(window.innerWidth < 900) { image size not working here

[mxmedia]

I am able to display the alert when i reduce the browser window....but the cube size is not changing since I gave different value inside the if (window.innerWidth < 900) {providing my code belowhttp://jsfiddle.net/YZYp5/19/\[code\]window.addEventListener('resize', function(){ if (window.innerWidth < 900) { //alert("i am here"); Gallery = { _config: { speed: 500, size: 25, lightbox: !0, closeOnEsc: !0, animation: "default", slideshow: !1, slideshow_speed: 3E3, cube_speed: 1E3 },\[/code\]