mac=(navigator.appVersion.indexOf('Mac')!=-1)?true:false;
ie=(navigator.appName.charAt(0) == "M")?true:false;
document.write("<style type='text/css'><!--")
if(mac){
	document.write(".size10{font-size:10px; line-height:16px;}")
	document.write(".size12{font-size:12px; line-height:20px;}")
	document.write(".size10n{font-size:10px;}")
	document.write(".size12n{font-size:12px}")
}
else{
	if(ie){
		document.write(".size10{font-size:xx-small; line-height:140%;}")
		document.write(".size12{font-size:x-small; line-height:130%;}")
		document.write(".size10n{font-size:xx-small;}")
		document.write(".size12n{font-size:x-small;}")
	}
	else{
		document.write(".size10{font-size:x-small; line-height:150%;}")
		document.write(".size12{font-size:small; line-height:140%;}")
		document.write(".size10n{font-size:x-small;}")
		document.write(".size12n{font-size:small;}")

	}
}
document.write("a:link {color:#6C61AD; text-decoration: underline}")
document.write("a:visited {color:#6C61AD; text-decoration: underline}")
document.write("a:hover {color:#00CC00; text-decoration: underline}")
document.write("--></style>");

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) {
		navibt01_o = newImage("img/navibt01_o.gif");
		navibt02_o = newImage("img/navibt02_o.gif");
		navibt03_o = newImage("img/navibt03_o.gif");
		navibt04_o = newImage("img/navibt04_o.gif");
		navibt05_o = newImage("img/navibt05_o.gif");
		navibt06_o = newImage("img/navibt06_o.gif");
		hdnavibt01_o = newImage("img/hdnavibt01_o.gif");
		hdnavibt02_o = newImage("img/hdnavibt02_o.gif");
		hdnavibt03_o = newImage("img/hdnavibt03_o.gif");
		hdnavibt04_o = newImage("img/hdnavibt04_o.gif");
		hdnavibt05_o = newImage("img/hdnavibt05_o.gif");
		hdnavibt06_o = newImage("img/hdnavibt06_o.gif");
		preloadFlag = true;
	}
}