var dummy="";
	function clickIE()
	{
		if (document.all) 
		{
			(dummy);
			return false;
		}
	}
	function clickNS(e)
	{
		if (document.layers||(document.getElementById&&!document.all))
		{
			if (e.which==2||e.which==3)
			{
				(dummy);
				return false;
			}
		}
	}
	if (document.layers)
	{
		document.captureEvents(Event.MOUSEDOWN);
		document.onmousedown=clickNS;
	}
	else
	{
		document.onmouseup=clickNS;
		document.oncontextmenu=clickIE;
	}	
	document.oncontextmenu= new Function("return false");