from (line 766)
this.$container = jQuery('.floatbox_container', '#floatbox_prototype').clone().hide().appendTo('body');
to
var activeCanvas = jQuery('.floatbox_canvas_active');
this.$canvas = jQuery('.floatbox_canvas', '#floatbox_prototype').clone().appendTo(document.body); activeCanvas.removeClass('floatbox_canvas_active'); this.$canvas.addClass('floatbox_canvas_active');
if (this.parentBox) { this.$canvas.addClass('floatbox_canvas_sub'); this.parentBox.bind('close', function() { fl_box.close(); }); }
this.$canvas.click(function(e){ if ( $(e.target).is(this) ) { fl_box.close(); } });
this.$container = jQuery('.floatbox_container', this.$canvas).hide();
this.$canvas
causes the page pop-up/floatbox to not display