<pre style="word-wrap: break-word; white-space: pre-wrap;">&lt;html&gt;
&lt;head&gt;
.
.
.

&lt;script&gt;
       var Hook = 
            {
                hooks: [],
                
                register: function ( name, callback ) {
                    if( 'undefined' == typeof( Hook.hooks[name] ) )
                        Hook.hooks[name] = [];
                    
                    Hook.hooks[name].push( callback )
                },
                
                call: function ( name, arguments ) {
                    if( 'undefined' != typeof( Hook.hooks[name] ) )
                    {
                        for( i = 0; i &lt; Hook.hooks[name].length; ++i )
                            if( true != Hook.hooks[name][i]( arguments ) ) { break; }
                    }

                }
            }
   &lt;/script&gt;         
            
  &lt;/head&gt;
</pre>