Disable Right Click and Cut,Copy And Paste Option In Form

This article will show you how to disable the right click, cut, copy and paste option 


<script>
function alpha(e) {
var k;
document.all ? k = e.keyCode : k = e.which;
return ((k > 64 && k < 91) || (k > 96 && k < 123) || k == 8 || (k >= 48 && k <= 57));
}
</script>

<input type="password"  onpaste="return false" onkeypress="return alpha(event)" />