var scriptLoad = {
  Version: '1.7.0',
  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() {
    if((typeof Prototype=='undefined') || 
       (typeof Element == 'undefined') || 
       (typeof Element.Methods=='undefined') ||
       parseFloat(Prototype.Version.split(".")[0] + "." +
                  Prototype.Version.split(".")[1]) < 1.5)
       throw("Votre navigateur n'est pas compatible pour avec le JavaScript utilisé");
    
    $A(document.getElementsByTagName("script")).findAll( function(s) {
      return (s.src && s.src.match(/scriptLoad\.js(\?.*)?$/))
    }).each( function(s) {
      var path = s.src.replace(/scriptLoad\.js(\?.*)?$/,'');
      var includes = s.src.match(/\?.*load=([a-z,]*)/);
      (includes ? includes[1] : 'builder,effects,dragdrop,controls,slider').split(',').each(
       function(include) { scriptLoad.require(path+include+'.js') });
    });
  }
}

scriptLoad.load();