var tfb = {};
tfb.allowedLabels = ["follow-me", "follow-us", "follow", "my-twitter"];
tfb.defaultTop = 78;
tfb.defaultColor = "#35ccff";
tfb.isInArray = function(str, ar) {
    if (ar.length < 1) return;
    for (var i = 0; i < ar.length; i++) {
        if (ar[i] == str) {
            return true;
            break;
        }
    }
    return false;
}
tfb.showbadge = function() {
    if (!window.XMLHttpRequest) {
        return;
    }
    if (document.getElementById('twitterFollowBadge')) {
        document.body.removeChild(document.getElementById('twitterFollowBadge'));
    }
    if (tfb.top < 0 || tfb.top > 1000 || isNaN(tfb.top)) {
        tfb.top = tfb.defaultTop;
    }
    if (!tfb.isInArray(tfb.label, tfb.allowedLabels)) {
        tfb.label = tfb.allowedLabels[0];
    }
    var validColorPattern = /^#([a-f]|[A-F]|[0-9]){3}(([a-f]|[A-F]|[0-9]){3})?$/;
    if (!validColorPattern.test(tfb.color) || (tfb.color.length != 4 && tfb.color.length != 7)) {
        tfb.color = tfb.defaultColor;
    };
    if (tfb.side != 'l') {
        tfb.side = 'r';

    }
    tfb.tabStyleCode = 'position:fixed;' + 'top:' + tfb.top + 'px;' + 'width:30px;' + 'height:119px;' + 'z-index:8765;' + 'cursor:pointer;' + 'background:' + tfb.color + ' url(../content/images/follow-us.png);' + 'background-repeat:no-repeat;';
    if (tfb.side == 'l') {
        tfb.tabStyleCode += 'left:0; background-position:right top;'; tfb.aboutStyleCode += 'left:0;';
    } else {
        tfb.tabStyleCode += 'right:0; background-position:left top;'; tfb.aboutStyleCode += 'right:0;';

    }
    tfbMainDiv = document.createElement('div');
    tfbMainDiv.setAttribute('id', 'twitterFollowBadge');
    document.body.appendChild(tfbMainDiv); tfbMainDiv.innerHTML = '<div id="tfbTab" style="' + tfb.tabStyleCode + '"></div>' + '<style>#tfbAbout{visibility:hidden;} #twitterFollowBadge:hover #tfbAbout{visibility:visible;}</style>';
    document.getElementById('tfbTab').onclick = function() { window.open('http://www.twitter.com/' + tfb.account); };
}