JS Source Code of the MAC-Addesss Notation Changer

function fnClipboard(macAdrCpy) {

    document.getElementById('macinput').value = macAdrCpy;

    var copyText = document.getElementById('macinput');

    copyText.select();

    document.execCommand('copy');

};

function pasteFromClipboard() {

    document.getElementById('macinput').value = '';

    var pasteText = document.getElementById('macinput');

    pasteText.focus();

    document.execCommand('paste');

  };

function macConvert(macNotationType) {

    var lmtr = ['x', '-', ':', '.', '-'];

    var block = [12, 2, 2, 4, 6];

    var macAdrAll = [];

    var len = lmtr.length;

    var i;

    var cntr;

    var macAdrOut = '';

    var macAdr = document.getElementById('macinput').value;

    var macAdrStrp = macAdr.toLowerCase();

    macAdrStrp = macAdrStrp.replace(/[^A-Fa-f0-9]/g, '');

    if (macAdrStrp.length !== 12) {

        document.getElementById("macinput").style.backgroundColor = "#f0a0a0";

    } else {

        document.getElementById("macinput").style.backgroundColor = "#f5f5f5";

        

        for (cntr=0; cntr<len; ++cntr) {

                            

            for (i=0; i < 12; i = i + block[cntr]) {

                macAdrOut = macAdrOut + macAdrStrp.substr(i, block[cntr]) + lmtr[cntr];

            }

            macAdrOut = macAdrOut.substr(0, macAdrOut.length-1);

            macAdrAll[cntr] = macAdrOut;

            macAdrOut = '';

        }

        macAdrCpy = macAdrAll[macNotationType];

        fnClipboard(macAdrCpy);

window.close();

    }

};

document.addEventListener('DOMContentLoaded', function() {

    var jsEventgoButton = document.getElementById('gobutton');

    jsEventgoButton.addEventListener('click', function() {

        pasteFromClipboard();

        macConvert(0);

    });

    var jsEventgoButton = document.getElementById('gobutton1');

    jsEventgoButton.addEventListener('click', function() {

        pasteFromClipboard();

        macConvert(1);

    });

    var jsEventgoButton = document.getElementById('gobutton2');

    jsEventgoButton.addEventListener('click', function() {

        pasteFromClipboard();

        macConvert(2);

    });

    var jsEventgoButton = document.getElementById('gobutton3');

    jsEventgoButton.addEventListener('click', function() {

        pasteFromClipboard();

        macConvert(3);

    });

    

    var jsEventgoButton = document.getElementById('gobutton4');

    jsEventgoButton.addEventListener('click', function() {

        pasteFromClipboard();

        macConvert(4);

    });

});