function menuOver() {
	this.src = this.src.replace(".gif", "_on.gif");
}
function menuOut() {
	this.src = this.src.replace("_on.gif", ".gif");
}

function imageOver(imgEl) {
	imgEl.src = imgEl.src.replace(".gif", "_on.gif");
}
function imageOut(imgEl) {
	imgEl.src = imgEl.src.replace("_on.gif", ".gif");
}
// content rating moving
function startRatingScroll() {
	setTimeout("slideRating()", 10);
}
function slideRating() {
	el = document.getElementById("content-rating-form");

	if (el.topPos == null || (el.isDone && el.isOn == false)) {
		el.isDone = false;
		el.topPos = 74;
		el.topTo = 0;
	} else if (el.isDone && el.isOn){
		el.isDone = false;
		el.topTo = 74;
	}
	if (Math.abs(el.topTo - el.topPos) > 1) {
		el.topPos += (el.topTo - el.topPos) / 8;
		el.style.top = el.topPos + "px";
		startRatingScroll();
	} else {
		if (el.topTo == 0) {
			el.isOn = true;
		} else {
			el.isOn = false;
		}
		el.topPos = el.topTo;
		el.style.top = el.topPos + "px";
		el.isDone = true;
	}
}
// cookie control
function setCookie(name, value, expires, path, domain, secure) {
	var curCookie = name + "=" + escape(value) +
		((expires) ? "; expires=" + expires.toGMTString() : "") +
		((path) ? "; path=" + path : "") +
		((domain) ? "; domain=" + domain : "") +
		((secure) ? "; secure" : "");
	document.cookie = curCookie;
}
function getCookie(name) {
	var dc = document.cookie;
	var prefix = name + "=";
	var begin = dc.indexOf("; " + prefix);
	if (begin == -1) {
		begin = dc.indexOf(prefix);
		if (begin != 0) return null;
	} else
		begin += 2;
	var end = document.cookie.indexOf(";", begin);
	if (end == -1)
		end = dc.length;
	return unescape(dc.substring(begin + prefix.length, end));
}
function deleteCookie(name, path, domain) {
	if (getCookie(name)) {
		document.cookie = name + "=" +
		((path) ? "; path=" + path : "") +
		((domain) ? "; domain=" + domain : "") +
		"; expires=Thu, 01-Jan-70 00:00:01 GMT";
	}
}
// font-size
function setFontSize(element, cookieName, interval) {
	current = getCookie(cookieName);
	if (current) {
		fsize = parseFloat(current) * parseFloat(interval);
	} else {
		fsize = 1 * parseFloat(interval);
	}
	element.style.fontSize = fsize + "em";
	element.style.lineHeight = "1.4em";
	setCookie(cookieName, fsize, "", "/");
}
function setDefaultFontSize(element, cookieName) {
	element.style.fontSize = "1em";
	deleteCookie('font-size', "/");
}