function savemsg()
{
	var username=$("#username").val();
	var email=$("#email").val();
	var title=$("#title").val();
	var content=$("#content").val();
	var kid = $("#kid").val();
	var reemail=/^\w+((-\w+)|(\.\w+))*\@[A-Za-z0-9]+((\.|-)[A-Za-z0-9]+)*\.[A-Za-z0-9]+$/
	lockpost();
	if (username == "") {
	    alert("用户/昵称不能为空！");
		openpost();
	    return false;
	}
	if (email == "") {
	    alert("Email不能为空！");
		openpost();
	    return false;
	}
	else if(!reemail.test(email)){
		alert("Email格式错误！");
		openpost();
	    return false;
	}
	if (title == "") {
	    alert("标题不能为空！");
		openpost();
	    return false;
	}
	if (content == "") {
	    alert("内容不能为空！");
		openpost();
	    return false;
	}
	$.ajax({type:'POST',
		   url:'ajax/savemsg.aspx?action=do',
		   data:'username='+escape(username)+"&email="+escape(email)+"&title="+escape(title)+"&kid="+escape(kid)+"&content="+escape(content),
		   success:function(data)
		   {
			   if(data=="1")
			   {
				   alert("您的留言已经成功提交！");
				   window.location.href="Default.aspx";
			   }
			   else
			   {
				   alert("留言失败，请与管理员联系！");
				   openpost();
			   }
		   },
		   error:function()
		   {
			 alert("提交出错，请与管理员联系！");
			 openpost(); 
		   }
		   })
}
function lockpost()
{
	$("#postbtn").attr( "disabled" , "disabled")
}
function openpost()
{
	$("#postbtn").attr( "disabled" , "")
}