function imgSelect(){
	var dir;
	var targetimg = document.body.className;
	switch(document.body.className){
	case "":	break;
	default:	if(targetimg == "home"){
					dir = "shared/img/";
				}else if(targetimg == "search"){
					dir = "/english/shared/img/";
					break;
				}else if(targetimg == "mail_form"){
					dir = "/english/shared/img/";
					break;
				}else if(document.body.id == "thirdlevel"){
					dir = "../../shared/img/";
				}else{
					dir = "../shared/img/";
				}
				document.images[targetimg].src = dir+"gmenu_"+targetimg+"_on.gif";
				break;
	}
}

var gmenu_home_img = new Image();
var gmenu_about_img = new Image();
var gmenu_training_img = new Image();
var gmenu_technical_img = new Image();
var gmenu_international_img = new Image();
var gmenu_other_img = new Image();
var amenu_sitemap_img = new Image();
var amenu_inquiry_img = new Image();
var amenu_links_img = new Image();
var amenu_glossary_img = new Image();
var chlang_japanese_img = new Image();

function preLoad(){
	var dir;
	var bodyname = document.body.className;
	if(bodyname == "home"){
		dir = "shared/img/";
	}else if(bodyname == "search"){
		dir = "/english/shared/img/";
	}else if(bodyname == "mail_form"){
		dir = "/english/shared/img/";
	}else if(document.body.id == "thirdlevel"){
		dir = "../../shared/img/";
	}else{
		dir = "../shared/img/";
	}
//	alert("preLoad Start! （dir:"+dir+"）");
	gmenu_home_img.src = dir+"gmenu_home_on.gif";
	gmenu_about_img.src = dir+"gmenu_about_on.gif";
	gmenu_training_img.src = dir+"gmenu_training_on.gif";
	gmenu_technical_img.src = dir+"gmenu_technical_on.gif";
	gmenu_international_img.src = dir+"gmenu_international_on.gif";
	gmenu_other_img.src = dir+"gmenu_other_on.gif";
	amenu_sitemap_img.src = dir+"amenu_sitemap_on.gif";
	amenu_inquiry_img.src = dir+"amenu_inquiry_on.gif";
	amenu_links_img.src = dir+"amenu_links_on.gif";
	amenu_glossary_img.src = dir+"amenu_glossary_on.gif";
	chlang_japanese_img.src = dir+"amenu_japanese_on.gif";
//	alert("preLoad End! （dir:"+dir+"）");
//	alert(gmenu_home_img.src);
	
	imgSelect();
}


function rollOver(menuname, name, onoff){
	var dir;
	var bodyname = document.body.className;
	if(bodyname == "home"){
		dir = "shared/img/";
	}else if(bodyname == "search"){
		dir = "/english/shared/img/";
	}else if(bodyname == "mail_form"){
		dir = "/english/shared/img/";
	}else if(document.body.id == "thirdlevel"){
		dir = "../../shared/img/";
	}else{
		dir = "../shared/img/";
	}
	if(name != bodyname){
		document.images[name].src = dir+menuname+"_"+name+"_"+onoff+".gif";
	}
}

function mapChange(imgname,filename1,filename2){
	var dir = "img/"+filename1+"_"+filename2+".gif";
	var targetimg = imgname;
	document.images[targetimg].src = dir;
}