function modifyFontSize(n){var i=$("#divContent"),t=parseInt(i.css("font-size"));n=="increase"?(t+=1,t>=18&&(t=18)):n=="decrease"?(t-=1,t<=12&&(t=12)):t=14;i.css("font-size",t)}jQuery(window).on("scroll",function(){$(this).scrollTop()>50?$(".navbar_custum").addClass("stickyHeader"):$(".navbar_custum").removeClass("stickyHeader")});$(document).ready(function(){$(window).scroll(function(){$(this).scrollTop()>100?$("#goto_top").fadeIn():$("#goto_top").fadeOut()});$("#goto_top").click(function(){return $("html, body").animate({scrollTop:0},600),!1})});$("#linkIncrease").click(function(){modifyFontSize("increase")});$("#linkDecrease").click(function(){modifyFontSize("decrease")});$("#linkReset").click(function(){modifyFontSize("reset")})