// ½ºÅ©·Ñ À̺¥Æ®
$(function() {
var scrollH = $(document).height() - $(window).height();
var subMaxOpacity = 80 / scrollH;
$(window).scroll(function() {
var wTop = $(this).scrollTop();
var winWidth = $(this).width();
// ½ºÅ©·Ñ È°¼ºÈ­ ó¸® ÇÔ¼ö
function scrollActive() {
if(!$("#header").hasClass('scroll')) {
$("#header").addClass('scroll');
$("#scrollTop").stop(true,false).fadeIn(300);
}
}
// ½ºÅ©·Ñ ºñÈ°¼ºÈ­ ó¸® ÇÔ¼ö
function scrollInactive() {
$("#header").removeClass('scroll');
$("#scrollTop").stop(true,false).fadeOut(300);
}
if($("body").hasClass('main')) {
if(winWidth > 1024) {
if(wTop >= 750) {
scrollActive();
} else {
scrollInactive();
}
} else if (winWidth>768 && winWidth <= 1024) {
if(wTop >= 500) {
scrollActive();
} else {
scrollInactive();
}
} else {
if(wTop >= 380) {
scrollActive();
} else {
scrollInactive();
}
}
} else {
if(winWidth > 1024) {
if(wTop >= 750) {
scrollActive();
} else {
scrollInactive();
}
} else if (winWidth>768 && winWidth <= 1024) {
if(wTop >= 500) {
scrollActive();
} else {
scrollInactive();
}
} else if (winWidth>640 && winWidth <= 768) {
if(wTop >= 380) {
scrollActive();
} else {
scrollInactive();
}
} else if (winWidth>480 && winWidth <= 640) {
if(wTop >= 250) {
scrollActive();
} else {
scrollInactive();
}
} else {
if(wTop >= 225) {
scrollActive();
} else {
scrollInactive();
}
}
}
// ¼­ºê ºñÁÖ¾ó ½ºÅ©·Ñ½Ã ¸¶½ºÅ© ¹è°æ Åõ¸íµµ ó¸®
var subOpacity = (subMaxOpacity*wTop)*0.03;
$("#sub_visual > .scrollbg").css('opacity',subOpacity);
});
});