(function($){
"use strict";
$(function(){
var container=$("#to_top_scrollup").css({
'opacity': 0
});
var data=to_top_options;
var mouse_over=false;
var hideEventID=0;
var fnHide=function(){
clearTimeout(hideEventID);
if(container.is(":visible")){
container.stop().fadeTo(200, 0, function(){
container.hide();
mouse_over=false;
});
}};
var fnHideEvent=function(){
if(!mouse_over&&data.enable_autohide==1){
clearTimeout(hideEventID);
hideEventID=setTimeout(function(){
fnHide();
}, data.autohide_time * 1000);
}};
var scrollHandled=false;
var fnScroll=function(){
if(scrollHandled)
return;
scrollHandled=true;
if($(window).scrollTop() > data.scroll_offset){
container.stop().css("opacity", mouse_over ? 1:parseFloat(data.icon_opacity/100)).show();
fnHideEvent();
}else{
fnHide();
}
scrollHandled=false;
};
if("undefined"!=typeof to_top_options.enable_hide_small_device&&"1"==to_top_options.enable_hide_small_device){
if($(window).width() > to_top_options.small_device_max_width){
$(window).on("scroll", fnScroll);
$(document).on("scroll", fnScroll);
}}else{
$(window).on("scroll", fnScroll);
$(document).on("scroll", fnScroll);
}
container.on("hover", function(){
clearTimeout(hideEventID);
mouse_over=true;
$(this).css("opacity", 1);
}, function(){
$(this).css("opacity", parseFloat(data.icon_opacity/100));
mouse_over=false;
fnHideEvent();
})
.on("click", function(){
$("html, body").animate({
scrollTop: 0
}, 400);
return false;
});
});
})(jQuery);