帮看看下面这代码怎么改字体大小?
document.write("您是第");
document.write ("<a href='../' target='_blank' title='网站访问量计数器&#13&#10总访问量：<%=count%>'>");
document.write (javastr);
document.write ("</a>");
document.write("位访客");

昏，``
...
document.write("<font size=2 color=red>");
document.write ("你好");
document.write("</font>");
...