// begin rightMouseClick -> showAboutMessage 

function checkContext(e) {
	if (document.all) {
	if (event.button==2||event.button==3) {
	showAbout();
	return false;
	}
}
if (document.layers) {
	if (e.which == 3) {
		showAbout();
		return false;
		}
	}
}
if (document.layers) {
	document.captureEvents(Event.MOUSEDOWN);
}

function showAbout(){
	var showAboutMessage = "          PROEFUNIT.NL     \n" 
	showAboutMessage +="                                       \n"
	showAboutMessage +="Vennestraat 30, 2161 LE Lisse   \n"
	showAboutMessage +="                                       \n"
	showAboutMessage +="     +31 (0)6-29 312 688    \n"
	showAboutMessage +="     +31 (0)252-41 34 75    \n"
	showAboutMessage +="                                       \n"
	showAboutMessage +="         info@proefunit.nl   \n"
	alert (showAboutMessage);
}
document.onmousedown=checkContext;

// End rightMouseClick