onload=function()
{ 
	/*var obj = document.documentElement.clientWidth; 
	var x = ((obj-800)/2) + 400;
	var y = x + 40;
	document.body.style.backgroundPosition = x + 'px 100%';*/
}

onresize=function()
{ 
	/*var obj = document.documentElement.clientWidth; 
	var x = ((obj-800)/2) + 400;
	var y = x + 160;
	document.body.style.backgroundPosition = x + 'px 100%';*/
}