/*
 * ¸¡¶¯¹ã¸æ
*/

function openNewWindow(URLtoOpen, windowName, windowFeatures) 
{ 
	newWindow=window.open(URLtoOpen, windowName, windowFeatures); 
}

var xPos = 20;
var yPos = document.body.clientHeight;
var step = 1;
var delay = 30; 
var height = 0;
var Hoffset = 0;
var Woffset = 0;
var yon = 0;
var xon = 0;
var pause = true;
var interval;
img.style.top = yPos;
	
function changePos() 
{
	width = document.body.clientWidth;
	height = document.body.clientHeight;
	Hoffset = img.offsetHeight;
	Woffset = img.offsetWidth;
	img.style.left = xPos + document.body.scrollLeft;
	img.style.top	=	yPos + document.body.scrollTop;
	if (yon) 
	{
		yPos = yPos	+	step;
	}
	else 
	{
		yPos = yPos - step;
	}
	if (yPos < 0) 
	{
		yon = 1;
		yPos = 0;
	}
	if (yPos >= (height - Hoffset)) 
	{
		yon = 0;
		yPos = (height - Hoffset);
	}
		if (xon) 
		{
			xPos = xPos + step;
		}
		else 
		{
			xPos = xPos - step;
		}
		if (xPos < 0) 
		{
			xon = 1;
			xPos = 0;
		}
		if (xPos >= (width - Woffset)) 
		{
			xon = 0;
			xPos = (width - Woffset);
		}
	}
	
	function start_flowAD() 
	{
		img.style.visibility = "visible";
		interval = setInterval('changePos()', delay);
	}
	
	start_flowAD();