scriptaculous = {
  version: '1.5_pre1',
  require: function(libraryname) {
    // inserting via dom fails in safari 2.0, so brute force approach
    document.write('<script type="text/javascript" src="'+libraryname+'"></script>');
  },
  load: function() {
    // fixme: check for prototype version number
    if(typeof prototype=='undefined') 
      throw("script.aculo.us requires the prototype javascript framework >= 1.4.0");
    var scripttags = document.getelementsbytagname("script");
    for(var i=0;i<scripttags.length;i++) {
      if(scripttags[i].src && scripttags[i].src.match(/scriptaculous\.js$/)) {
        var path = scripttags[i].src.replace(/scriptaculous\.js$/,'');
        this.require(path + 'util.js');
        this.require(path + 'effects.js');
        this.require(path + 'dragdrop.js');
        this.require(path + 'controls.js');
      }
    }
  }
}

scriptaculous.load();