var sitepath=""
//-------常用的JS
//判断浏览器类型
var qgExploer = navigator.appName;
var qgIE;
if(qgExploer == "Microsoft Internet Explorer")
{
	qgIE = "IE";
	if(navigator.appVersion.match(/7./i)!='7.')
	{
		qgIE = "IE6";
	}
}
else
{
	qgIE = "FF";
	document.write("<style type='text/css'>body{overflow-y:scroll;}</style>");
}

var qgbody = (document.documentElement) ? document.documentElement : document.body

String.prototype.Trim = function () {
	return this.replace(/(^\s*)|(\s*$)/g, "");
};
//设为首页
function sethome(obj,url)
{
	try
	{
		obj.style.behavior='url(#default#homepage)';
		obj.sethomepage(url);
	}
	catch(e)
	{
		if(window.netscape)
		{
			try
			{
				netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
			}
			catch(e)
			{
				alert("感谢您光临本站\n\n　　无法正确设为主页上，请您手动进行设置！\n\n　　给您带来不便还请见谅...");
				return false;
			}
			var prefs = Components.classes['@mozilla.org/preferences-service;1'].getService(Components.interfaces.nsIPrefBranch);
			prefs.setCharPref('browser.startup.homepage',url);
		}
	}
	return false;
}

//加入收藏
function setfav(url,sitename)
{
	try
	{
		window.external.AddFavorite(url,sitename)
	}
	catch (e)
	{
		try
        {
            window.sidebar.addPanel(sitename,url,"");
        }
        catch (e)
        {
            alert("感谢您光临本站\n\n\t您好，您的操作: 加入收藏 失败，请您使用Ctrl+D进行添加");
			return false;
        }
	}
	return true;
}

//document.getElementById的简写
function $(id)
{
	return document.getElementById(id);
}

//网页跳转
function tourl(url)
{
	window.location.href=url;
}

//设定多长时间运行某个动作脚本
function timeset(time,act)
{
	time = parseInt(time);
	if(time < 1)
	{
		return false;
	}
	else
	{
		if(time < 10)
		{
			time = time*1000;
		}
		window.setTimeout(act,time);
	}
}

//邮箱检测
function checkemail(email)
{
	if(email.search(/^\w+((-\w+)|(\.\w+))*\@\w+((-\w+)|(\.\w+))*\.\w+$/) != -1)
	{
		return true;
	}
	else
	{
		return false;
	}
}

/*调用flash代码*/
function flash(file,width,height,div_id)
{
	//----------插入flash代码
	var fcode = "";
	fcode += '<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" ';
	fcode += 'codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,40,0" ';
	fcode += 'width="'+width+'" height="'+height+'">';
	fcode += '<param name="movie" value="'+file+'" type="application/x-shockwave-flash">';
	fcode += '<param name="wmode" value="transparent"><param name="quality" value="high">';
	fcode += '<embed src="'+file+'" wmode="transparent" quality="high" ';
	fcode += 'pluginspage="http://www.macromedia.com/go/getflashplayer" ';
	fcode += 'type="application/x-shockwave-flash" width="'+width+'" height="'+height+'">';
	fcode += '</embed></object>';
	if(div_id)
	{
		$(div_id).innerHTML = fcode;
	}
	else
	{
		document.write(fcode);
	}
}

/*创建ajax对象*/
var xmlHttp=null;
function add_ajax()
{
		if (window.ActiveXObject) {
		xmlHttp = new ActiveXObject("Microsoft.xmlHttp");
	} else {
		if (window.xmlHttpRequest) {
			xmlHttp = new xmlHttpRequest();
		}
	}
}
/*根据url来处理ajax的信息*/
function get_ajax(url,callback)
{
	add_ajax();
	var randname = "rand"+Math.floor(Math.random()*10000);
	var randnum = Math.floor(Math.random()*10000);
	if(url.indexOf("?") != -1)
	{
		url += "&"+randname+"="+randnum;
	}
	else
	{
		url += "?"+randname+"="+randnum;
	}
	xmlHttp.onreadystatechange = callback;
	xmlHttp.open("GET",url,true);
	xmlHttp.send();
}
function windowOnload(fn) {
window.setTimeout(fn,300);
}
function checkAddThread(form)
{
	var title = form.title;
	if(title.value.Trim().length==0)
	{
			alert("标题不能为空!");
			return false;
	}
	var name = form.name;
	var qq = form.qq;
	var email = form.email;

	var content = form.content;
	if(name.value=="")
	{
		alert("昵称不能为空!");
		return false;
	}
	if(qq.value!="")
	{
	var reqq = /[0-9]+$/;
		if(!reqq.exec(qq.value))
		{alert("qq格式错误");
		return false;
		}
	}
	if(email.value!="")
	{
		if(!checkemail(email.value))
		{alert("email格式错误");
		return false;
		}
	}
	if(qq.value==""&&email.value=="")
	{
		alert("请留下qq或Email以便我们联系您!");
		return false;
	}
	if(content.value.Trim().length>200)
	{
		alert("求片信息过长!");
		return false;
	}
}
function checkThreadAddComment(form)
{
	var nickname = form.nickname;
	var content = form.content;
	if(nickname.value.Trim().length==0)
	{
		alert("昵称不能为空!");
		return false;
	}
	
	if(nickname.value.Trim().length>8)
	{
		alert("昵称大于8个字符");
		return false;
	}
		if(content.value.Trim().length==0)
	{
		alert("回复内容不能为空!");
		return false;
	}
	if(content.value.Trim().length>500)
	{
		alert("回复内容过长!");
		return false;
	}
}

function textCounter(sElement,maxlimit) { 
	field = sElement;
	if (field.value.length > maxlimit){
		field.value = field.value.substring(0, maxlimit); 		
	} else{
		document.getElementById("remLen").value = maxlimit - field.value.length;
	}
	if (field.value.length == maxlimit){
		showerr("请将字符限制在500个以内");
	}
}