var amount = prompt("What amount u want to tip to each user? (satoshi)");
users = ["energ1zer", "Silverpoor2", "FanEagle", "ashy", "Frookonsi24", "gmajor77", "bobchance", "fallen2dc", "marsh", "LabKitty", "Visions", "fulcrum", "blech", "madcoin", "4chananon", "Cryptsy", "joeyarg", "wannaltcplz", "nignog123", "kuz345", "singpays"];

function tip(username, amount)
{
                $.post("https://api.primedice.com/api/tip?access_token=" + localStorage.getItem('token'), { username: username, amount: amount }, function(d)
             {
                        tipped++;
                        tip(users[tipped], amount);
                 }
                ).fail(function()
                {
                                alert( "error: Username: " + username + "  rb.  " + tipped + " doesn't exist!" );
                                });
}

var tipped = 0;
tip(users[tipped], amount);