//ロールオーバー
function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
		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) {
		bt_headmenu_homeover = newImage("images/bt_headmenu_home_on.gif");
		bt_headmenu_01over = newImage("images/bt_headmenu_01_on.gif");
		bt_headmenu_02over = newImage("images/bt_headmenu_02_on.gif");
		bt_headmenu_03over = newImage("images/bt_headmenu_03_on.gif");
		bt_headmenu_04over = newImage("images/bt_headmenu_04_on.gif");
		bt_menu_01over = newImage("images/bt_menu01_on.gif");
		bt_menu_02over = newImage("images/bt_menu02_on.gif");
		bt_menu_03over = newImage("images/bt_menu03_on.gif");
		bt_menu_04over = newImage("images/bt_menu04_on.gif");
		preloadFlag = true;
	}
}


//別ウィンドウオープン
var html_file,winName;
function OpenWin(html_file,win_width,win_height){
	NewWin = window.open(html_file, "NewWin", "width="+win_width+",height="+win_height+",resizable=1, scrollbars=1");
	NewWin.focus();
}


//e-uni用ウィンドウオープン
function woeu(){window.open("http://euniup.toyo.ac.jp/up.html","unipawin","scrolling=yes,toolbar=no,location=no,directries=no,status=yes,menubar=no,scrollbars=yes,resizable=yes,width=800,height=600,left=100,top=50")}