function HideContent(d) {
if(d.length < 1) { return; }
document.getElementById(d).style.display = "none";
}
function ShowContent(d) {
if(d.length < 1) { return; }
document.getElementById(d).style.display = "block";
}
function ReverseContentDisplay(d) {
if(d.length < 1) { return; }
if(document.getElementById(d).style.display == "none") { document.getElementById(d).style.display = "block"; }
else { document.getElementById(d).style.display = "none"; }
}


var message="Copyright (1998-2008) by Renso Tamse. Use not allowed without written permission of Renso Tamse.";

function clickIE4(){
	if (event.button==2){
		alert(message);
		return false;
	}
}

function clickNS4(e){
if (document.layers||document.getElementById&&!document.all){
	if (e.which==2||e.which==3){
		alert(message);
		return false;
		}
	}
}

if (document.layers){
	document.captureEvents(Event.MOUSEDOWN);
	document.onmousedown=clickNS4;
}
else if (document.all&&!document.getElementById){
	document.onmousedown=clickIE4;
}

document.oncontextmenu=new Function("alert(message);return false")