Stop Copying Text

<script language="JavaScript">
<!--
var message="";
function clickIE() {if (document.all) {(message);return false;}}
function clickNS(e) {if
(document.layers||(document.getElementById&&!document.all)) {
if (e.which==2||e.which==3) {(message);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>
<script language="JavaScript1.2">
function disabletextselect(i){
return false
}
function renabletextselect(){
return true
}
//if IE4+
document.onselectstart=new Function ("return false")
//if NS6+
if (window.sidebar){
document.onmousedown=disabletextselect
document.onclick=renabletextselect
}
</script>