var specialcase = ((navigator.userAgent.indexOf('Mac') != -1) || document.all)
var flag = 0;
var msg = 'No Downloads allowed';
// This variable get overridden in line 8
var x,y,x1,y1,copyAttempt;

function init_rightclick(message) {
	msg = message;
	if (!(document.getElementById || document.all || document.layers)) return;
	if (specialcase && document.layers) {
		document.captureEvents(Event.MOUSEMOVE);
		document.onmousemove = special;
	}
	for (i=0;i<document.images.length;i++)	{
		document.images[i].onmousedown = checkIt;
		document.images[i].onmouseup = function() {return false};
		if (specialcase) {
			document.images[i].onmousemove = special;
			document.images[i].onclick = clearIt;
		}
	}
}

function checkIt(e) {
	copyAttempt = 0;
	if (window.Event) {
		x = e.screenX;
		y = e.screenY;
		theButt = (e.which == 3);
	} else	{
		x = window.event.clientX;
		y = window.event.clientY;
		theButt = (window.event.button == 2);
	}
	if (theButt) {
		copyAttempt = 1;
		flag = 0;
		alert(msg);
		return false; // NN4 only
	}
	if (specialcase) flag = 1;
	return false;
}

function special(e) {
	theObj = '';
	if (window.Event) {
		x1 = e.screenX;
		y1 = e.screenY;
		if (e.target.parentNode) theObj = e.target.parentNode.tagName;
	} else {
		x1 = window.event.clientX;
		y1 = window.event.clientY;
		theObj = window.event.srcElement.parentElement.tagName;
	}
	var isLink = (theObj == 'A');
	if (flag && (!isLink || ((Math.abs(x-x1) > 10) || (Math.abs(y-y1) > 10)))) {
		copyAttempt = 1;
		flag = 0;
		alert(msg);
		return false;
	}
}

function clearIt() {
	flag = 0;
	if (copyAttempt) {
		copyAttempt = 0;
		return false;
	}
}