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

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

function disableCopy(evt) {
	if (evt) {
		keyCode = evt.which;
		target = evt;
	}	else {
		keyCode = window.event.keyCode;
		target = window.event
	}
	
	var keyString = String.fromCharCode(keyCode).toLowerCase();
	
	if (target.ctrlKey && keyCode == 67) {
		alert(disable_copy_message);
		return false;
	}
}

if (document.layers){
	document.captureEvents(Event.MOUSEDOWN);
	document.captureEvents(Event.KEYDOWN);
	document.onmousedown=disableRightClickNS;
}
else if (document.all&&!document.getElementById){
	document.onmousedown=disableRightClickIE;
}
document.oncontextmenu=new Function("alert(disable_copy_message);return false");
document.onkeydown=disableCopy;