Mine

var Item = Class.create();
Item.prototype = {
    initialize: function( oArgs )
    {	this.Parse( oArgs );
    },
    
    Class: "Item",
    
    Fetch: function( id )
    {
    	var cmd = {};
    	cmd.cmd = this.Class + "::View";
    	cmd.id = id;
    	
    	var self = this;
    	$.post( ASettings.APIPATH,
				cmd,
				function( response, code )
				{	response = eval( '(' + response + ')' );
					self.Parse( response );
				}
    	 );
    },
    
    //	OVERLOADED BY CHILDREN CLASSES ...
    Parse: function( data )
    {},
    
    Delete: function()
    {  	var cmd = {};
    	cmd.cmd = this.Class + "::Delete";
    	if( !parseInt( this.Attributes.id ) )
    	{	return false;	}
    	cmd.id = this.Attributes.id;
    	
    	$.post(	ASettings.APIPATH,
    			cmd,
    			function( response )
    			{	response = eval( '(' + response + ')' );
    				console.log( response );
    				$( this ).trigger( 'Deleted', [ response.Result ] );
    			}
    	);
    }
    
}

var Gap = Object.extend( Item,
	{	Class: 'Gap',
		Data: {
			symbol:null,
			date:null,
			type:null,
			gap_per:null,
			gap_act_per:null,
			adr5: null,
			adr10: null,
			adr20: null,
			volume:null,
			volume20:null
		},
		
		Attributes: {
			date_create: null,
			date_modify: null,
			date_expire: null,
			id: null			
		},
		
		Loaded: function()
		{	console.log( 'onLoad! Ok!' );	},
		
		Parse: function( data )
		{	console.log( 'Instantiating: ' + data.symbol );
			this.Attributes.date_create 		= data.date_create;
			this.Attributes.date_modify 		= data.date_modify;
			this.Attributes.date_expire 		= data.date_expire;
			this.Attributes.id 			= data.id;
			
			this.Data.symbol			= data.symbol;
			this.Data.date				= data.date;
			this.Data.type				= data.type;
			this.Data.gap_per			= data.gap_per;
			this.Data.gap_act_per		= data.gap_act_per;
			this.Data.adr5				= data.adr5;
			this.Data.adr10			= data.adr10;
			this.Data.adr20			= data.adr20;
			this.Data.volume			= data.volume;
			this.Data.volume20			= data.volume20;
			return this;
		}
	}
);