$(document).ready(function(){
	// etiqueta lateral
		
		var name = "#etiqueta";
		var menuYloc = null;
		
		menuYloc = parseInt($(name).css("top").substring(0,$(name).css("top").indexOf("px")))
		$(window).scroll(function () {
		var offset = menuYloc+$(document).scrollTop()+"px";
		$(name).animate({top:offset},{duration:500,queue:false});
		});						   
});