Código Javascript:
Muchas gracias ^_^ Ver original
<script language="JavaScript"> function doencrypt(theform) { if (theform.code.value == "") { alert("No HTML code to encrypt"); return false; } else { enctext=encrypt(theform.code.value); EncCode="<Script Language='Javascript'>\n"; EncCode+="document.write(unescape('"+enctext+"'));\n"; EncCode+="</Script\>"; theform.ecode.value=EncCode; theform.sac.disabled = false; } return false; } function sandc(thisform) { thisform.ecode.focus(); thisform.ecode.select(); } function encrypt(tx) { var hex=''; var i; for (i=0; i<tx.length; i++) { hex += '%'+hexfromdec(tx.charCodeAt(i)) } return hex; } function hexfromdec(num) { if (num > 65535) { return ("err!") } first = Math.round(num/4096 - .5); temp1 = num - first * 4096; second = Math.round(temp1/256 -.5); temp2 = temp1 - second * 256; third = Math.round(temp2/16 - .5); fourth = temp2 - third * 16; return (""+getletter(third)+getletter(fourth)); } function getletter(num) { if (num < 10) { return num; } else { if (num == 10) { return "A" } if (num == 11) { return "B" } if (num == 12) { return "C" } if (num == 13) { return "D" } if (num == 14) { return "E" } if (num == 15) { return "F" } } } </script>