$(function(){
	$("#key_navi_01 a").mouseover(function(){
	 $("#top_main a").attr("href","service/denshika.html");
	 $("#top_main img").attr("src","common/images/toppage/main_img_01_off.jpg");
	})
	$("#key_navi_02 a").mouseover(function(){
	 $("#top_main a").attr("href","campaign/campaign_02.html");
	 $("#top_main img").attr("src","common/images/toppage/main_img_02_off.jpg");
	})
	$("#key_navi_03 a").mouseover(function(){
	 $("#top_main a").attr("href","campaign/campaign.html");
	 $("#top_main img").attr("src","common/images/toppage/main_img_03_off.jpg");
	})





$("#key_navi_02 a").mouseover(function(){
	 $("#key_img [class]").attr("class","key_img_02");
	 $("#key_img img").attr("src","common/images/top/key_02.jpg");
					  
	 })
	$("#key_navi_03 a").mouseover(function(){
	 $("#key_img [class]").attr("class","key_img_03");
	 $("#key_img img").attr("src","common/images/top/key_03.jpg");
	 })
	$("#key_navi_04 a").mouseover(function(){
	 $("#key_img [class]").attr("class","key_img_04");
	 $("#key_img img").attr("src","common/images/top/key_04.jpg");
	 })
	$("#key_navi_05 a").mouseover(function(){
	 $("#key_img [class]").attr("class","key_img_05");
	 $("#key_img img").attr("src","common/images/top/key_05.jpg");
	 })
	

})