<!--
window.onerror = null;
var topMargin = 150; // 위쪽 여백
var slideTime = 1200; // 슬라이드 속도
var ns6 = (!document.all && document.getElementById);
var ie4 = (document.all);
var ns4 = (document.layers);
function layerObject(id, left){
	if (ns6) {
		this.obj = document.getElementById(id).style;
		this.obj.left = left;
		return this.obj;
	}
	else 
		if (ie4) {
			this.obj = document.all[id].style;
			this.obj.left = left;
			return this.obj;
		}
		else 
			if (ns4) {
				this.obj = document.layers[id];
				this.obj.left = left;
				return this.obj;
			}
}

function layerSetup(){
	// 레이어가 표시될 위치를 설정합니다 (지금은 화면해상도의 1/20 로 설정) .오른쪽에서 200픽셀 위치에 오게하려면 pageWidth - 200 으로 설정
	floatLyr = new layerObject('floatLayer', 943); 
	window.setInterval("main()", 10)
}

function floatObject(){
	if (ns4 || ns6) {
		findHt = window.innerHeight;
	}
	else 
		if (ie4) {
			findHt = document.body.clientHeight;
		}
}

function main(){
	if (ns4) {
		this.currentY = document.layers["floatLayer"].top;
		this.scrollTop = window.pageYOffset;
		mainTrigger();
	}
	else 
		if (ns6) {
			this.currentY = parseInt(document.getElementById('floatLayer').style.top);
			this.scrollTop = scrollY;
			mainTrigger();
		}
		else 
			if (ie4) {
				this.currentY = floatLayer.style.pixelTop;
				this.scrollTop = document.body.scrollTop;
				mainTrigger();
			}
}

function mainTrigger(){
	var newTargetY = this.scrollTop + this.topMargin;
	if (this.currentY != newTargetY) {
		if (newTargetY != this.targetY) {
			this.targetY = newTargetY;
			floatStart();
		}
		animator();
	}
}

function floatStart(){
	var now = new Date();
	this.A = this.targetY - this.currentY;
	this.B = Math.PI / (2 * this.slideTime);
	this.C = now.getTime();
	if (Math.abs(this.A) > this.findHt) {
		this.D = this.A > 0 ? this.targetY - this.findHt : this.targetY + this.findHt;
		this.A = this.A > 0 ? this.findHt : -this.findHt;
	}
	else {
		this.D = this.currentY;
	}
}

function animator(){
	var now = new Date();
	var newY = this.A * Math.sin(this.B * (now.getTime() - this.C)) + this.D;
	newY = Math.round(newY);
	if ((this.A > 0 && newY > this.currentY) || (this.A < 0 && newY < this.currentY)) {
		if (ie4) 
			document.all.floatLayer.style.pixelTop = newY;
		if (ns4) 
			document.layers["floatLayer"].top = newY;
		if (ns6) 
			document.getElementById('floatLayer').style.top = newY + "px";
	}
}

function start(){
	if (ns6 || ns4) {
		pageWidth = innerWidth;
		pageHeight = innerHeight;
		layerSetup();
		floatObject();
	}
	else 
		if (ie4) {
			pageWidth = document.body.clientWidth;
			pageHeight = document.body.clientHeight;
			layerSetup();
			floatObject();
		}
}

start();
//-->