document.write("<div>");

// ¹è³Ê 1 ½º¹Ì°ñ¸ö¯µÇ±â
document.write("       <div id=\"bookBanner_box1\" class=\"sub_right_newslist_books\" style=\"display: none\">");
document.write("        	<a href=\"http://www.mtree.kr/product/product_detail.jsp?ProductNo=4594\" target='_blank'><img src=\"/images/banner/100830_healthbook.gif\" width=\"230\" height=\"130\" /></a>");
document.write("       </div>");


// ¹è³Ê 2 Ä®½·
document.write("       <div id=\"bookBanner_box2\" class=\"sub_right_newslist_books\" style=\"display: none\">");
document.write("        	<a href=\"http://www.mtree.kr/product/goodsList.jsp?MainID=21&SubID=77&LeafID=279#page2\" target='_blank'><img src=\"/images/banner/100707_healthbook.gif\" width=\"230\" height=\"130\" /></a>");
document.write("       </div>");


// ¹è³Ê 3 12ÁÖ Ã¼Áö¹æ ´ÙÀ̾îÆ®
document.write("       <div id=\"bookBanner_box3\" class=\"sub_right_newslist_books\" style=\"display: none\">");
document.write("        	<a href=\"http://www.mtree.kr/product/product_detail.jsp?ProductNo=3508\" target='_blank'><img src=\"/images/banner/100503_healthbook.gif\" width=\"230\" height=\"130\" /></a>");
document.write("       </div></div>");

document.write("</div>");

// ¹è³Ê 4 ÀåŸ
document.write("       <div id=\"bookBanner_box4\" class=\"sub_right_newslist_books\" style=\"display: none\">");
document.write("        	<a href=\"http://www.mtree.kr/product/product_detail.jsp?ProductNo=4009\" target='_blank'><img src=\"/images/banner/100628_healthbook.gif\" width=\"230\" height=\"130\" /></a>");
document.write("       </div></div>");

document.write("</div>");


var bookBannerCnt = 4;  // ¹è³Ê °¹¼ö (¹è³Ê °¹¼ö Á¶Á¤½Ã ¼ýÀÚ º¯°æ ¿ä¸Á)

function change_bookBanner(){

	var dipNum = Math.floor(Math.random()*bookBannerCnt+1);

	for(e=1;e<=bookBannerCnt;e++){

	document.getElementById('bookBanner_box'+e).style.display = 'none';

	}

	document.getElementById('bookBanner_box'+dipNum).style.display = 'block';

}

change_bookBanner();