/*
    ****************************************************************************
    Purpose: OBFUSCATOR Emails address for webpages
    Author: Kyle Huynh
    Date Created: 20/JAN/2010
    Browsers: Tested on IE, FF, Opera, Chrome, Safari
    ****************************************************************************

    Example Usage:
    // to create the encode emails
    var email = OBFUSCATOR.generateEncodedEmail("kyle@sportscover.com")
    alert(email.EncodedEmail)
    alert(email.EncodedTag)
    
    
    //to decode the encoded emails, included below js at bottom of page or onload
    OBFUSCATOR.decodePage()
    
*/

OBFUSCATOR = new function() {

    this.mailto = 'mailto:'

    this.trim = function(s) {
        ///<summary>Strip leading and trailing white-space</summary>
        ///<param name="s" type="string">the string to trim</param>    
        s = s.replace(/^\s+/g, "");
        return (s.replace(/\s+$/g, ""));
    }

    this.inverseEmail = function(email) {
        var newEmail = '';
        for (i = 0; i < email.length; i++) {
            var curChar = email.charAt(i)
            newEmail = curChar + newEmail;
        }

        return newEmail;
    }


    this.encodeEmail = function(email) {

        var regEmail = this.inverseEmail(email.toLowerCase())
        var codeEmail = ""

        if (regEmail == "") {
            alert("Please enter your regular e-mail address.")
        }
        else {
            var regLength = regEmail.length
            for (i = 0; i < regLength; i++) {
                var charNum = "000"
                var curChar = regEmail.charAt(i)
                if (curChar == "a") {
                    charNum = "097"
                }
                if (curChar == "b") {
                    charNum = "098"
                }
                if (curChar == "c") {
                    charNum = "099"
                }
                if (curChar == "d") {
                    charNum = "100"
                }
                if (curChar == "e") {
                    charNum = "101"
                }
                if (curChar == "f") {
                    charNum = "102"
                }
                if (curChar == "g") {
                    charNum = "103"
                }
                if (curChar == "h") {
                    charNum = "104"
                }
                if (curChar == "i") {
                    charNum = "105"
                }
                if (curChar == "j") {
                    charNum = "106"
                }
                if (curChar == "k") {
                    charNum = "107"
                }
                if (curChar == "l") {
                    charNum = "108"
                }
                if (curChar == "m") {
                    charNum = "109"
                }
                if (curChar == "n") {
                    charNum = "110"
                }
                if (curChar == "o") {
                    charNum = "111"
                }
                if (curChar == "p") {
                    charNum = "112"
                }
                if (curChar == "q") {
                    charNum = "113"
                }
                if (curChar == "r") {
                    charNum = "114"
                }
                if (curChar == "s") {
                    charNum = "115"
                }
                if (curChar == "t") {
                    charNum = "116"
                }
                if (curChar == "u") {
                    charNum = "117"
                }
                if (curChar == "v") {
                    charNum = "118"
                }
                if (curChar == "w") {
                    charNum = "119"
                }
                if (curChar == "x") {
                    charNum = "120"
                }
                if (curChar == "y") {
                    charNum = "121"
                }
                if (curChar == "z") {
                    charNum = "122"
                }
                if (curChar == "0") {
                    charNum = "048"
                }
                if (curChar == "1") {
                    charNum = "049"
                }
                if (curChar == "2") {
                    charNum = "050"
                }
                if (curChar == "3") {
                    charNum = "051"
                }
                if (curChar == "4") {
                    charNum = "052"
                }
                if (curChar == "5") {
                    charNum = "053"
                }
                if (curChar == "6") {
                    charNum = "054"
                }
                if (curChar == "7") {
                    charNum = "055"
                }
                if (curChar == "8") {
                    charNum = "056"
                }
                if (curChar == "9") {
                    charNum = "057"
                }
                if (curChar == "&") {
                    charNum = "038"
                }
                if (curChar == " ") {
                    charNum = "032"
                }
                if (curChar == "_") {
                    charNum = "095"
                }
                if (curChar == "-") {
                    charNum = "045"
                }
                if (curChar == "@") {
                    charNum = "064"
                }
                if (curChar == ".") {
                    charNum = "046"
                }
                if (charNum == "000") {
                    codeEmail += curChar
                }
                else {
                    codeEmail += "&#" + charNum + ";"
                }
            }
            return codeEmail; //"<a href=&#109;&#097;&#105;&#108;&#116;&#111;:" + codeEmail + ">" + RealName + "</a>"        

        }
    }


    this.decodeEmailTags = function(el) {

        var ee = el;
        var email = ee.href.replace("mailto:", "");
        var newEmail = '';
        var regLength = email.length

        for (i = 0; i < regLength; i++) {
            var curChar = email.charAt(i)
            newEmail = curChar + newEmail;
        }
        var html = ee.innerHTML;
        ee.setAttribute("href", "mailto:" + newEmail);
        ee.style.unicodeBidi = "bidi-override";
        ee.style.direction = "rtl";
        ee.innerHTML = html;
    }


    this.decodePage = function() { //function to attempt to decode page, this has to be at bottom of page or onload
        var links = window.document.links;
        for (var i = 0; i < links.length; i++) {
            if (links[i].rel == "email") {
                this.decodeEmailTags(links[i])
            }
        }
    }


    this.generateEncodedEmail = function(email) {//used to generate the encoded email and email tag
        var v_encodedEmail = this.encodeEmail(email);
        var v_tag = '<a rel="email" href="' + this.mailto + v_encodedEmail + '">' + v_encodedEmail + '</a>';
        return { EncodedEmail: v_encodedEmail, EncodedTag: v_tag} //return multiple
    }  



}