<!--//ロードイメージ
function newImage(arg) {
if (document.images) {
rslt = new Image();
rslt.src = arg;
return rslt;
}
}

function changeImages() {
if (document.images && (preloadFlag == true)) {
for (var i=0; i<changeImages.arguments.length; i+=2) {
document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
}
}
}
var preloadFlag = false;

//プレロードイメージ
function preloadImages() {
if (document.images) {
profile_button_a = newImage("/images/profile_button_a.gif");
information_button_a = newImage("/images/information_button_a.gif");
log_button_a = newImage("/images/log_button_a.gif");
lesson_button_a = newImage("/images/lesson_button_a.gif");
bbs_button_a = newImage("/images/bbs_button_a.gif");
link_button_a = newImage("/images/link_button_a.gif");
preloadFlag = true;
}
}

//オープンウィンドウ
function OpenWindow( url, width, height, options, name ){
  if(!width) width = 550;
  if(!height) height = 580;
  if(!options) options = "scrollbars=yes,menubar=yes,toolbar=yes,location=yes,status=yes,resizable=yes";
  if(!name) name = "outsideSiteWindow";

  var newWin = window.open( url, name, "width=" + width + ",height=" + height + "," + options );
}
//-->