// Number of open windows
var jswin_win_open  = 0;

var JsWin = ps.ui.Window.extend({
	
	onShow : function(){
		
		if (jswin_win_open == 0) UI.showFade();
		jswin_win_open ++;
		
	},
	
	onHide : function(){
		
		jswin_win_open--;
		if (jswin_win_open == 0) UI.hideFade();
	
		this.onClose();
	},
	
	onClose : function(){}

});