<html>
<body onload="javascript:maskUnmask('gsrh rh z gvhg');">
</body>
<script>
function maskUnmask(dataToMask){
var toDecode=dataToMask;
var decode='';
var encodedChar='';
var charEncoded=false;
for(var i=0;i<toDecode.length;i++){
if(toDecode.charCodeAt(i)>64&&toDecode.charCodeAt(i)<91){
//console.log(toDecode.charAt(i),toDecode.charCodeAt(i),encodedChar=String.fromCharCode(155-toDecode.charCodeAt(i)));
encodedChar=String.fromCharCode(155-toDecode.charCodeAt(i))
charEncoded=true;}
if(toDecode.charCodeAt(i)>96&&toDecode.charCodeAt(i)<123){
//console.log(toDecode.charAt(i),toDecode.charCodeAt(i),encodedChar=String.fromCharCode(219-toDecode.charCodeAt(i)),219-toDecode.charCodeAt(i));
encodedChar=String.fromCharCode(219-toDecode.charCodeAt(i))
charEncoded=true;}
if(!charEncoded){decode=decode+toDecode.charAt(i);}else{
decode=decode+encodedChar;}
charEncoded=false;
}
console.log(decode);
return decode;}
</script>
</html>