function setUpDownButtons()
{
    try
    {
        var form =  this.document.forms["Entry"];
        var index = form.elements["Entries"].selectedIndex;
        var count = form.elements["Entries"].length;
        if (form.elements["Down"] != null)
        {
            if (index < count - 1)
            {
                form.elements["Down"].disabled = false;
                form.elements["Down"].className = "enabled";
            }
            else
            {
                form.elements["Down"].disabled = true;
                form.elements["Down"].className = "disabled";
            }
        }
        if (form.elements["Down"] != null)
        {
            if (index > 0)
            {
                form.elements["Up"].disabled = false;
                form.elements["Up"].className = "enabled";
            }
            else
            {
                form.elements["Up"].disabled = true;
                form.elements["Up"].className = "disabled";
            }
        }
    }
    catch(e)
    {
        alert(e);
    }
}

var validChars = " 0";
validChars += "1.,?!&@£$#%=-+*/\\|()[]{}<>:;\"'~^`_";
validChars += "abc2àáâãäåæç";
validChars += "def3èéêë";
validChars += "ghi4ìíîï";
validChars += "jkl5";
validChars += "mno6ðñòóôõöø";
validChars += "pqrs7ß";
validChars += "tuv8ùúûü";
validChars += "wxyz9ýþÿ";

function isValidEntryText(text)
{
    var i;
    var valid = true;
    for (i = 0; valid && i < text.length; i++)
    {
        if (validChars.indexOf(text.charAt(i).toLowerCase()) == -1)
        {
            valid = false;
        }
    }
    return valid;
}

function setEntryText()
{
    try
    {
        var form =  this.document.forms["Entry"];
        var entries = form.elements["Entries"];
        var index = entries.selectedIndex;
        var count = entries.length;
        if (index >= 0)
        {
           form.elements["Entry Text"].value = stringCipher.encryptString(entries.options[index].text);
        }
    }
    catch(e)
    {
        alert(e);
    }
}

function setInfo(command)
{
    if (helpOn)
    {
        this.document.getElementById("helpToggle").innerHTML = "";
        this.document.getElementById("help").innerHTML = helpMap[command];
    }
}

function clearInfo()
{
    this.document.getElementById("help").innerHTML = "";
    setToggleText();
}

function openEntry()
{
    setEntryCommand("Open");
    submitEntry();
}