$(document).ready(function(){
	$("body").append('<div id="on1x_gotop" style="position:fixed;bottom:20px;right:10px;background:#40e0fa;padding:5px 15px;display:none;border:0;z-index:9999;"><a href="javascript:;" style="color:#011f27;text-decoration:none;">наверх &uArr;</a></div>');
	$("#on1x_gotop").click(function(){
		$("html:not(:animated)" +( !$.browser.opera ? ",body:not(:animated)" : "")).animate({ scrollTop: 0}, 500 );
	});
	$(window).scroll(function () {
		offset = $(document).scrollTop()+"px";
		if("0px"==offset){
			$("#on1x_gotop").css("display","none");
		}
		else{
			$("#on1x_gotop").css("display","block");
		}
	});
});