스크립트

퀵메뉴 스크립트

어렸을때 2011. 6. 30. 10:52

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=euc-kr">
<title>SmoothMovingLayer Demo</title>
<script type="text/javascript">
//<![CDATA[
function initMoving(target, position, topLimit, btmLimit) {
 if (!target)
  return false;

 var obj = target;
 obj.initTop = position;
 obj.topLimit = topLimit;
 obj.bottomLimit = Math.max(document.documentElement.scrollHeight, document.body.scrollHeight) - btmLimit - obj.offsetHeight;

 obj.style.position = "absolute";
 obj.top = obj.initTop;
 obj.left = obj.initLeft;

 if (typeof(window.pageYOffset) == "number") { //WebKit
  obj.getTop = function() {
   return window.pageYOffset;
  }
 } else if (typeof(document.documentElement.scrollTop) == "number") {
  obj.getTop = function() {
   return Math.max(document.documentElement.scrollTop, document.body.scrollTop);
  }
 } else {
  obj.getTop = function() {
   return 0;
  }
 }

 if (self.innerHeight) { //WebKit
  obj.getHeight = function() {
   return self.innerHeight;
  }
 } else if(document.documentElement.clientHeight) {
  obj.getHeight = function() {
   return document.documentElement.clientHeight;
  }
 } else {
  obj.getHeight = function() {
   return 500;
  }
 }

 obj.move = setInterval(function() {
  if (obj.initTop > 0) {
   pos = obj.getTop() + obj.initTop;
  } else {
   pos = obj.getTop() + obj.getHeight() + obj.initTop;
   //pos = obj.getTop() + obj.getHeight() / 2 - 15;
  }

  if (pos > obj.bottomLimit)
   pos = obj.bottomLimit;
  if (pos < obj.topLimit)
   pos = obj.topLimit;

  interval = obj.top - pos;
  obj.top = obj.top - interval / 3;
  obj.style.top = obj.top + "px";
 }, 30)
}
//]]>
</script>
<style type="text/css">
body {
 margin: 0;
}
#head {
 width: 800px;
 height: 3000px;
 background: #eee;
}
#gotop {
 position: absolute;
 left: 810px;
 top: 50px;
 background: #ddd;
 width: 100px;
 height: 1000px;
}
</style>
</head>
<body>
<div id="head">
 웹사이트 헤더
</div>
<div id="gotop">
 <a href="#head" title="상단으로">위로</a>
</div>
<script type="text/javascript">initMoving(document.getElementById("gotop"), 50, 50, 50);</script>
</body>
</html>