How to block right click on a page

function clickIE() {

if (document.all) {alert(“Right Click Not Allowed”);return false;}}function clickNS(e) {

if (document.layers||(document.getElementById&&!document.all)) { if (e.which==2||e.which==3) {alert(“Right Click Not Allowed”);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”)

</script>

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