// --------------------------------------------------------------------
// Author  : mashimonator
// Create  : 2009/01/08
// Update  : 2009/01/14
// Description : ブラウザ判定をして、対応していればお気に入りに登録する
// --------------------------------------------------------------------

function bookmark(){

    var userSystem = new browserInfo.get(navigator.userAgent);
    var name = document.title;
    var url = window.location.href;

    var browser = userSystem.browserShortName;
    var version = parseFloat(userSystem.browserVersion);

    if ( browser == "ie" && version >= 4 ) {
        // IE4 以上
        window.external.AddFavorite(url,name);
    } else if ( browser == "ff" ) {
        // Firefox
        window.sidebar.addPanel(name,url,'');
    } else {
        // その他
        alert('ブラウザへのお気に入り追加は、Chrome/Opera/Safari等には対応しておりません。ご自身のブラウザからお気に入りへ追加下さい。');
        return;
    }

}

var browserInfo = {

    get : function() {

        var key, index, keyIndex, keyIndexEnd, versionKey, i, j;
        var uaString = navigator.userAgent.toUpperCase();

        this.browserLongName = "---";
        this.browserShortName = "---";
        this.browserVersion = "---";

        var BROWSERS = new Object();
        BROWSERS['MZ'] = new setBrowser('Mozilla','mz','GECKO');
        BROWSERS['IE'] = new setBrowser('Internet Explorer','ie','MSIE');
        BROWSERS['AO'] = new setBrowser('AOL','ao','AOL');
        BROWSERS['SF'] = new setBrowser('Safari','sf','SAFARI');
        BROWSERS['OP'] = new setBrowser('Opera','op','OPERA');
        BROWSERS['OW'] = new setBrowser('OmniWeb','ow','OMNIWEB');
        BROWSERS['IC'] = new setBrowser('iCab','ic','ICAB');
        BROWSERS['NS'] = new setBrowser('Netscape','ns','NETSCAPE,NETSCAPE6');
        BROWSERS['NN'] = new setBrowser('Netscape Navigator','nn','MOZILLA');
        BROWSERS['FF'] = new setBrowser('Firefox','ff','FIREFOX');


        var UNIXDETAIL = new Array("LNX","BSD");
        var checkVersionExp01 = new Array(' ', '/', '-', '');
        var checkVersionExp02 = new Array(';', ' ', '(', '[', ')', '+', '-', '/');

        uaString = " " + uaString + ";";
        

        index = 0;
        for (key in BROWSERS) {
            for (i=0; i<BROWSERS[key].keyword.length; i++) {
                keyIndex = uaString.indexOf(BROWSERS[key].keyword[i].toUpperCase());
                if (keyIndex > index) {
                    this.browserLongName = BROWSERS[key].longName;
                    this.browserShortName = BROWSERS[key].shortName;
                    versionKey = BROWSERS[key].keyword[i].toUpperCase();
                    index = keyIndex;
                }
            }
        }

        // Navigator is reary?
        if (this.browserShortName == "nn" && uaString.indexOf("COMPATIBLE")>0) {
            this.browserLongName = "---";
            this.browserShortName = "---";
        }

        // Version Check
        if (this.browserLongName != "---") {
            for (i=0; i<checkVersionExp01.length; i++) {
                key = versionKey + checkVersionExp01[i];
                if ( ( keyIndex = uaString.indexOf(key) ) > 0 ) break;
            }
            // Mozilla
            if ( key == 'GECKO/' ) {
                key = 'RV:';
                keyIndex = uaString.indexOf(key);
            }
            keyIndex = keyIndex + key.length;
            index = uaString.length;
            for (i=0; i<checkVersionExp02.length; i++) {
                if ((key = uaString.indexOf(checkVersionExp02[i], keyIndex)) > 0) {
                    if (key < index) {
                        keyIndexEnd = key;
                        index = keyIndexEnd;
                    }
                }
            }
            this.browserVersion = uaString.substring(keyIndex, keyIndexEnd);
        }

        function setBrowser(longName,shortName,keyWord) {
            this.longName = longName;
            this.shortName = shortName;
            this.keyword = keyWord.split(",");
        }

    }

}