gistfile1.txt

<script>
            var q = $.parseQuery();
            if(!q.plugin)//If the value isn't set
                window.location = "./"; //Go to the index file
            
            var testRes = ({
                "javascript" : "plugins/javascript.js",
                "arduino" : "plugins/arduino.js",
                "frcjava" : "plugins/frcjava.js"
            })[ q.plugin ];
            
            yepnope({
                test : testRes,
                yep : testRes,
                complete : function () {
                    if(! testRes){
                        window.location = "./";
                        alert('Sorry the plugin: \"'+q.plugin+' does not exist');
                    }
                }
            });
            
        </script>

/* blocks.js regex.
if(!vartypes[type])
            return a;

<span class="string socket" title="this is a string socket. You can type in a value or drag in a matching value block"><input type="" text""=""></span>