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;


//Load img --------------------------------------------------------------

var image0=new Image;
image0.src="img/top/bg_whatsnew.jpg";

var image1=new Image;
image1.src="img/top/menu/bg_head.jpg";

var image2=new Image;
image2.src="img/top/visual_ramen.jpg";

var image3=new Image;
image3.src="img/top/bg_blog.jpg";

var image4=new Image;
image4.src="img/top/menu/bg_btmmenu_on.gif";

var image5=new Image;
image5.src="img/top/menu/bg_body.jpg";



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

	var imgLength = 6;
	var mnoutImg=new Array(imgLength);
	var mnovrImg=new Array(imgLength);

	for(h=0;h<mnoutImg.length;h++){
		mnoutImg[h]=new Image();
		mnoutImg[h].src="img/top/menu/mn"+h+"_of.jpg";
		mnovrImg[h]=new Image();
		mnovrImg[h].src="img/top/menu/mn"+h+"_on.jpg";
	}

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

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


//go_blog onMouseOver ---------------------------------------------------

	var imgLength = 7;
	var go_blogoutImg=new Array(imgLength);
	var go_blogovrImg=new Array(imgLength);

	for(h=0;h<go_blogoutImg.length;h++){
		go_blogoutImg[h]=new Image();
		go_blogoutImg[h].src="img/top/menu/go_blog"+h+"_of.jpg";
		go_blogovrImg[h]=new Image();
		go_blogovrImg[h].src="img/top/menu/go_blog"+h+"_on.jpg";
	}

	function go_blogovr(posNum){
		document.images["go_blog"+posNum].src=go_blogovrImg[posNum].src;
	}

	function go_blogout(posNum){
		document.images["go_blog"+posNum].src=go_blogoutImg[posNum].src;
	}