<!--
var roll = Array(12);
roll[0]=new Image();roll[0].src="image/top_img/corp1.gif";
roll[1]=new Image();roll[1].src="image/top_img/btn_corp_on_01.gif";
roll[2]=new Image();roll[2].src="image/top_img/corp2.gif";
roll[3]=new Image();roll[3].src="image/top_img/btn_corp_on_02.gif";
roll[4]=new Image();roll[4].src="image/top_img/corp3.gif";
roll[5]=new Image();roll[5].src="image/top_img/btn_corp_on_03.gif";
roll[6]=new Image();roll[6].src="image/top_img/btn_serv_01.gif";
roll[7]=new Image();roll[7].src="image/top_img/btn_serv_on_01.gif";
roll[8]=new Image();roll[8].src="image/top_img/btn_serv_02.gif";
roll[9]=new Image();roll[9].src="image/top_img/btn_serv_on_02.gif";
roll[10]=new Image();roll[10].src="image/top_img/btn_serv_03.gif";
roll[11]=new Image();roll[11].src="image/top_img/btn_serv_on_03.gif";
roll[12]=new Image();roll[12].src="image/top_img/saiyo1.gif";
roll[13]=new Image();roll[13].src="image/top_img/btn_rec_on_01.gif";
roll[14]=new Image();roll[14].src="image/top_img/saiyo2.gif";
roll[15]=new Image();roll[15].src="image/top_img/btn_rec_on_02.gif";
roll[16]=new Image();roll[16].src="image/top_img/btn_info_01.gif";
roll[17]=new Image();roll[17].src="image/top_img/btn_info_on_01.gif";
roll[18]=new Image();roll[18].src="image/top_img/btn_info_02.gif";
roll[19]=new Image();roll[19].src="image/top_img/btn_info_on_02.gif";
roll[20]=new Image();roll[20].src="image/top_img/btn_info_03.gif";
roll[21]=new Image();roll[21].src="image/top_img/btn_info_on_03.gif";
roll[22]=new Image();roll[22].src="image/top_img/btn_news.gif";
roll[23]=new Image();roll[23].src="image/top_img/btn_news_on.gif";
roll[24]=new Image();roll[24].src="image/top_img/btn_env.gif";
roll[25]=new Image();roll[25].src="image/top_img/btn_env_on.jpg";
roll[26]=new Image();roll[26].src="en/image/top_img/btn_english.gif";
roll[27]=new Image();roll[27].src="en/image/top_img/btn_english_on.gif";

function botan(ry2,ry1){
   document.images[ry1].src=roll[ry2].src
}

//-->