//********************************************************//
//  ½ºÄ«ÀÌ ½ºÅ©·¡ÆÛ ¹è³Ê
//  ÀÛ¼ºÀÚ : Á¤º´ÅÂ
//  ÀÛ¼ºÀÏ : 2007-07-24
//********************************************************//

var topLimit = 160;			// »ó´Ü ¿©¹é
var bottomLimit = 120;		// ÇÏ´Ü ¿©¹é

var isDOM = (document.getElementById ? true : false); 
var isNS = navigator.appName == "Netscape";
var QuickMenu;
function initSkyScrapper(id) {
	if (isDOM) {
		QuickMenu = document.getElementById(id);
		QuickMenu.style.top = topLimit;
		QuickMenu.style.visibility = "visible";
		moveSkyScrapper();
	}
}

function moveSkyScrapper() {
	var yMenuMax, yMenuFrom, yMenuTo, yOffset, timeoutNextCheck;

	yMenuMax = document.body.scrollHeight - QuickMenu.scrollHeight-bottomLimit;
	yMenuFrom   = parseInt (QuickMenu.style.top, 0)-topLimit;
	yMenuTo     = (isNS ? window.pageYOffset : document.body.scrollTop);
	timeoutNextCheck = 500;

	if (yMenuFrom != yMenuTo) {
		yOffset = Math.ceil(Math.abs(yMenuTo - yMenuFrom) / 20);
		if (yMenuTo < yMenuFrom)  yOffset = -yOffset;
		QuickMenu.style.top = parseInt (QuickMenu.style.top, 0) + yOffset;
		if(yMenuMax < parseInt (QuickMenu.style.top, 10)) QuickMenu.style.top = yMenuMax;
		timeoutNextCheck = 10;
	}
	setTimeout ('moveSkyScrapper()', timeoutNextCheck);
}