Surveys may be designed with a level of security that ranges on a continuum from non-existant to high.
To stop soneone from viewing the source code of your HTML questionnaire, insert the following Javascript code. This will disable a right-click on the page that contains the function.
<script language="javascript">
<!--
function noRightClick() {
if (event.button==2) { alert("Right click has been disabled") }
}
document.onmousedown=noRightClick
// End of script-->
</script>
or,
<script LANGUAGE="JavaScript"><!--
function right(e) {
if (navigator.appName == 'Netscape' && (e.which == 3 || e.which == 2))
alert("Right click has been disabled")
return false;
else if (navigator.appName == 'Microsoft Internet Explorer' && (event.button == 2 || event.button == 3)) {
alert("Right click has been disabled")
return false
}
return true
}
document.onmousedown=right;
if (document.layers) window.captureEvents(Event.MOUSEDOWN);
window.onmousedown=right;
// End -->
</script>