window.onerror=function(){
   return true;
}
function $(o){
	var o=document.getElementById(o)?document.getElementById(o):'';
	return o;
}
function createXMLHttpRequest(){
  if(window.ActiveXObject){
      xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
  }else if(window.XMLHttpRequest) {
      xmlHttp = new XMLHttpRequest();
  }
} 
function startRequest(requesturl,callfunc){
	createXMLHttpRequest(); 
	xmlHttp.onreadystatechange = callfunc;
    var timestamp = new Date().getTime();
	var i = requesturl.indexOf("?") >= 0 ? "&i=" : "?i=";
	requesturl = requesturl + i + timestamp;
	xmlHttp.open("GET",requesturl,true);
	xmlHttp.send(null); 
}
function getQueryString(vname, queryString){
	if(queryString == null)
		queryString = location.href
    var reg = new RegExp("[\\\?&]" + vname + "=([^&]*)", "i");
    var arr = queryString.match(reg);
    if (arr) return unescape(arr[1]);
    return "";
}
String.prototype.ellipsis = function(len)
{
    var k = 0;
    var ret = "";
    for (var i = 0; i < this.length; i++)
    {
        var u = this.charCodeAt(i);
        k += (u < 128 ? 1 : 2);
        if (k == len) break;
        if (k > len)
        {
            i--;
            break;
        }
    }
    return i == this.length ? this : this.substr(0, i) + "...";
};

String.prototype.UDecode = function()
{
    var ret = this;
    ret = ret.replace(/&#x([A-Fa-f0-9]{4});|&#([\d]{1,5});/gi, function()
    {
        if (arguments[1])
            return String.fromCharCode(parseInt("0x" + arguments[1]));
        return String.fromCharCode(parseInt(arguments[2]));
    });
    return ret;
};

String.prototype.HTMLEncode = function()
{
    var ret = this;
    ret = ret.replace(/&/g, "&amp;");
    ret = ret.replace(/</g, "&lt;");
    ret = ret.replace(/>/g, "&gt;");
    ret = ret.replace(/\"/g, "&quot;");
    return ret;
};

String.prototype.HTMLDecode = function()
{
    var ret = this;
    ret = ret.replace(/&quot;/g, "\"");
    ret = ret.replace(/&gt;/g, ">");
    ret = ret.replace(/&lt;/g, "<");
    ret = ret.replace(/&amp;/g, "&");
    return ret;
};

var mo = window.MOExplorer = 
{
    list : [],
    serial : 0,
    text : "",
    html : "",
    http : null,
    intl : null,
    env : {},
    init : function(ctl)
    {
        var reg = /(\w+)=(\w+)/g;
        var arr;
        while ((arr = reg.exec(ctl)) != null)
        {
            eval("mo.env[\"" + arr[1] + "\"] = " + arr[2]);
            mo.check(arr[1]);
        }
        mo.ua = window.navigator.userAgent;
        mo.isMoz = mo.ua.match(/gecko/i) ? true : false;
        mo.isOpera = mo.ua.match(/opera/i) ? true : false;
        mo.isIE = (!mo.isOpera && mo.ua.match(/msie/i)) ? true : false;
        if (mo.env["address"])
        {
            mo.addr = $("addr");
            mo.addr.style.width = (mo.env["width"] - 40) + "px";
        }
        mo.area = $("area");
        mo.area.style.height = (mo.area.parentNode.offsetHeight - 4) + "px";
        if (!mo.isMoz && !mo.isOpera && !mo.isIE)
        {
            alert("不支持的浏览器");
        }
        var dest = getQueryString("URL");
        dest = dest ? dest : $("addr").value;
        if (dest != "")
        {
            mo.action("request", "get", dest, "");
        }
    },
    check : function(n)
    {
        var obj;
        switch (n)
        {
        case "title":
        case "address":
        case "tool":
        case "status":
            var obj = $(n);
            if (mo.env[n])
            {
                $("_" + n).style.display = "";
                eval("mo." + n + " = obj");
            }
            break;
        case "back":
        case "front":
        case "refresh":
        case "source":
        case "code":
            var obj = $(n);
            if (!mo.env[n])
            {
                obj.style.display = "none";
            }
            break;
        default:
            break;
        }
    },
    setTitle : function(s)
    {
        if (mo.env["title"])
        {
            mo.title.title = s;
            mo.title.innerHTML = s.ellipsis(32);
        }
    },
    write : function(s)
    {
        mo.html = mo.area.innerHTML = s;
    },
    setStatus : function(s)
    {
        if (mo.env["status"])
        {
            mo.status.innerHTML = s;
        }
    },
    setAddr : function(s)
    {
        if (mo.env["address"])
        {
            mo.addr.value = s;
        }
    },
    control : function(state)
    {
        var lst = ["go", "back", "front", "refresh", "source", "code"];
        var obj;
        for (var i = 0; i < lst.length; i++)
        {
            obj = $(lst[i])
            if (obj) obj.disabled = state;
        }
    },
    action : function(cmd, argv, dest, data)
    {
        var arr;
        switch (cmd)
        {
        case "request":
            arr = [argv, dest, mo.getData(data)];
            mo.request(arr[0], arr[1], arr[2], "forward");
            mo.list[mo.serial++] = arr;
            break;
        case "back":
            if (mo.serial - 2 < 0) break;
            arr = mo.list[mo.serial-- - 2];
            mo.request(arr[0], arr[1], arr[2], "backward");
            break;
        case "front":
            if (mo.serial < mo.list.length)
            {
                arr = mo.list[mo.serial++];
                mo.request(arr[0], arr[1], arr[2], "forward");
            }
            break;
        case "refresh":
            if (mo.list.length > 0)
            {
                arr = mo.list[mo.serial - 1];
                mo.request(arr[0], arr[1], arr[2], "forward");
            }
            break;
        case "source":
            mo.debug(mo.text);
            break;
        case "code":
            mo.debug(mo.html);
            break;
		case "homepage":
			mo.request('get','http://sina.cn/', '', "forward");
			break;
        case "key":
            if (argv.keyCode == 13)
            {
                if (argv.srcElement)
                {
                    mo.action("request", "get", argv.srcElement.value, "");
                }
                else if (argv.target)
                {
                    mo.action("request", "get", argv.target.value, "");
                }
            }
            break;
        }
    },
    request : function(strMethod, strURL, strData, strWard)
    {
        if (strURL.match(/^http:\/\//i) == null)
        {
            strURL = "http://" + strURL;
            //alert("不支持的访问地址: \r\n" + strURL);
            //return false;
        }
        if (mo.intl)
        {
            clearInterval(mo.intl);
            mo.intl = null;
        }
        mo.control(true);
        mo.URL = mo.formatURL(strURL.HTMLDecode());
        mo.setAddr(mo.URL);
        mo.host = mo.getHost(mo.URL);
        mo.path = mo.getPath(mo.URL);
        mo.ward = strWard;
        mo.setStatus("正在连接...请等待" + mo.URL.ellipsis(32));
		//alert("load.php?Method=" + strMethod + "&URL=" + encodeURIComponent(mo.URL) + "&Data=" + encodeURIComponent(strData));
        startRequest("load.php?Method=" + strMethod + "&URL=" + encodeURIComponent(mo.URL) + "&Data=" + encodeURIComponent(strData), readyChange);
        function readyChange()
        {
            switch (xmlHttp.readyState)
            {
	            case 1:
	                mo.setStatus("正在转换压缩内容[1%]");
	                break;
	            case 2:
	                mo.setStatus("正在请求发送数据[20%]");
	                break;
	            case 3:
	                mo.setStatus("接收数据下载内容[60%]");
	                break;
	            case 4:
	                mo.setStatus("完成数据接收[100%]");
				     
	                mo.text = xmlHttp.responseText;
	                if (xmlHttp.status == 200) mo.parse(mo.text.UDecode());
	                else mo.debug(mo.text);
	                delete xmlHttp;
	                xmlHttp = null;
	                mo.control(false);
	                break;
            }
        };
    },
    getHost : function(strURL)
    {
        return strURL.match(/http:\/\/([^\/]+)/i)[1];
    },
    getPath : function(strURL)
    {
        var tmp = strURL.match(/http:\/\/[^\/]+([^\?]*)/i)[1];
        var pos = tmp.lastIndexOf("/");
        if (pos != -1)
        {
            tmp = tmp.substring(0, pos + 1);
        }
        if (tmp == "") tmp = "/";
        return tmp;
    },
    getData : function(strData)
    {
        var reg = /%24[\(]{0,1}([\w%]+)[\)]{0,1}/g;
        var arr;
        var ret = "";
        var pos = 0;
        var obj, tmp;
        while ((arr = reg.exec(strData)) != null)
        {
			ret += strData.substring(pos, arr.index);
			pos = arr.index + arr[0].length;
			tmp = arr[1].match(/(.+?)%3A(n|e|u)/i);
			obj = tmp ? $(decodeURIComponent(tmp[1])) : $(decodeURIComponent(arr[1]));
			if (obj) ret += encodeURIComponent(obj.value);
        }
        ret += strData.substring(pos);
        return ret;
    },
    parse : function(strData)
    {
        var reg = /(href|src|onpick|onenterforward|onenterbackward|ontimer)[\s]*=[\s]*[\"\']([^\"\']+)[\"\']/g;
        var arr;
        var ret = "";
        var pos = 0;
        var tmp = "";
        arr = strData.match(/<\!\-\-mo\.target:(.+?)\-\->/);
        if (arr)
        {
            mo.host = mo.getHost(arr[1]);
            mo.path = mo.getPath(arr[1]);
            mo.setAddr(arr[1]);
        }
        while ((arr = reg.exec(strData)) != null)
        {
            ret += strData.substring(pos, arr.index);
            pos = arr.index + arr[0].length;
            ret += arr[1] + "=\"" + mo.formatURL(arr[2]) + "\"";
        }
        ret += strData.substring(pos);
        ret = mo.formatAnchor(ret);
        mo.forward = mo.getEvent(ret, "onenterforward");
        mo.backward = mo.getEvent(ret, "onenterbackward");
        mo.timer = mo.getEvent(ret, "ontimer");
        ret = ret.replace(/href=[\"\']([^\"\']+)[\"\']/g, "href=\"javascript:void(0)\" onclick=\"mo.action('request', 'get', '$1', '')\" title=\"$1\"");
        ret = ret.replace(/<input(.+?)(name)=[\"\']([^\"\']+)[\"\']/g, "<input$1id=\"$3\"");
        ret = ret.replace(/<a\starget=/g, "<a href=");
        arr = ret.match(/<(card)[^>]*>([\s\S]+)<\/\1>/);
		//alert(ret);
		if (arr)
		{
			        
			        mo.write(arr ? arr[2] : "不支持的文档格式");
                    arr = ret.match(/<card.+?title=[\"\']([^\"\']+)[\"\']/);
                    mo.setTitle(arr ? arr[1].HTMLDecode() : "???");
		}else{
		            mo.write(ret);
		}
        if (mo.forward.length == 3 && mo.forward[1] != "" && mo.ward == "forward")
        {
            mo.action("request", mo.forward[0], mo.forward[1], mo.getData(mo.forward[2]));
        }
        else if (mo.backward.length == 3 && mo.backward[1] != "" && mo.ward == "backward")
        {
            mo.action("request", mo.backward[0], mo.backward[1], mo.getData(mo.backward[2]));
        }
        else if (mo.timer.length == 3 && mo.timer[1] != "")
        {
            
            mo.intl = AddInterval(mo.action, mo.getTimer(ret), "request", mo.timer[0], mo.timer[1], mo.getData(mo.timer[2]));
        }
    },
    formatAnchor : function(strData)
    {
        var reg = /<anchor[^>]*>([\s\S]*?)<go([^>]+?)>([\s\S]+?)<\/go>([\s\S]*?)<\/anchor>/g;
        var arr;
        var ret = "";
        var pos = 0;
        while ((arr = reg.exec(strData)) != null)
        {
            ret += strData.substring(pos, arr.index);
            pos = arr.index + arr[0].length;
            var strHref = mo.getAttr(arr[2], "href");
            var strMethod = mo.getAttr(arr[2], "method");
            var strFiled = mo.getField(arr[3]);
            if (strMethod == "") strMethod = "get";
            ret += "<a target=\"javascript:void(0)\" onclick=\"mo.action('request', '" + strMethod + "','" + strHref + "','" + strFiled + "')\" title=\"" + strHref + "\">" + arr[1] + arr[4] + "</a>";
        }
        ret += strData.substring(pos);
        return ret;
    },
    getAttr : function(strData, strName)
    {
        var reg = new RegExp(strName + "=[\\\"\\\']([^\\\"\\\']+?)[\\\"\\\']");
        var arr = strData.match(reg);
        if (arr) return arr[1];
        return "";
    },
    getField : function(strData)
    {
        var reg = /<postfield([^>]+)>/g;
        var arr;
        var ret = [];
        while ((arr = reg.exec(strData)) != null)
        {
            ret.push(mo.getAttr(arr[1], "name") + "=" + encodeURIComponent(mo.getAttr(arr[1], "value").HTMLDecode()));
        }
        return ret.join("&");
    },
    getEvent : function(strData, strName)
    {
        var reg1 = "<onevent\\s+type=[\\\"\\\']" + strName + "[\\\"\\\']>[\\\s\\\S]*?<go([^>]+?)>([\\\s\\\S]*?)<\\\/go>[\\\s\\\S]*?</onevent>";
        var reg2 = "<onevent\\s+type=[\\\"\\\']" + strName + "[\\\"\\\']>[\\\s\\\S]*?<go([^>]+?)>[\\\s\\\S]*?</onevent>";
        var reg3 = "<card.+?" + strName + "=[\\\"\\\']([^\\\"\\\']+)[\\\"\\\'][^>]*>";
        var ret = [];
        if ((arr = strData.match(new RegExp(reg1))) != null)
        {
            ret[0] = mo.getAttr(arr[1], "method");
            ret[1] = mo.getAttr(arr[1], "href");
            ret[2] = mo.getField(arr[2]);
            if (ret[0] == "") ret[0] = "get";
            if (ret[1] != "") ret[1] = mo.formatURL(ret[1]);
        }
        else if ((arr = strData.match(new RegExp(reg2))) != null)
        {
            ret[0] = mo.getAttr(arr[1], "method");
            ret[1] = mo.getAttr(arr[1], "href");
            ret[2] = "";
            if (ret[0] == "") ret[0] = "get";
            if (ret[1] != "") ret[1] = mo.formatURL(ret[1]);
        }
        else if ((arr = strData.match(new RegExp(reg3))) != null)
        {
            ret[0] = "get";
            ret[1] = arr[1];
            ret[2] = "";
            if (ret[1] != "") ret[1] = mo.formatURL(ret[1]);
        }
        return ret;
    },
    formatURL : function(strURL)
    {
        var ret = "";
        if (strURL.substring(0, 7).toLowerCase() == "http://")
        {
            ret = strURL;
        }
        else if (strURL.substring(0, 7).toLowerCase() == "wtai://")
        {
            ret = strURL;
        }
        else if (strURL.substring(0, 1) == "/")
        {
            ret = "http://" + mo.host + strURL;
        }
        else
        {
            var tmp = mo.path;
            var ptr = strURL;
            var arr;
            while ((arr = ptr.match(/^\.\.\/(.+)$/)) != null)
            {
                tmp = tmp.replace(/[^\/]+\/$/, "");
                ptr = arr[1];
            }
            if ((arr = ptr.match(/^\.\/(.+)$/)) != null)
            {
                ptr = arr[1];
            }
            ret = "http://" + mo.host + tmp + ptr;
        }
        ret = ret.replace(/\s/g, "");
        var arr = ret.match(/^(.+)#/);
        if (arr) ret = arr[1];
        return ret;
    },
    getTimer : function(s)
    {
        var ret = s.match(/<timer\s+value=[\"\'](\d+)[\"\'][^>]+>/);
        if (ret) return parseInt(ret[1]) * 100;
        return 3000;
    },
    debug : function(s)
    {
        var op = window.open("", "debug", "width=500,height=400,scrollbars=yes");
        op.document.open();
        op.document.write("<html><head><meta http-equiv=\"Content-Type\" content=\"text/html; charset=gbk\" /><title>Wap Debug</title><style>*{font:16px Courier New}</style><scr" + "ipt>window.onload = function(){window.focus();};</scr" + "ipt></head><body>" + String(s).HTMLEncode() + "</body></html>");
        op.document.close();
    }
};


function AddInterval(func, ms)
{
    var argv = Array.prototype.slice.call(arguments, 2);
    var newFunc = function()
    {
        func.apply(null, argv);
    };
    return window.setInterval(newFunc, ms);
}