//テキストサイズ変更スクリプト

function fontChange(str){
	var targetFile;
	switch(str){
	case "small":
		targetFile="./css/font-small.css";
	break;
	case "medium":
		targetFile="./css/font-middle.css";
	break;
	case "big":
		targetFile="./css/font-large.css";
	break;
	default:
		alert("error");
	break;
	}

	document.cookie="fontstyle="+targetFile+";path=/;";
	window.location.reload();
}


var name="fontstyle";
var cookie=document.cookie;
if(-1==cookie.indexOf(name)){
	var file='./css/font-middle.css';
}else{
	var pos_s=cookie.indexOf(name)+name.length+1;
	var pos_e=cookie.indexOf(";",pos_s);
	if(-1==pos_e){
		var file=cookie.slice(pos_s);
	}else{
		var file=cookie.slice(pos_s,pos_e);
	}
}
document.write('<link rel="stylesheet" type="text/css" href="'+file+'" />');


//ロールオーバースクリプト

function initRollovers() {
if (!document.getElementById) return

var aPreLoad = new Array();
var sTempSrc;
var aImages = document.getElementsByTagName('img');

for (var i = 0; i < aImages.length; i++) { 
if (aImages[i].className == 'img-hover') {
var src = aImages[i].getAttribute('src');
var ftype = src.substring(src.lastIndexOf('.'), src.length);
var hsrc = src.replace(ftype, '_hover'+ftype);

aImages[i].setAttribute('hsrc', hsrc);

aPreLoad[i] = new Image();
aPreLoad[i].src = hsrc;

aImages[i].onmouseover = function() {
sTempSrc = this.getAttribute('src');
this.setAttribute('src', this.getAttribute('hsrc'));
} 

aImages[i].onmouseout = function() {
if (!sTempSrc) sTempSrc = this.getAttribute('src').replace('_hover'+ftype, ftype);
this.setAttribute('src', sTempSrc);
}
}
}
}

window.onload = initRollovers;