var stmnLEFT = ""; //   왼쪽여백
var stmnGAP1 = 280; // 위쪽여백
var stmnGAP2 = 50; // 스크롤시 브라우저 위쪽과 떨어지는 거리
var stmnBASE = 280; // 스크롤시작위치지정
var stmnActivateSpeed = 0;
var stmnScrollSpeed = 10;

var stmnTimer;

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;

	stmnLimit = parseInt(window.document.body.scrollHeight) - parseInt(STATICMENU.offsetHeight);
	if (stmnEndPoint > stmnLimit) stmnEndPoint = stmnLimit;

	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;
	}

	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();
	}
}