对文件进行加密

    <script language ="javascript" type ="text/javascript" >
    <!--
    function encrypt(item) {
        var newItem = "";
        for (i=0; i < item.length; i++) {
            newItem += item.charCodeAt(i) + "  ";
        }
        return newItem;
    }
    function encryptForm(myForm) {
        for (i=0; i < myForm.elements.length; i++) {
            myForm.elements[i].value =encrypt(myForm.elements[i].value);
         }
    }
    //-->
    </script>