//検索フォーム
function setValue(id,sw){
	if (sw == 'on'){
		if (document.getElementById(id).value.indexOf('サイト内検索') > -1) {
			document.getElementById(id).style.color = '#666666';
			document.getElementById(id).value = '';
		}
	} else {
		if (document.getElementById(id).value == '') {
			document.getElementById(id).style.color = '#999999';
			document.getElementById(id).value = '>サイト内検索';
		}
	}
}

//画像切り替え
function swapImage(obj,url){
	obj.firstChild.src = url;
}

//画像読み込み
function preloadImages(imageName) {
	if (!document.images) return;
	var loadedImage = [];
	for (var i = 0; i < imageName.length; i++) {
		loadedImage[i] = new Image();
		loadedImage[i].src = imageName[i];
	}
}

var setImages = new Array(
'/collegeschool/20_se/shared/images/header_bt_01_on.gif',
'/collegeschool/20_se/shared/images/header_bt_02_on.gif',
'/collegeschool/20_se/shared/images/header_bt_03_on.gif',
'/collegeschool/20_se/shared/images/header_bt_04_on.gif',
'/collegeschool/20_se/shared/images/navi_bt_01_on.gif',
'/collegeschool/20_se/shared/images/navi_bt_02_on.gif',
'/collegeschool/20_se/shared/images/navi_bt_03_on.gif',
'/collegeschool/20_se/shared/images/navi_bt_04_on.gif',
'/collegeschool/20_se/shared/images/navi_bt_05_on.gif',
'/collegeschool/20_se/shared/images/navi_bt_06_on.gif',
'/collegeschool/20_se/shared/images/navi_bt_07_on.gif',
'/collegeschool/20_se/shared/images/navi_bt_08_on.gif');

preloadImages(setImages);

//新規ウィンドウ
function openWindow(url,wth,hgt){
	if(!wth){
		window.open(url,'_blank');
	}else{
		window.open(url,'_blank','width='+wth+',height='+hgt+',directories=no,location=no,menubar=no,toolbar=no');
	}
}