function BrowserAlert ()
{
	if (	(	navigator.appName == "Microsoft Internet Explorer" &&
				navigator.appVersion.substr(0,1)>=4 &&
				navigator.appVersion.substr(navigator.appVersion.indexOf("MSIE")+5,1)>=6) 
				||
			(	navigator.appName == "Netscape" &&
				navigator.appVersion.substr(0,1)>=6)
				|| 
			(	navigator.appName == "Opera" &&
				navigator.appVersion.substr(0,1)>=6)
				|| 
			(	navigator.appName == "Konqueror" &&
				navigator.appVersion.substr(8,1)>=5)

		)
	{
		document.write("	<div class='message'>");
		document.write("		Congratulation, you use " + navigator.appName + " " + navigator.appVersion + ".");
		document.write("		<br>");
		document.write("		Your browser fully supports the HTML 4.0x and CSS 2.0 features used throughout this page.");
		document.write("	</div>");
	}
	else
	{
		document.write("	<div class='alert'>");
		document.write("		<div class='rightnoframe' style='width:89px;'>");
		document.write("			<a target='_blank' href='http://www.microsoft.com/downloads/'>");
		document.write("				<img src='../gif/wwwmicrosoftcomdownloads.gif' width='89' height='30' border='0'>");
		document.write("			</a>");
		document.write("		</div>");
		document.write("		<div class='rightnoframe' style='width:89px;'>");
		document.write("			<a href='https://secure.bmtmicro.com/opera/buy-opera.html?AID=731142'>");
		document.write("					<img src='http://promote.opera.com/banners/opera/windows/ow-get-00-en-mic.gif' alt='[Buy Opera!]' width='88' height='31' border='0'>");
		document.write("			</a>");
		document.write("		</div>");
		document.write("		This page has been tested to be compatible with every modern ");
		document.write("		4th generation browser that supports HTML 4.01 and CSS 2.0.");
		document.write("		Using the " + navigator.appName + " " + navigator.appVersion);
		document.write("		browser as you do may produce problems viewing some of my pages.");
		document.write("		You can download the latest version of the supported browsers");
		document.write("		by clicking on one of the icons on the righthand side.");
		document.write("	</div>");
	}
}