function RightMouseDown()
{
<!--
	if (event.button==2)
	{
		alert('Sorry, this function is disabled.')
	}

	if(event.button == 1 && event.shiftKey)
	{
		alert(' sorry this function is disabled.');
	}
//-->
}

document.onmousedown=RightMouseDown
document.onkeypress =RightMouseDown