jQuery animate image swap -

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i'm looking have image swap inside image gallery in way when user hovers on image grows in size , swaps out image. @ moment working soft fadein , fadeout effect. how can change faster transition , image looks growing in size?

html

<li class="carousel-img"      data-alt-src="<?php the_sub_field('carousel_image_hover');?>"      style="background-image:url( <?php the_sub_field('carousel_image');?> )" >

jquery

jquery(document).ready(function(e) {          var bkgd_bl = "";          jquery('#carousel li').hover(function() {               var bkgd = "url('" + jquery(this).attr('data-alt-src') + "')";              bkgd_bl = jquery(this).css('background-image');               jquery(this).stop().fadeout("1000", function() {                  jquery(this).css({                      "background-image": bkgd,                      "height": 223,                      "width": 449 }).fadein(1000); //alert(bkgd_bl);              });             }, function() {                 jquery(this).stop().fadeout("1000", function() {                     jquery(this).css({                         "background-image": bkgd_bl,                         "height": 172,                         "width": 265 }).fadein(1000);                 });             });         });

maybe change

fadein(1000);

to faster? 300? if that's waht want.. show fiddle.

at bottom of http://iab.org.pl/ you`ll se logotypes, effect wanna achieve?


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