function toggle(i) {
	document.getElementById("cp").innerHTML = content[i];
}

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

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