dentro c'è:
codice:
<SCRIPT type="text/javascript">
<!-- 

bV=parseInt(navigator.appVersion);
bNS=navigator.appName=="Netscape";
bIE=navigator.appName=="Microsoft Internet Explorer";

function nrc(e)
{
	if(bNS && e.which>1)
	{
		return false
	}
	else if(bIE && (event.button>1))
	{
		return false
	}
}

document.onmousedown=nrc;
if(document.layers) window.captureEvents(Event.MOUSEDOWN);
if(bNS && bV<5) window.onmousedown=nrc;

function one()
{
	return true
}

onerror=one;

//-->

</SCRIPT>