//head_navi onMouseOver -------------------------------------------

var imgLength = 5;
var mnOutImg=new Array(imgLength);
var mnOverImg=new Array(imgLength);

for(h=0;h<mnOutImg.length;h++){
	mnOutImg[h]=new Image();
	mnOutImg[h].src="img/common/mn"+h+"1.jpg";
	mnOverImg[h]=new Image();
	mnOverImg[h].src="img/common/mn"+h+"2.jpg";
}

function mnOver(posNum){
	document.images["mn"+posNum].src=mnOverImg[posNum].src;
}

function mnOut(posNum){
	document.images["mn"+posNum].src=mnOutImg[posNum].src;
}


//画像プリロード ---------------------------------------------------

var image0=new Image;
image0.src="img/common/bg_side_dt02.gif";

var image1=new Image;
image1.src="img/common/bg_side_dd02.gif";

var image2=new Image;
image2.src="img/common/bg_more_on.gif";

var image3=new Image;
image3.src="img/sitemap/bg_sitemap_on.gif";

var image4=new Image;
image4.src="img/sitemap/bg_pagemap_on.gif";

var image5=new Image;
image5.src="img/sitemap/bg_more_pagemap_on.gif";

var image6=new Image;
image6.src="img/common/bg_body.jpg";

var image7=new Image;
image7.src="img/common/bg_content.jpg";

var image8=new Image;
image8.src="img/sitemap/bg_website.jpg";


// 別ウインドウでリンクを開く--------------------------------------

function externalLinks() {
	if (!document.getElementsByTagName) return;   
	var anchors = document.getElementsByTagName("a");   
	for (var i=0; i<anchors.length; i++) {   
		var anchor = anchors[i];   
		if (anchor.getAttribute("href") &&   
		anchor.getAttribute("rel") == "external")
		anchor.target = "_blank";
	}
}
window.onload=externalLinks;