if (typeof(SCROLL_JS) == 'undefined') { // 한번만 실행
    var SCROLL_JS = true;

	var bNetscape4plus = (navigator.appName == "Netscape" && navigator.appVersion.substring(0,1) >= "4");
	var bExplorer4plus = (navigator.appName == "Microsoft Internet Explorer" && navigator.appVersion.substring(0,1) >= "4");
	function CheckUIElements(){
			var yMenuFrom, yMenuTo, yButtonFrom, yButtonTo, yOffset, timeoutNextCheck;

			if ( bNetscape4plus ) { 
					yMenuFrom   = document["divMenu"].top;
					yMenuTo     = top.pageYOffset + 62; //이 숫자를 수정하면 위쪽여백을 조절 할 수 있습니다(네츠케이프)
			}
			else if ( bExplorer4plus ) {
					yMenuFrom   = parseInt (divMenu.style.top, 10);
					yMenuTo     = document.body.scrollTop + 116;//이 숫자를 수정하면 위쪽여백을 조절 할 수 있습니다(익스플로러)
			}

			timeoutNextCheck = 500;

			if ( Math.abs (yButtonFrom - (yMenuTo + 152)) < 6 && yButtonTo < yButtonFrom ) {
					setTimeout ("CheckUIElements()", timeoutNextCheck);
					return;
			}

			if ( yButtonFrom != yButtonTo ) {
					yOffset = Math.ceil( Math.abs( yButtonTo - yButtonFrom ) / 10 );
					if ( yButtonTo < yButtonFrom )
							yOffset = -yOffset;

					if ( bNetscape4plus )
							document["divLinkButton"].top += yOffset;
					else if ( bExplorer4plus )
							divLinkButton.style.top = parseInt (divLinkButton.style.top, 10) + yOffset;

					timeoutNextCheck = 10;
			}
			if ( yMenuFrom != yMenuTo ) {
					yOffset = Math.ceil( Math.abs( yMenuTo - yMenuFrom ) / 20 );
					if ( yMenuTo < yMenuFrom )
							yOffset = -yOffset;

					if ( bNetscape4plus )
							document["divMenu"].top += yOffset;
					else if ( bExplorer4plus )
							divMenu.style.top = parseInt (divMenu.style.top, 10) + yOffset;

					timeoutNextCheck = 10;
			}

			setTimeout ("CheckUIElements()", timeoutNextCheck);
	}

	function OnLoad()
	{
			var y;
			if ( top.frames.length )
			if ( bNetscape4plus ) {
					document["divMenu"].top = top.pageYOffset + 135;
					document["divMenu"].visibility = "visible";
			}
			else if ( bExplorer4plus ) {
					divMenu.style.top = document.body.scrollTop + 135;
					divMenu.style.visibility = "visible";
			}
			CheckUIElements();
			return true;
	}
	OnLoad();
}