var imgArray = new Array();
imgArray['img1'] = 'EBP09-51193A.jpg,../africa/tunis.php,世界遺産｜チュニス';
imgArray['img2'] = 'EBP09-10817A.jpg,../africa/marrakech.php,世界遺産｜マラケシュ';
imgArray['img3'] = 'EHP07-09560A.jpg,../africa/victoriafalls.php,世界遺産｜ビクトリアの滝';
imgArray['img4'] = 'ESP10-07165B.jpg,../africa/kirstenbosch.php,世界遺産｜ケープ植物区保護地域群';
imgArray['img5'] = 'EBP08-45563C.jpg,,世界遺産｜キリマンジャロ';
imgArray['img6'] = 'EBP10-22025A.jpg,../africa/ngorongoro.php,世界遺産｜ンゴロンゴロ自然保護区';

var objImg;
var imgFName;
var imgUrl;
var tempArray;
function imgRollover(objImg) {
	tempArray = null;
	imgFName = null;
	imgUrl = null;
	tempArray = imgArray[objImg].split(',');
	imgFName = tempArray[0];
	imgUrl = tempArray[1];
	imgAlt = tempArray[2];

	photoObj = '<img src="img/' + imgFName + '" alt="' + imgAlt + '" name="isan_topimage" width="301" height="240" border="0" usemap="#isan_topimageMap" id="isan_topimage" />';
	photoObj += '<map name="isan_topimageMap" id="isan_topimageMap">';
	if(imgUrl != ''){photoObj += '<area coords="169,204,290,232" shape="rect" href="' + imgUrl + '" />';}
	photoObj += '</map>';
	
	document.getElementById('isan_map_photo').innerHTML = photoObj;
	
}