0026: var Scriptaculous = {
0027:   Version: '1.8.1',
0028:   require: function(libraryName) {
0029:     // inserting via DOM fails in Safari 2.0, so brute force approach
0030:     document.write('<script type="text/javascript" src="'+libraryName+'"><\/script>');
0031:   },
0032:   REQUIRED_PROTOTYPE: '1.6.0',

0033:   load: function() {
0034:     function convertVersionString(versionString){
0035:       var r = versionString.split('.');
0036:       return parseInt(r[0])*100000 + parseInt(r[1])*1000 + parseInt(r[2]);
0037:     }
0038: 
0039:     if((typeof Prototype=='undefined') ||
0040:        (typeof Element == 'undefined') ||
0041:        (typeof Element.Methods=='undefined') ||
0042:        (convertVersionString(Prototype.Version) <
0043:         convertVersionString(Scriptaculous.REQUIRED_PROTOTYPE)))
0044:          throw("script.aculo.us requires the Prototype JavaScript framework >= " +
0045:         Scriptaculous.REQUIRED_PROTOTYPE);
0046:   
0047:     $A(document.getElementsByTagName("script")).findAll( function(s) {
0048:       return (s.src && s.src.match(/scriptaculous\.js(\?.*)?$/))
0049:     }).each( function(s) {
0050:       var path = s.src.replace(/scriptaculous\.js(\?.*)?$/,'');
0051:       var includes = s.src.match(/\?.*load=([a-z,]*)/);
0052:       (includes ? includes[1] : 'builder,effects,dragdrop,controls,slider,sound').split(',').each(
0053:        function(include) { Scriptaculous.require(path+include+'.js') });
0054:     });
0055:   }
0056: }
0057: 
0058: Scriptaculous.load();