var Scriptaculous = {
 Version: '1.7.0',
 require: function(libraryName){
    document.write('<script type="text/javascript" src="'+libraryName+'"></script>');
 },
 load: function() {
   if((typeof Prototype=='undefined') || 
      (typeof Element == 'undefined') || 
      (typeof Element.Methods=='undefined') ||
      parseFloat(Prototype.Version.split(".")[0] + "." +
                 Prototype.Version.split(".")[1]) < 1.5)
      throw("script.aculo.us requires the Prototype JavaScript framework >= 1.5.0");

   $A(document.getElementsByTagName("script")).findAll( function(s) {
     return (s.src && s.src.match(/scriptaculous\.js(\?.*)?$/))
   }).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').split(',').each(
      function(include) { Scriptaculous.require(path+include+'.js') });
   });
 }
}
Scriptaculous.load();