浏览器兼容问题 chrome iframe location href

报了个错

var dt2=new Date(d2Arr[0],d2Arr[1],d2Arr[2]);
    if(dt1>dt2){//比较日期
       alert("开始日期不能晚于结束日期!");
       return;
    }
    //解了个觉
    var userAgent = navigator.userAgent; //取得浏览器的userAgent字符串
    if (userAgent.indexOf("Chrome") > -1){//chrome浏览器
    	baobiao.src='../ReportEmitter?rpt=<%=rpt%>.brt&params=<%=canshu%>start_time='+ start_time.value+ ';end_time='+ end_time.value+ ';deptcodevalue=' + deptcodevalueyw;
 	}else{//其他浏览器
	 	baobiao.location.href='../ReportEmitter?rpt=<%=rpt%>.brt&params=<%=canshu%>start_time='+ start_time.value+ ';end_time='+ end_time.value+ ';deptcodevalue=' + deptcodevalueyw;
 	}
    
}
	</script>
	<div>
		<iframe id="baobiao" href="" frameBorder=0 scrolling=no width="100%" height="100%" src="../ReportEmitter?rpt=<%=rpt%>.brt&params=<%=canshu%>"></iframe>
	</div>