function muestraaudiosmasescuchados(sUrl){
		if(sUrl != ""){
		Dialog.info(" ", {width:250, height:100, showProgress: true});
			new Ajax.Request(sUrl, {
			  method: 'get',
			  onComplete: function(o) {
			  
					$('ajaxcontentarea').innerHTML = o.responseText;
					Dialog.closeInfo();
			  }
			});	
		}
}