function validate(theform, previewpost, switcheditormode) {
	var message = !theform.parseurloff.checked ? parseurl(theform.message.value) : theform.message.value;

	if (theform.title.value == "" || message == "") {
		alert("请完成标题和内容栏。");
		$("postsubmit").disabled = false;
		return false;
	} else if (theform.title.value.length > 60) {
		alert("您的标题超过 60 个字符的限制。");
		theform.title.focus();
		$("postsubmit").disabled = false;
		return false;
	}

	if(!disablepostctrl && ((postminchars != 0 && mb_strlen(message) < postminchars) || (postmaxchars != 0 && mb_strlen(message) > postmaxchars))) {
		alert("您的帖子长度不符合要求。\n\n当前长度: "+mb_strlen(message)+" 字节\n系统限制: "+postminchars+" 到 "+postmaxchars+" 字节");
		return false;
	}

	if (!switcheditormode && !previewpost) {
		$("postsubmit").disabled = true;
	}

	theform.message.value = message;
	return true;
}

function ShowFormatBytesStr(bytes)
{
	if(bytes > 1073741824)
	{
		document.write((Math.round((bytes/1073741824)*100)/100).toString()+' G');
	}
	else if(bytes > 1048576)
	{
		document.write((Math.round((bytes/1048576)*100)/100).toString()+' M');
	}
	else if(bytes > 1024)
	{
		document.write((Math.round((bytes/1024)*100)/100).toString()+' K');
	}
	else
	{
		document.write(bytes.toString()+' Bytes');
	}
}

function ShowStars(n, t) {
	var s = '';
	for(var i=3; i>0; i--) {
		level = parseInt(n / Math.pow(t, i-1));
		n = n % Math.pow(t, i-1);
		for(var j=0; j<level; j++) {
			s += '<img src="templates/' + templatepath + '/images/star_level'+i+'.gif" />';
		}
	}
	document.write(s);
}


function imgzoom(o)
{
	if(event.ctrlKey)
	{
		var zoom = parseInt(o.style.zoom, 10) || 100;
		zoom -= event.wheelDelta / 12;
		if(zoom > 0)
		{
			o.style.zoom = zoom + '%';
		}
		return false;
	}
	else
	{
		return true;
	}
}
 
function printinpostad(index){
	try{
		if (inpostad){
				document.write("<div class=\"line category\"><div style='float: left;'>[广告]&nbsp;</div><div>");
				var tempstr = inpostad[index];
				var ad = tempstr.split("\\r\\n");
				for (var i = 0; i < ad.length; i++)
				{
					document.writeln(ad[i]);
				}
				document.write("</div>");
				document.write("</div>");
			}
		}
	catch(e){
	}
}