var Scriptaculous = {
    Version: '1.8.1',
    require: function(libraryName) {
        // inserting via DOM fails in Safari 2.0, so brute force approach
        document.write('<script type="text/javascript" src="'+libraryName+'"><\/script>');
    },
    REQUIRED_PROTOTYPE: '1.6.0',
    load: function() {
        function convertVersionString(versionString){
            var r = versionString.split('.');
            return parseInt(r[0])*100000 + parseInt(r[1])*1000 + parseInt(r[2]);
        }
 
        if((typeof Prototype=='undefined') ||
            (typeof Element == 'undefined') ||
            (typeof Element.Methods=='undefined') ||
            (convertVersionString(Prototype.Version) <
                convertVersionString(Scriptaculous.REQUIRED_PROTOTYPE)))
            throw("script.aculo.us requires the Prototype JavaScript framework >= " +
                Scriptaculous.REQUIRED_PROTOTYPE);
    
        $A(document.getElementsByTagName("script")).findAll( function(s) {
            return (s.src && s.src.match(/scriptaculous\.js(\?.*)?$/))
        }).each( function(s) {
            var path = s.src.replace(/scriptaculous\.js(\?.*)?$/,'');
            var includes = s.src.match(/\?.*load=([a-z,]*)/);
            (includes ? includes[1] : 'builder,effects,dragdrop,controls,slider,sound').split(',').each(
                function(include) {
                    Scriptaculous.require(path+include+'.js')
                });
        });
    }
}

Scriptaculous.load();