// マウスオーバーで画像切り替え

var outImgName = "_off";
var overImgName = "_on";
var preload = new Array();

function imgChange(){

if(document.getElementsByTagName){
var imgTagData = document.getElementsByTagName("img");
var reOverImg = new RegExp(outImgName + "+(\.[a-z]+)$");
var reOutImg = new RegExp(overImgName + "+(\.[a-z]+)$");

for(i=0; i<imgTagData.length; i++){
if(imgTagData[i].getAttribute("src").match(reOverImg)){
preload[i] = new Image();
preload[i].src = imgTagData[i].getAttribute("src").replace(reOverImg, overImgName + "$1");

imgTagData[i].onmouseover = function() {
this.setAttribute("src", this.getAttribute("src").replace(reOverImg, overImgName + "$1"));
}

imgTagData[i].onmouseout = function() {
this.setAttribute("src", this.getAttribute("src").replace(reOutImg, outImgName + "$1"));
}
}
}
}
}

// サブウィンドウを開く
function subWin(url){
window.open(url, "window_name", "width=760,height=600,scrollbars=yes");
}

// サブウィンドウを開く_セミナー・シンポジウム
function seminarEntry(url){
window.open(url, "request", "width=760,height=600,scrollbars=yes");
document.main.submit();
}