var current_fs,next_fs,previous_fs;var left,opacity,scale;var animating;$(".next").on('click',function(){if(animating)return false;animating=true;current_fs=$(this).parent();next_fs=$(this).parent().next();$("#progressbar li").eq($("fieldset").index(next_fs)).addClass("active");next_fs.show();current_fs.animate({opacity:0},{step:function(now,mx){scale=1-(1-now)*0.2;left=(now*50)+"%";opacity=1-now;current_fs.css({'transform':'scale('+scale+')','position':'absolute'});next_fs.css({'left':left,'opacity':opacity});},duration:800,complete:function(){current_fs.hide();animating=false;},easing:'easeInOutBack'});});$(".previous").on('click',function(){if(animating)return false;animating=true;current_fs=$(this).parent();previous_fs=$(this).parent().prev();$("#progressbar li").eq($("fieldset").index(current_fs)).removeClass("active");previous_fs.show();current_fs.animate({opacity:0},{step:function(now,mx){scale=0.8+(1-now)*0.2;left=((1-now)*50)+"%";opacity=1-now;current_fs.css({'left':left});previous_fs.css({'transform':'scale('+scale+')','opacity':opacity});},duration:800,complete:function(){current_fs.hide();animating=false;},easing:'easeInOutBack'});});$(".submit").on('click',function(){return false;})