// Rollover 特效開始

// Summary: 預先載入影像
function NavPreload() {
	var navi_img = new Array(8);
	
	for (var i = 0; i < navi_img.length; i++) {
		navi_img[i] = new Image();
		navi_img[i].src = "images/navhov0" + (i + 1) + ".png";
	}
}

function NavRollover(number, rollback) {
	if (!rollback) {
		document[("nav0" + number)].src = "images/navhov0" + number + ".png";
	} else {
		document[("nav0" + number)].src = "images/nav0" + number + ".png";
	}
}

function NavGoto(url) {
	window.location = "redirect.asp?target=" + url;
}

// Rollover 特效結束。

// 公告彈出特效開始。

// Summary: 包裝 window.open
function DisplayAnnounce(announceId){
	window.open("announce.htm?id=" + announceId, "announceWindow", "width=350, height=400, titlebar=no, toolbar=no, scrollbars=no, location=no, status=no, menubar=no, left=200, top=100", true)
}

// 公告彈出特效結束。