function clickIE() {if (parent.ie4) {(parent.message);return false;}}
function clickNS(e) {if 
(parent.ns4||(parent.ns6 && !parent.ie4)) {
if (e.which==2||e.which==3) {(parent.message);return false;}}}
if (parent.ns4) 
{document.captureEvents(Event.MOUSEDOWN);document.onmousedown=clickNS;}
else{document.onmouseup=clickNS;document.oncontextmenu=clickIE;}

document.oncontextmenu=new Function("return false")