document.write("<STYLE TYPE='text/css'>")

now=new Date();
h=now.getHours();


if((0<=h)&&(h<1))
document.write("#banner-img{background:url(http://taroty.cocolog-nifty.com/top_02.jpg) no-repeat left top;}");
else
document.write("#banner-img{background:url(http://taroty.cocolog-nifty.com/top_01.jpg) no-repeat left top;}");

document.write("</STYLE>");