function SetCenter(){
	var size=650;
	var id='BOX';
	var win=self;
	if(document.getElementById){//M,S,E5
		var h = document.all?win.document.documentElement.clientHeight:win.innerHeight;
		var n=(h-size)/2;n=(n<0)?0:n;
		document.getElementById(id).style.top=n+"px";
		document.getElementById(id).style.marginTop='0px';
	}else if(document.all){//E4???
		var n=(win.document.body.clientHeight-size)/2;n=(n<0)?0:n;
		document.all(id).style.pixelTop=n+"px";
		document.all(id).style.marginTop='0px';
	}else if(document.layers){//N4???
		var n=(win.innerHeight-size)/2;n=(n<0)?0:n;
		document.layers[id].moveTo(0,n);
	}
}
if(window.addEventListener) {
	window.addEventListener("resize", SetCenter, false);
}else if(window.attachEvent) {
	window.attachEvent("onresize", SetCenter);
}