else
	{
		document.getElementById("str_len").innerHTML = "<font color=red>" + (obj.value.length) + "</font>";
	}
}