function PreIMG(n){
//	var myDir = 'img/';
	if(n==1){ myDir = '../img/'; }
	else if(n=="hp"){ myDir = '/img/'; }
	else { myDir = 'img/'; }

	mula = new Image();	mula.src = myDir + "header_multi_btn01.jpg";
	mula2 = new Image();	mula2.src = myDir + "header_multi_btn01_f2.jpg";
	mulb = new Image();	mulb.src = myDir + "header_multi_btn02.jpg";
	mulb2 = new Image();	mulb2.src = myDir + "header_multi_btn02_f2.jpg";
	mulc = new Image();	mulc.src = myDir + "header_multi_btn03.jpg";
	mulc2 = new Image();	mulc2.src = myDir + "header_multi_btn03_f2.jpg";
	muld = new Image();	muld.src = myDir + "header_multi_btn04.jpg";
	muld2 = new Image();	muld2.src = myDir + "header_multi_btn04_f2.jpg";
	mule = new Image();	mule.src = myDir + "header_multi_btn05.jpg";
	mule2 = new Image();	mule2.src = myDir + "header_multi_btn05_f2.jpg";
	contact = new Image();	contact.src = myDir + "contact_us.gif";
	contact2 = new Image();	contact2.src = myDir + "contact_us_ov.gif";
	japanese = new Image();	japanese.src = myDir + "japanese_page.gif";
	japanese2 = new Image();	japanese2.src = myDir + "japanese_page_ov.gif";
}

function mv(imageID,imageName) {
	document.images[imageID].src = eval(imageName + ".src");
}