gistfile1.js

function merge(target, source) {
        
    /* Merges two (or more) objects,
       giving the last one precedence */
    
    if ( typeof target !== 'object' ) {
        target = {};
    }
    
    for (var property in source) {
        
        if ( source.hasOwnProperty(property) ) {
            
            var sourceProperty = source[ property ];
            
            if ( typeof sourceProperty === 'object' ) {
                target[ property ] = util.merge( target[ property ], sourceProperty );
                continue;
            }
            
            target[ property ] = sourceProperty;
            
        }
        
    }
    
    for (var a = 2, l = arguments.length; a < l; a++) {
        merge(target, arguments[a]);
    }
    
    return target;
};