SC.container.Loading = Class.create(SC.container.Overlay, {
    defaults: function(){
      this.dialog_options = $H({
         x: 0,
         y: 0,
         css_container: "container-loading"
      });        
    },
    
    initialize: function($super,options){
        this.defaults();
        this.mergeOptions( this.dialog_options, options );	
        
        $super( this.options );
    }
    
});