var isDOM = (document.getElementById ? true : false); 

var isIE4 = ((document.all && !isDOM) ? true : false);

var isNS4 = (document.layers ? true : false);



function getRef(id) {

	if (isDOM) return document.getElementById(id);

	if (isIE4) return document.all[id];

	if (isNS4) return document.layers[id];

}



var isNS = navigator.appName == "Netscape";

function moveRightEdge() {

	var yMenuFrom, yMenuTo, yOffset, timeoutNextCheck;



	if (isNS4) {

		yMenuFrom   = divMenu.top;

		yMenuTo     = windows.pageYOffset + 410;   // À§ÂÊ À§Ä¡

	} else if (isDOM) {

		yMenuFrom   = parseInt (divMenu.style.top, 10);

		yMenuTo     = (isNS ? window.pageYOffset : document.body.scrollTop) + 410; // À§ÂÊ À§Ä¡

	}

	timeoutNextCheck = 50;



	if (yMenuFrom != yMenuTo) {

		yOffset = Math.ceil(Math.abs(yMenuTo - yMenuFrom) / 20);

		if (yMenuTo < yMenuFrom)

			yOffset = -yOffset;

		if (isNS4)

			divMenu.top += yOffset;

		else if (isDOM)

			divMenu.style.top = parseInt (divMenu.style.top, 10) + yOffset;

			timeoutNextCheck = 10;

	}

	setTimeout ("moveRightEdge()", timeoutNextCheck);

}
if (isNS4) {

	var divMenu = document["Float1"];

	divMenu.top = top.pageYOffset + 0;

	divMenu.visibility = "visible";

	moveRightEdge();

} else if (isDOM) {

	var divMenu = getRef('Float1');

	divMenu.style.top = (isNS ? window.pageYOffset : document.body.scrollTop) + 0;

	divMenu.style.visibility = "visible";

	moveRightEdge();

}