document.write('<style type="text/css">#topimg{visibility:hidden;}#topimg .link_image{display:none;}</style>');

$(function() {

	// [main visual] a href
	var linkH2 = new Array(
		"/find/overviews.html",
		"/find/overviews.html",
		"/find/overviews.html"
	);
	// [main visual] img src
	var imgH2 = new Array(
		"/image/topimg/mainv.jpg",
		"/image/topimg/mainv.jpg",
		"/image/topimg/mainv.jpg"
	);
	// [246x170 banner] a href
	var linkBn = new Array(
		"/feel/specialissue/",
		"/feel/specialissue/",
		"/feel/specialissue/"
	);
	// [246x170 banner] img src
	var imgBn = new Array(
		"/image/topimg/linking_wf.jpg",
		"/image/topimg/linking_wf.jpg",
		"/image/topimg/linking_wf.jpg"
	);

	var domTpImg = $("#topimg");
	var domH2A   = $("h2 a");
	var domLkImg = $("#topimg .link_image");
	var domBnA   = $("#topimg .link_image a");
	var domBnImg = $("#topimg .link_image a img");
	var rndCnt   = Math.min(linkH2.length,imgH2.length,linkBn.length,imgBn.length);
	var rndNum   = Math.floor(Math.random() * rndCnt);

	if (rndCnt) {
		domH2A.attr("href",linkH2[rndNum]);
		domH2A.css("background-image","url("+imgH2[rndNum]+")");
	}
	domLkImg.show();
	if (rndCnt) {
		domBnA.attr("href",linkBn[rndNum]);
		domBnImg.attr("src",imgBn[rndNum]);
	}
	domTpImg.css("visibility","visible");

});