(function(a,e,f){a.fn.scrollUp=function(d){a.data(f.body,"scrollUp")||(a.data(f.body,"scrollUp",!0),a.fn.scrollUp.init(d))};a.fn.scrollUp.init=function(d){var b=a.fn.scrollUp.settings=a.extend({},a.fn.scrollUp.defaults,d),g=!1,h;var c=b.scrollTrigger?a(b.scrollTrigger):a("<a/>",{id:b.scrollName,href:"#top"});b.scrollTitle&&c.attr("title",b.scrollTitle);c.appendTo("body");b.scrollImg||b.scrollTrigger||c.html(b.scrollText);c.css({display:"none",position:"fixed",zIndex:b.zIndex});b.activeOverlay&&a("<div/>",
{id:b.scrollName+"-active"}).css({position:"absolute",top:b.scrollDistance+"px",width:"100%",borderTop:"1px dotted"+b.activeOverlay,zIndex:b.zIndex}).appendTo("body");switch(b.animation){case "fade":var l="fadeIn";var m="fadeOut";var k=b.animationSpeed;break;case "slide":l="slideDown";m="slideUp";k=b.animationSpeed;break;default:l="show",m="hide",k=0}var n="top"===b.scrollFrom?b.scrollDistance:a(f).height()-a(e).height()-b.scrollDistance;a(e).scroll(function(){a(e).scrollTop()>n?g||(c[l](k),g=!0):
g&&(c[m](k),g=!1)});b.scrollTarget?"number"===typeof b.scrollTarget?h=b.scrollTarget:"string"===typeof b.scrollTarget&&(h=Math.floor(a(b.scrollTarget).offset().top)):h=0;c.click(function(c){c.preventDefault();a("html, body").animate({scrollTop:h},b.scrollSpeed,b.easingType)})};a.fn.scrollUp.defaults={scrollName:"scrollUp",scrollDistance:300,scrollFrom:"top",scrollSpeed:300,easingType:"linear",animation:"fade",animationSpeed:200,scrollTrigger:!1,scrollTarget:!1,scrollText:"Scroll to top",scrollTitle:!1,
scrollImg:!1,activeOverlay:!1,zIndex:2147483647};a.fn.scrollUp.destroy=function(d){a.removeData(f.body,"scrollUp");a("#"+a.fn.scrollUp.settings.scrollName).remove();a("#"+a.fn.scrollUp.settings.scrollName+"-active").remove();7<=a.fn.jquery.split(".")[1]?a(e).off("scroll",d):a(e).unbind("scroll",d)};a.scrollUp=a.fn.scrollUp})(jQuery,window,document);