function casestudy() {
	jumpURL = new Array();
	imgURL  = new Array();
	caseSite  = new Array();

	jumpURL[0] = "/casestudies/toei.html";
	jumpURL[1] = "/casestudies/the-body-shop.html";
	jumpURL[2] = "/casestudies/servcorp.html";
	jumpURL[3] = "/casestudies/toyako-summit.html";
	jumpURL[4] = "/casestudies/arita-sampo.html";

	imgURL[0] = "/i/casestudies/toei.jpg";
	imgURL[1] = "/i/casestudies/the-body-shop.jpg";
	imgURL[2] = "/i/casestudies/servcorp.jpg";
	imgURL[3] = "/i/casestudies/toyako-summit.jpg";
	imgURL[4] = "/i/casestudies/arita-sampo.jpg";

	caseSite[0]  = "東京都交通局";
	caseSite[1]  = "ザ・ボディショップ";
	caseSite[2]  = "サーブコープ";
	caseSite[3]  = "洞爺湖サミット";
	caseSite[4]  = "ありたさんぽ";


	n = Math.floor(Math.random()*jumpURL.length);

document.getElementById("SlideImg").innerHTML = "<a href='"+jumpURL[n]+"'><img src='"+imgURL[n]+"' id='ThumbmailImage' name='ThumbmailImage' width='136' height='106' alt='" + caseSite[n] + "' /></a>";
document.getElementById("ThumbmailCaption").innerHTML = caseSite[n];


//	setTimeout("casestudy()",5000);

}