function toplayer() {
	if (navigator.userAgent.indexOf('Netscape') != -1) {
		a=document.body.clientWidth;
		document.getElementById("TopLayer").style.left=a/2-200;
		document.getElementById("TopLayer").style.top=200;
	} else {
		a=document.body.clientWidth;
		document.all.TopLayer.style.left = a/2-200;
		document.all.TopLayer.style.top = 200;
	}
}