//########image change+preload ########
	var img = new Array();

	img[11] = new Image();
	img[11].src="/images/common/menu_solution.gif";
	img[12] = new Image();
	img[12].src="/images/common/menu_solution_on.gif";

	img[21] = new Image();
	img[21] .src = "/images/common/menu_product.gif";
	img[22] = new Image();
	img[22] .src = "/images/common/menu_product_on.gif";

	img[31] = new Image();
	img[31] .src = "/images/common/menu_case.gif";
	img[32] = new Image();
	img[32] .src = "/images/common/menu_case_on.gif";

	img[41] = new Image();
	img[41] .src="/images/common/menu_news.gif";
	img[42] = new Image();
	img[42] .src="/images/common/menu_news_on.gif";

	img[51] = new Image();
	img[51] .src="/images/common/menu_aboutus.gif";
	img[52] = new Image();
	img[52] .src="/images/common/menu_aboutus_on.gif";

//imagesonoff
	function swapImg(name,num) {
		document.images[name].src = img[num].src;
	}

//######## select link ########

function selectLanguage(){
	if (document.language.elements[0].selectedIndex == 0){
		location.href = "/";
	}else if(document.language.elements[0].selectedIndex == 1){
		location.href = "/en/";
		//w_open("/en/",'','')
	}
}

//######## page go top ########
var y = 0;
var ny = 0;
var speed = 0;
var scrollSize =0.8;

function gotop(){
	var rep = setTimeout("gotop()", speed)
	
	// スクロール位置をチェック（IE用）
	 if(document.all){
		y = document.body.scrollTop;
 	}
	// スクロール位置をチェック（NN用）
	 else if(document.layers || document.getElementById){
		y = pageYOffset;
		
	 }

	 if(ny == y){ // スクロールし終わっていたら処理を終了
 		clearTimeout(rep);
	 }
	 else{
		ny = y;
	 }

	 y = y *0.8 ;
	window.scrollTo(0,y); // スクロール処理
}


//######## window open ########

function w_open(theURL,winName,features) {
	wObj=window.open(theURL,winName,features);
	wObj.focus();
}