var IE3 = (navigator.appVersion.charAt(0)>=3 && (navigator.appVersion).indexOf("MSIE") != -1);
var IE4 = (navigator.appVersion.charAt(0)>=4 && (navigator.appVersion).indexOf("MSIE") != -1);
var NS3 = (navigator.appVersion.charAt(0)>=3 && (navigator.appName).indexOf("Netscape") != -1);
var NS4 = (navigator.appVersion.charAt(0)>=4 && (navigator.appName).indexOf("Netscape") != -1);
var OP8 = (navigator.appVersion.charAt(0)>=8 && (navigator.appName).indexOf("Opera") != -1);

if(IE4 || NS3 || OP8){

	var img_0a = new Image();var img_0b = new Image();
	var img_1a = new Image();var img_1b = new Image();
	var img_2a = new Image();var img_2b = new Image();
	var img_3a = new Image();var img_3b = new Image();
	var img_4a = new Image();var img_4b = new Image();
	var img_5a = new Image();var img_5b = new Image();
	var img_6a = new Image();var img_6b = new Image();
	var img_7a = new Image();var img_7b = new Image();
	var img_8a = new Image();var img_8b = new Image();
	var img_9a = new Image();var img_9b = new Image();
	var img_10a = new Image();var img_10b = new Image();var img_10c = new Image();var img_10d = new Image();
	var img_11a = new Image();var img_11b = new Image();var img_11c = new Image();var img_11d = new Image();
	var img_12a = new Image();var img_12b = new Image();var img_12c = new Image();var img_12d = new Image();
	var img_13a = new Image();var img_13b = new Image();var img_13c = new Image();var img_13d = new Image();
	var img_14a = new Image();var img_14b = new Image();var img_14c = new Image();var img_14d = new Image();
	var img_15a = new Image();var img_15b = new Image();var img_15c = new Image();var img_15d = new Image();
	var img_16a = new Image();var img_16b = new Image();var img_16c = new Image();var img_16d = new Image();

	img_0a = "./images/bt_home.gif";img_0b = "./images/bt_home2.gif";
	img_1a = "./images/bt_otoi.gif";img_1b = "./images/bt_otoi2.gif";
	img_2a = "./images/bt_about.gif";img_2b = "./images/bt_about2.gif";
	img_3a = "./images/bt_works.gif";img_3b = "./images/bt_works2.gif";
	img_4a = "./images/bt_links.gif";img_4b = "./images/bt_links2.gif";
	//img_5a = "./images/c5_a.gif";img_5b = "./images/c5_b.gif";
	img_6a = "./images/bt_whatsnew.gif";img_6b = "./images/bt_whatsnew2.gif";
	img_7a = "../images/bt_otoi.gif";img_7b = "../images/bt_otoi2.gif";
	//img_8a = "./images/s3_a.gif";img_8b = "./images/d3_b.gif";
	//img_9a = "./images/s4_a.gif";img_9b = "./images/s4_b.gif";
	img_10a = "./images/bmc_aisats1.gif";img_10b = "./images/bmc_aisats2.gif";img_10c = "../images/bmc_aisats1.gif";img_10d = "../images/bmc_aisats2.gif";
	img_11a = "./images/bmc_gaiyou1.gif";img_11b = "./images/bmc_gaiyou2.gif";img_11c = "../images/bmc_gaiyou1.gif";img_11d = "../images/bmc_gaiyou2.gif";
	img_12a = "./images/bmc_annai1.gif";img_12b = "./images/bmc_annai2.gif";img_12c = "../images/bmc_annai1.gif";img_12d = "../images/bmc_annai2.gif";
	img_13a = "./images/bmc_keireki1.gif";img_13b = "./images/bmc_keireki2.gif";img_13c = "../images/bmc_keireki1.gif";img_13d = "../images/bmc_keireki2.gif";
	img_14a = "./images/bmc_sakuhin1.gif";img_14b = "./images/bmc_sakuhin2.gif";img_14c = "../images/bmc_sakuhin1.gif";img_14d = "../images/bmc_sakuhin2.gif";
	img_15a = "./images/bmc_dkanri1.gif";img_15b = "./images/bmc_dkanri2.gif";img_15c = "../images/bmc_dkanri1.gif";img_15d = "../images/bmc_dkanri2.gif";
	img_16a = "./images/bmc_cad1.gif";img_16b = "./images/bmc_cad2.gif";img_16c = "../images/bmc_cad1.gif";img_16d = "../images/bmc_cad2.gif";

}
function ImgChange(Target,ImgCheck) { if(IE4 || NS3 || OP8){ document.images[Target].src = eval(ImgCheck); } }

function openWin(url){

window.open(url,"_blank",'toolbar=yes,menuber=no,directories=no,location=no,status=no,scrollbars=yes,resizable=yes,left=0,top=0,height=450,width=550');
}