gistfile1.txt

   arena.init = function() {
        srobo.init(function() {
            var badCorner = function(cornerDefs) {
                var buttonsDiv = document.createElement("div");
                var showButtons = function(cornerDefs) {
                    srobo.competition.arenas(function(arenas) {
                        if (typeof(arenas) === 'string') {
                          arenas = JSON.parse(arenas);
                        }
                        arenas = arenas.arenas;
                        for (var i = 0; i < arenas.length; i++) {
                            var arena = arenas[i];
                            var para = document.createElement("p");
                            for (var c = 0; c < Object.keys(cornerDefs.corners).length; c++) {
                                var link = document.createElement("a");
                                link.href = "?arena=" + arena + "&corner=" + c;
                                link.textContent = arena + ":" + c;
                                link.style = "padding: 0.5em; margin: 0.5em; font-size: 1.2em;";
                                para.appendChild(link);
                            }
                            buttonsDiv.appendChild(para);
                        }
                    });
                };