updateBlock.js

$.extend( {
    updateBlock: function(url, options, callback){
        $.updateBlock.defaults = {
            formatDate: false
        }; // defaults
        
        $.updateBlock.options = $.extend({}, $.updateBlock.defaults, options || {});
        
        console.log( $.updateBlock.options );
        
        $.get(url, function(data){
            var r = data.output; // r for record
            for (var key in r) {
                if (r.hasOwnProperty(key)) {
                    
                    //console.log( key + ' - ' + typeof r[key] + ' - ' + r[key]);
                    
                    if( typeof r[key] == 'object' ) // units and values
                        $( '#' + key ).text( quantity(r[key]));
                    
                    else
                    {
                        if( r[key] == '' && typeof r[key] == 'string' ) // for blank strings
                            r[key] = '--';
                            
                        $( '#' + key ).text( r[key] );
                    } // else
                } // if
            } // for
            
        if( typeof callback == 'function' )
            callback.call(this);
                
        }); // get

    }
}); // extend

very nice. glad you're using "egyptian brackets" :P

And semicolons!;