//
// SmartRollover
//

(function(onLoad) {
    try {
        window.addEventListener('load', onLoad, false);
    } catch (e) {
        window.attachEvent('onload', onLoad);
    }
})(function() {
    var over = function() { this.src = this.src.replace('_off.', '_on.'); };
    var out  = function() { this.src = this.src.replace('_on.', '_off.'); };
    var img = document.getElementsByTagName('img');
    for (var i = 0, l = img.length; i < l; i++) {
        if (!img[i].src.match(/_off\./)) continue;
        img[i].onmouseover = over;
        img[i].onmouseout  = out;
    }
});



//
// ページトップへ
//

function slowdownScroll() {
if(navigator.appName == "Microsoft Internet Explorer" && document.compatMode == "CSS1Compat") {
sctop = document.body.parentNode.scrollTop;
}
else if(window.pageYOffset){
sctop = window.pageYOffset;
} else {
sctop = document.body.scrollTop;
}

if(sctop){
scup = Math.ceil(sctop*.2);
scrollBy(0,-scup);
if (sctop-scup) setTimeout("slowdownScroll()",10);
}
}



//
// 別窓表示
//

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}