var msg_box ="These photos are copyright. However, should you wish to use any of them, then please send an email to the photographer. The link for this is at the top of this page.";

function dis_rightclickIE(){
	if (navigator.appName == 'Microsoft Internet Explorer' && (event.button == 2 || event.button == 3))
		alert(msg_box)
}

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

if (document.layers){
document.captureEvents(Event.MOUSEDOWN);
document.onmousedown=dis_rightclickNS;
}
else if (document.all&&!document.getElementById){
document.onmousedown=dis_rightclickIE;
}
document.oncontextmenu=new Function("alert(msg_box);return false")