SC.container.Overlay = Class.create(SC.container.Base, {
    defaults: function(){
      this.overlay_options = $H({
         x: 0,
         y: 0,
         position: "fixed",
         css_container: "container-overlay"
      });
    },
    
    initialize: function($super,options){
        this.defaults();
        this.mergeOptions( this.overlay_options, options );	
        
        $super( this.options );
    },
    
    create: function($super){
        this.options.set('style_container', "display:none;position:"+this.options.get('position')+";top:"+this.options.get('y')+"px;left:"+this.options.get('x')+"px;z-index:9999;" );
        $super();        
    },
    
    setXY: function(x,y){
        
    }
});