var isIE;
var isNN;

function onInit()
{
	isIE = !!document.all;
	isNN = !!document.layers;

	if(isNN)
	{
		document.captureEvents(Event.MOUSEDOWN);
	}
	document.onkeydown=onKeyDown;
	document.onmousedown=onMouseUpDown;
	document.onmouseup=onMouseUpDown;
}

function onMouseUpDown(ev)
{
	if(isIE)
	{
		if(event.button >= 2)
		{
			if(event.type == "mouseup")
			{
				document.body.createTextRange().select();
			}
			return false;
		}
	}
	else if(isNN)
	{
		if(ev.which == 3)
		{
			return false;
		}
	}
}

function onKeyDown()
{
	if(isIE)
	{
		if(event.keyCode == 93) { }
		if(event.shiftKey && event.keyCode == 121) { }
	}
}