var JpnorEng = location.href.indexOf('_e') == -1;

var ver4 = false;
var NN4  = false;
var IE4  = false;
var NN3  = false;
var imgNavi = new Array();

function imgChg(path){

	if(navigator.appVersion.charAt(0) >= 4)
		ver4 = true
	if(ver4 && navigator.appName == "Netscape")
		NN4 = true;
	if(ver4 && (navigator.appName.charAt(0) == "M"))
		IE4 = true;
	if((navigator.appVersion.charAt(0) <= "3") && (navigator.appName == "Netscape"))
		NN3 = true;
	var obj = (path =="" || path == null)?"":path;

	if(NN3 || NN4 || IE4){
		if(JpnorEng){
			// for japanese
			imgNavi[0] = new Image(300,30);  imgNavi[0].src = obj +"obj/navi01a.gif";
			imgNavi[1] = new Image(300,30);  imgNavi[1].src = obj +"obj/navi01b.gif";
			imgNavi[2] = new Image(300,30);  imgNavi[2].src = obj +"obj/navi02a.gif";
			imgNavi[3] = new Image(300,30);  imgNavi[3].src = obj +"obj/navi02b.gif";
			imgNavi[4] = new Image(300,30);  imgNavi[4].src = obj +"obj/navi03a.gif";
			imgNavi[5] = new Image(300,30);  imgNavi[5].src = obj +"obj/navi03b.gif";
			imgNavi[6] = new Image(300,30);  imgNavi[6].src = obj +"obj/navi04a.gif";
			imgNavi[7] = new Image(300,30);  imgNavi[7].src = obj +"obj/navi04b.gif";
			imgNavi[8] = new Image(300,30);  imgNavi[8].src = obj +"obj/navi05a.gif";
			imgNavi[9] = new Image(300,30);  imgNavi[9].src = obj +"obj/navi05b.gif";
			imgNavi[10] = new Image(300,30);  imgNavi[10].src = obj +"obj/navi06a.gif";
			imgNavi[11] = new Image(300,30);  imgNavi[11].src = obj +"obj/navi06b.gif";
			imgNavi[12] = new Image(300,30);  imgNavi[12].src = obj +"obj/navi07a.gif";
			imgNavi[13] = new Image(300,30);  imgNavi[13].src = obj +"obj/navi07b.gif";
			imgNavi[14] = new Image(300,30);  imgNavi[14].src = obj +"obj/navi08a.gif";
			imgNavi[15] = new Image(300,30);  imgNavi[15].src = obj +"obj/navi08b.gif";
			imgNavi[16] = new Image(175,133);  imgNavi[16].src = obj +"obj/fleet01a.gif";
			imgNavi[17] = new Image(175,133);  imgNavi[17].src = obj +"obj/fleet01b.gif";
			imgNavi[18] = new Image(175,133);  imgNavi[18].src = obj +"obj/fleet01c.gif";
			imgNavi[19] = new Image(175,133);  imgNavi[19].src = obj +"obj/fleet01d.gif";
			imgNavi[20] = new Image(175,133);  imgNavi[20].src = obj +"obj/fleet02a.gif";
			imgNavi[21] = new Image(175,133);  imgNavi[21].src = obj +"obj/fleet02b.gif";
			imgNavi[22] = new Image(175,133);  imgNavi[22].src = obj +"obj/fleet02c.gif";
			imgNavi[23] = new Image(175,133);  imgNavi[23].src = obj +"obj/fleet02d.gif";
			imgNavi[24] = new Image(175,133);  imgNavi[24].src = obj +"obj/fleet03a.gif";
			imgNavi[25] = new Image(175,133);  imgNavi[25].src = obj +"obj/fleet03b.gif";
			imgNavi[26] = new Image(175,133);  imgNavi[26].src = obj +"obj/fleet03c.gif";
			imgNavi[27] = new Image(175,133);  imgNavi[27].src = obj +"obj/fleet03d.gif";
			imgNavi[28] = new Image(175,133);  imgNavi[28].src = obj +"obj/fleet04a.gif";
			imgNavi[29] = new Image(175,133);  imgNavi[29].src = obj +"obj/fleet04b.gif";
			imgNavi[30] = new Image(175,133);  imgNavi[30].src = obj +"obj/fleet04c.gif";
			imgNavi[31] = new Image(175,133);  imgNavi[31].src = obj +"obj/fleet04d.gif";
			imgNavi[32] = new Image(175,133);  imgNavi[32].src = obj +"obj/fleet05a.gif";
			imgNavi[33] = new Image(175,133);  imgNavi[33].src = obj +"obj/fleet05b.gif";
			imgNavi[34] = new Image(175,133);  imgNavi[34].src = obj +"obj/fleet05c.gif";
			imgNavi[35] = new Image(175,133);  imgNavi[35].src = obj +"obj/fleet05d.gif";
		}else{
			// for english
			imgNavi[0] = new Image(300,30);  imgNavi[0].src = obj +"obj/navi01a.gif";
			imgNavi[1] = new Image(300,30);  imgNavi[1].src = obj +"obj/navi01b.gif";
			imgNavi[2] = new Image(300,30);  imgNavi[2].src = obj +"obj/navi02a.gif";
			imgNavi[3] = new Image(300,30);  imgNavi[3].src = obj +"obj/navi02b.gif";
			imgNavi[4] = new Image(300,30);  imgNavi[4].src = obj +"obj/navi03a.gif";
			imgNavi[5] = new Image(300,30);  imgNavi[5].src = obj +"obj/navi03b.gif";
			imgNavi[6] = new Image(300,30);  imgNavi[6].src = obj +"obj/navi04a.gif";
			imgNavi[7] = new Image(300,30);  imgNavi[7].src = obj +"obj/navi04b.gif";
			imgNavi[8] = new Image(300,30);  imgNavi[8].src = obj +"obj/navi05a.gif";
			imgNavi[9] = new Image(300,30);  imgNavi[9].src = obj +"obj/navi05b.gif";
			imgNavi[10] = new Image(300,30);  imgNavi[10].src = obj +"obj/navi06a.gif";
			imgNavi[11] = new Image(300,30);  imgNavi[11].src = obj +"obj/navi06b.gif";
			imgNavi[12] = new Image(300,30);  imgNavi[12].src = obj +"obj/navi07a.gif";
			imgNavi[13] = new Image(300,30);  imgNavi[13].src = obj +"obj/navi07b.gif";
			imgNavi[14] = new Image(300,30);  imgNavi[14].src = obj +"obj/navi08a.gif";
			imgNavi[15] = new Image(300,30);  imgNavi[15].src = obj +"obj/navi08b.gif";
			imgNavi[16] = new Image(175,133);  imgNavi[16].src = obj +"obj/fleet01a_e.gif";
			imgNavi[17] = new Image(175,133);  imgNavi[17].src = obj +"obj/fleet01b_e.gif";
			imgNavi[18] = new Image(175,133);  imgNavi[18].src = obj +"obj/fleet01c_e.gif";
			imgNavi[19] = new Image(175,133);  imgNavi[19].src = obj +"obj/fleet01d_e.gif";
			imgNavi[20] = new Image(175,133);  imgNavi[20].src = obj +"obj/fleet02a_e.gif";
			imgNavi[21] = new Image(175,133);  imgNavi[21].src = obj +"obj/fleet02b_e.gif";
			imgNavi[22] = new Image(175,133);  imgNavi[22].src = obj +"obj/fleet02c_e.gif";
			imgNavi[23] = new Image(175,133);  imgNavi[23].src = obj +"obj/fleet02d_e.gif";
			imgNavi[24] = new Image(175,133);  imgNavi[24].src = obj +"obj/fleet03a_e.gif";
			imgNavi[25] = new Image(175,133);  imgNavi[25].src = obj +"obj/fleet03b_e.gif";
			imgNavi[26] = new Image(175,133);  imgNavi[26].src = obj +"obj/fleet03c_e.gif";
			imgNavi[27] = new Image(175,133);  imgNavi[27].src = obj +"obj/fleet03d_e.gif";
			imgNavi[28] = new Image(175,133);  imgNavi[28].src = obj +"obj/fleet04a_e.gif";
			imgNavi[29] = new Image(175,133);  imgNavi[29].src = obj +"obj/fleet04b_e.gif";
			imgNavi[30] = new Image(175,133);  imgNavi[30].src = obj +"obj/fleet04c_e.gif";
			imgNavi[31] = new Image(175,133);  imgNavi[31].src = obj +"obj/fleet04d_e.gif";
			imgNavi[32] = new Image(175,133);  imgNavi[32].src = obj +"obj/fleet05a_e.gif";
			imgNavi[33] = new Image(175,133);  imgNavi[33].src = obj +"obj/fleet05b_e.gif";
			imgNavi[34] = new Image(175,133);  imgNavi[34].src = obj +"obj/fleet05c_e.gif";
			imgNavi[35] = new Image(175,133);  imgNavi[35].src = obj +"obj/fleet05d_e.gif";
		}
	}
}
function NaviIn(nam,num) {
	if(NN3 || NN4 || IE4){
		document.images[nam].src = imgNavi[num].src;
	}
}

function NaviOut(nam,num) {
	if(NN3 || NN4 || IE4){
		document.images[nam].src = imgNavi[num].src;
	}
}