var message="Copying of these contents in not permitted."
function click(e)
{
	if (navigator.appName=="Microsoft Internet Explorer") 
	{
		if (event.ctrlKey || event.button == 2)
    	{
    		alert(message);
        	return false;
    	}
	}    
    
	if (navigator.appName=="Netscape")      
	{
		if (e.which == 3 || (e.modifiers && Event.CONTROL_MASK))
		{
			alert(message);
			return false;
		}
	}    
	
}
if (navigator.appName=="Netscape")
{
	document.captureEvents(Event.mousedown|Event.keydown);
}
function selstart()
{
	alert(message)
	return false
}
document.onmousedown=click;//registering the click function as the doc's eventhandler for the mousedown event.
document.onkeydown=click;
document.onselectstart=selstart;