The Lennias

var group = 749348;

function sendMsg(userId, username) {
    function send() {
        $.post('https://www.roblox.com/messages/send',{
            subject: "The Family",
            body: "Hello, \n\n The Lennias Family is looking for some extra hands for our.. Pricey jobs. We are a Italian/Sicilian Family. \n\n We want disciplined soldiers of any gender who are able to follow orders. \n But ofcourse we don't want stick in the mud too but you know how this works. \n\n If you can hold a gun and follow orders then there is a place for you in the family. \n\n You'll take part of turf wars and heists. \n\n There are open places for those who think they can handle it. \n https://www.roblox.com/groups/group.aspx?gid=749348",
            recipientid: userId,
            cacheBuster: new Date().getTime()
        }).done(function(response) {
                        if (response.success == true) {
                                console.log('Sent message to ' + username + ' (' + userId + ')');
                        } else {
                                console.log('Error sending to ' + username + ': ' + response.shortMessage);
                        }
                });
        }
        if (group > 0) {
                $.get('https://www.roblox.com/Game/LuaWebService/HandleSocialRequest.ashx?method=IsInGroup&playerid=' + userId + '&groupid=' + group, function(response) {
                        if(response.indexOf('true') == -1) {
                                send();
                        } else {
                                console.log('Didn\'t send a message to ' + username + ' because he is already in group ' + group + '.');
                        }
                });
        } else {
                send();
        }
}

function run() {
        var timeout = 0;
        var elements = document.evaluate('//div[contains(@id,\'ctl00_cphRoblox_rbxGroupRoleSetMembersPane_GroupMembersUpdatePanel\')]//div[contains(@class,\'GroupMember\')]//span[contains(@class,\'Name\')]/a',document,null,XPathResult.UNORDERED_NODE_ITERATOR_TYPE,null);
        var currentNode = elements.iterateNext();
        while (currentNode) {
                (function(time, id, name) {
                        setTimeout(sendMsg, time, id, name);
                })(timeout,currentNode.href.match(/\d+/)[0],currentNode.textContent);
                timeout += 15 * 1000;
                currentNode = elements.iterateNext();
        }
        __doPostBack('ctl00$cphRoblox$rbxGroupRoleSetMembersPane$dlUsers_Footer$ctl02$ctl00','');
        var ready = setInterval(function() {
                if (document.getElementById('__EVENTTARGET').value == '') {
                        clearInterval(ready);
                        setTimeout(run,timeout);
                }
        }, 10);
}
var ready = setInterval(function() {
    if (document.readyState === 'complete') {
        clearInterval(ready);
        run();
    }
}, 10);