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Cursor jumping to the end of text if edit made to previous text
// This code checks for a certain keypress combo. For example cx, Cx, gx, Gx, etc...
// The hard to type esperanto characters we aim to insert.

var esperanto = [
    ['cx','u0109'],  ['gx','u011D'],
    ['hx','u0125'],  ['jx','u0135'],
    ['sx','u015D'],  ['ux','u016D'],

    ['Cx','u0108'],  ['Gx','u011C'],
    ['Hx','u0124'],  ['Jx','u0134'],
    ['Sx','u015C'],  ['Ux','u016C']
];

document.onkeyup = changeChars;

function changeChars(e) {
    var KeyID = (window.event) ? event.keyCode : e.keyCode;
    if(KeyID == 88)
    {
        var tmp = document.getElementById('TArea').value;
        for (var i=0; i<esperanto.length; i++) {
            re = new RegExp(esperanto[i][0],"g");
            tmp = tmp.replace(re,esperanto[i][1]);
        }
        document.getElementById('TArea').value = tmp;
    }
}