var Netscape4 = (navigator.appName == "Netscape" && navigator.appVersion.substring(0,1) >= "4");
var Explorer4 = (navigator.appName == "Microsoft Internet Explorer" && navigator.appVersion.substring(0,1) >= "4");

function PositionImage() {
	if (Netscape4) { 
		document.layers.lsp_image.top = top.pageYOffset+200;
	}
	else if (Explorer4) { 
		document.all("lsp_image").style.top=document.body.scrollTop+200;
	}
	return true;
}