function OpenWin(url){
	window.open(url,'window1','toolbar=no,menubar=yes,resizable=yes,width=360,height=320');
}
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;
function preloadImages() {
	if (document.images) {
		top_ssi_login_over = newImage("img/top_ssi_login-over.gif");
		top_ssi_help_over = newImage("img/top_ssi_help-over.gif");
		top_menu_mark1_over = newImage("img/top_menu_mark-over.gif");
		top_menu_mark2_over = newImage("img/top_menu_mark-over.gif");
		top_menu_mark3_over = newImage("img/top_menu_mark-over.gif");
		about_menu_over = newImage("img/about_menu-over.gif");
		news_menu_over = newImage("img/news_menu-over.gif");
		event_menu_over = newImage("img/event_menu-over.gif");
		doc_menu_over = newImage("img/doc_menu-over.gif");
		link_menu_over = newImage("img/link_menu-over.gif");
		wg_menu_over = newImage("img/wg_menu-over.gif");
		preloadFlag = true;
		itssug_1_over = newImage("img/itssug_1-over.gif");
		itssug_2_over = newImage("img/itssug_2-over.gif");
		itssug_3_over = newImage("img/itssug_3-over.gif");
		news_1_over = newImage("news/img/news_1-over.gif");
		news_2_over = newImage("news/img/news_1-over.gif");
		event_1_over = newImage("news/img/event_1-over.gif");
		event_2_over = newImage("news/img/event_2-over.gif");
	}
}

//*プルダウンリンク*//
function pageLink(selObj,restore){ //v3.0
  eval("location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}