// JavaScript Document
/**
* ページトップへ戻る関数
*/
function backToTop() {
var x1 = x2 = x3 = 0;
var y1 = y2 = y3 = 0;
if (document.documentElement) {
x1 = document.documentElement.scrollLeft || 0;
y1 = document.documentElement.scrollTop || 0;
}
if (document.body) {
x2 = document.body.scrollLeft || 0;
y2 = document.body.scrollTop || 0;
}
x3 = window.scrollX || 0;
y3 = window.scrollY || 0;
var x = Math.max(x1, Math.max(x2, x3));
var y = Math.max(y1, Math.max(y2, y3));
window.scrollTo(Math.floor(x / 2), Math.floor(y / 2));
if (x > 0 || y > 0) {
window.setTimeout("backToTop()", 25);
}
}
/**
* ロールオーバー関数
*/
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 == 'imgover') {
var src = aImages[i].getAttribute('src');
var ftype = src.substring(src.lastIndexOf('.'), src.length);
var hsrc = src.replace(ftype, '_on'+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('_on'+ftype, ftype);
this.setAttribute('src', sTempSrc);
}
}
}
}
window.onload = initRollovers;
/**
* ウィンドウを開く
*/
function openWin(){
window.open(window.location.href,"printWindow");
}
function subwin(){
window.close(); // サブウィンドウを閉じる
}
/**
* 画像サイズと合ったポップアップウィンドウを開く関数
* @param src string ポップアップ表示する画像
*/
function openImageSizedWindow(src){
var i = new Image();
i.onload = function() {
var pop_win = window.open(
"",
"_blank",
"width="+i.width+",height="+i.height+",scrollbars=no,resizable=yes"
);
if ( pop_win ) {
pop_win.window.document.open();
pop_win.window.document.write(
''
+''+i.alt+''
+''
+'
'
+''
+''
);
pop_win.window.document.close();
} else {
location.href = i.src;
}
i.onload = function(){};
}
i.src = src;
}