Copy/paste and mouse’s right button disabled

wordpress code

<script type="text/javascript">
<!--
var message="Copy Protected Enable";
///////////////////////////////////
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")
// -->
 
function disSel(target){
if (typeof target.onselectstart!="undefined")
    target.onselectstart=function(){return false}
else if (typeof target.style.MozUserSelect!="undefined")
    target.style.MozUserSelect="none"
else
    target.onmousedown=function(){return false}
target.style.cursor = "default"
}
</script>
 
<script type="text/javascript">
window.onload = function () {
document.body.onselectstart = function () {
return false;
}
document.body.ondragstart = function () {
return false;
}
}
</script>