Ugyanúgy Csináld, Mint A Többit!

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    var b = GetCookie("z")
    if (b == null) {
    storage()
    }
   
    function storage() {
    var c = prompt("Kérlek, írd be a neved és legközelebb megismerlek!","")
    var thenewdate = new Date ();
    thenewdate.setTime(thenewdate.getTime() + (5*24*60*60*1000));
    SetCookie('z',c,thenewdate);
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    function change() {
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    SetCookie('z',c,thenewdate);
    location = "koszfelis.htm"
    }

var z = GetCookie('z');
document.write("<center>Hello, "+z+".<br>"
+"<a href='javascript:change()'>Ha akarsz, változtass nevet.</a></center>")
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