var stmnLEFT   = 1100; // 스크롤메뉴의 좌측 위치
var stmnGAP1   = 100; // 페이지 헤더부분의 여백
var stmnGAP2   = 200; // 스크롤시 브라우저 상단과 약간 띄움. 필요없으면 0으로 세팅
var stmnBASE   = 800; // 스크롤메뉴 초기 시작위치 (아무렇게나 해도 상관은 없지만 stmnGAP1과 약간 차이를 주는게 보기 좋음)
var stmnActivateSpeed = 1; // 움직임을 감지하는 속도 (숫자가 클수록 늦게 알아차림)
var stmnScrollSpeed  = 1; // 스크롤되는 속도 (클수록 늦게 움직임)

var stmnTimer;

function setLeft()
{
 if(document.body.clientWidth<1100)
 {
  stmnLEFT = 1000;
 }

 else
 {
  stmnLEFT = (document.body.clientWidth-1100)/2+980;
 }

}

function ReadCookie(name)
{
 var label = name + "=";
 var labelLen = label.length;
 var cLen = document.cookie.length;

 var i = 0;

 while (i < cLen)
 {
  var j = i + labelLen;
  if (document.cookie.substring(i, j) == label)
  {
   var cEnd = document.cookie.indexOf(";", j);

   if (cEnd == -1)
    cEnd = document.cookie.length;

   return unescape(document.cookie.substring(j, cEnd));
  }
  i++;
 }
 return "";
}

function SaveCookie(name, value, expire)
{
 var eDate = new Date();
 eDate.setDate(eDate.getDate() + expire);
 document.cookie = name + "=" + value + "; expires=" + eDate.toGMTString()+ "; path=/";
}

function RefreshStaticMenu()
{
 var stmnStartPoint, stmnEndPoint, stmnRefreshTimer;
 stmnStartPoint = parseInt(STATICMENU.style.top, 10);
 stmnEndPoint = document.body.scrollTop + stmnGAP2;

 if (stmnEndPoint < stmnGAP1)
  stmnEndPoint = stmnGAP1;

 stmnRefreshTimer = stmnActivateSpeed;

 if ( stmnStartPoint != stmnEndPoint )
 {
  stmnScrollAmount = Math.ceil( Math.abs( stmnEndPoint - stmnStartPoint ) / 15 );
  STATICMENU.style.top = parseInt(STATICMENU.style.top, 10) + ( ( stmnEndPoint<stmnStartPoint ) ? -stmnScrollAmount : stmnScrollAmount );
  stmnRefreshTimer = stmnScrollSpeed;
 }

 setLeft();
 STATICMENU.style.left = stmnLEFT;
 stmnTimer = setTimeout ("RefreshStaticMenu();", stmnRefreshTimer);
}

function ToggleAnimate()
{
 if (!ANIMATE.checked)
 {
  RefreshStaticMenu();
  SaveCookie("ANIMATE", "true", 300);
 }
 else
 {
  clearTimeout(stmnTimer);
  STATICMENU.style.top = stmnGAP1;
  SaveCookie("ANIMATE", "false", 300);
 }
}

function InitializeStaticMenu()
{
 STATICMENU.style.left = stmnLEFT;

 if (ReadCookie("ANIMATE") == "false")
 {
  ANIMATE.checked = true;
  STATICMENU.style.top = document.body.scrollTop + stmnGAP1;
 }
 else
 {
  ANIMATE.checked = false;
  STATICMENU.style.top = document.body.scrollTop + stmnBASE;
  RefreshStaticMenu();
 }
}