var name = "#floatMenu";
var menuYloc = null;
jQuery(document).ready(function() {
	$("body").append("<div id='floatMenu' style='color:#cc0000'><div>");
	var str="<MARQUEE WIDTH='160px' scrolldelay='100' direction='up' behavior='alternate'>本月优惠价<br/><br/>&nbsp;&nbsp;4000元</MARQUEE>";
	jQuery(name).html(str);
	
	menuYloc = parseInt(jQuery(name).css("top").substring(0, jQuery(name).css("top").indexOf("px")))
	jQuery(window).scroll(function() {
		offset = menuYloc + jQuery(document).scrollTop() + "px";
		jQuery(name).animate({ top: offset }, { duration: 500, queue: false });
	});
});