function myFontSize(x)
{
	s = parseInt(document.getElementById("myBody").style.fontSize);
	s = s+x;
	if (s > 20) {
		s = 20;
	}
	if (s < 8) {
		s = 6;
	}
	document.getElementById("myBody").style.fontSize = s+"px";
	document.cookie = "fontSize="+s;
}

function tagVisibility()
{
	if (navigator.appName.indexOf("Explorer") != -1) {
		var tags = new Array("applet", "iframe", "select");
		for (var k = tags.length; k > 0; ) {
			var ar = document.getElementsByTagName(tags[--k]);
			var cc = null;
			for (var i = ar.length; i > 0;) {
				cc = ar[--i];
				if (cc.style.visibility == "hidden")
					cc.style.visibility = "";
				else
					cc.style.visibility = "hidden";
			}
		}
	}
}