var strMessage = "© OKM Online";

function clickIE()
{
	if (event.button==2||event.button==3) 
	{
		alert(strMessage)
		return false;
	}
	else if(event.shiftKey)
	{
		alert(strMessage)
		return false;
	}
}

function clickNS4(e)
{
	if (document.layers)
	{
		if (e.which==2||e.which==3)
		{
			alert(strMessage);
			return false;
		}
	}
}

if (document.layers)
{
	document.captureEvents(Event.MOUSEDOWN);
	document.onmousedown=clickNS4;
}
else if (document.all&&!document.getElementById)
{
	document.onmousedown=clickIE;
}

document.oncontextmenu=new Function("alert(strMessage);return false");