function init_message(num)
{
	var time=new Date();
	var timestamp=time.valueOf();
	var x=new XHR("re_init_message");
	var url="http://"+document.domain+"/comment.php?method=show&project_id="+project_id+"&page_size="+num+"&time="+timestamp;
	x.get(url);
}

function re_init_message(str)
{
	if(str=="wait")
	{
		alert("休息休息再发表评论:)");
		document.getElementById('postSub').disabled='';
	}
	else if(str!=null)
	{
		document.getElementById("div_comment").innerHTML=str;
	}
	return false;
}

function sendMessag(obj,num)
{
	if(obj.message.value=="")
	{
		alert("你说些什么呢？");
		obj.message.focus();
		return false;
	}
	var texts=obj.message.value;
	var author=obj.author.value;
	var string=new String(texts);
	if(string.length>300)
	{
		alert("不要太长哦,最多150个汉字");
		return false;
	}
	document.getElementById('postSub').disabled=true;
	var message=obj.message.value;
	var time=new Date();
	var timestamp=time.valueOf();
	var x=new XHR("re_init_message");
	var url ="http://"+document.domain+"/comment.php";
	x.post(url,"method=save&author="+author+"&message="+message+"&project_id="+project_id+"&page_size="+num+"&time="+timestamp);
	return false;
}
 
function getinfo(query,pageno)
{
	if(!isNumber(pageno)||isNumber(pageno)&&eval(pageno)<1)
	{
		alert("页码异常！！");
		pageno=1;
	}
	var x=new XHR("re_init_message");
    var url="http://"+document.domain+query+"="+eval(pageno-1);
	x.get(url);
}

function isNumber(str)
{
	str=""+str;
	for(var i=0;str!=null&&i<str.length;i++)
	{
		if(str.charAt(i)>='0'&&str.charAt(i)<='9')
		{
			continue;
		}
		else
		{
			return false;
		}
	}
	return true;
}