<!--
ranimg = new Array();
ranimg[0] = "style/css/images/toppage/main_image_1.jpg";
ranimg[1] = "style/css/images/toppage/main_image_2.jpg";
ranimg[2] = "style/css/images/toppage/main_image_3.jpg";
ranimg[3] = "style/css/images/toppage/main_image_4.jpg";


ranurl = new Array();
ranurl[0] = "#";
ranurl[1] = "#";
ranurl[2] = "#";
ranurl[3] = "#";

chip = Math.floor(ranurl.length * Math.random());
document.write('<a href="'+ ranurl[chip] +'" target="_self"><img src="'+ ranimg[chip] +'" border="0"></a>');
// -->

