//Quick browser detection
var r=3
var browser = navigator.appName;
var version = navigator.appVersion;
if ((browser.indexOf("Microsoft")!=-1 && browser.indexOf("Explorer")!=-1) && (version.indexOf("MSIE 4.")!=-1 || version.indexOf("MSIE 5.")!=-1)) r=1; 
if (browser.indexOf("Netscape")!=-1 && (version.indexOf("4.")!=-1 || version.indexOf("5.")!=-1 )) r=1;
if (browser.indexOf("Netscape")!=-1 && (version.indexOf("3.")!=-1)) r=2;

function mouseDown(e)
{
if (event.button==2)
	{
	alert('Dit script/source en de plaatjes mogen niet gekopieerd worden\n\nDe Doornboom 2001.')
	}
}
document.onmousedown = mouseDown
if (r == 2) document.captureEvents(Event.MOUSEDOWN)