function spBanner(){

link = new Array();
img = new Array();
// バナーリンク先
link[0] = "http://www.osagashi-kaigo.com/pr.php?UID=care0602&URL=http://www.osagashi-kaigo.com/care/";
/*
link[1] = "http://www.osagashi-kaigo.com/pr.php?UID=howto&URL=http://www.osagashi-kaigo.com/howto/";
*/
// バナー画像
img[0] = "/img/sp2.gif' width='590' height='90' border='0'";
/*
img[1] = "/img/sp0.gif' width='590' height='90' border='0'";
*/
n = Math.floor(Math.random()*link.length);
document.write("<A href='"+link[n]+"'>");
document.write("<IMG src='"+img[n]+"' border='0'>");
document.write("</A>");
}