function selectLetter(letter)
{
    selectedLetter = letter;

    ShowAgents();
}

function ShowAgents()
{
    var tabs  = document.getElementsByTagName("table");

    selectedTableId = 'agents'+selectedLetter;

    for (i=0; i < tabs.length; i++)
    {
        agentTr = tabs[i];


        if ( ( selectedLetter == '0-9' && ( agentTr.id == 'agents0' || agentTr.id == 'agents1' || agentTr.id == 'agents2' ||
            agentTr.id == 'agents3' || agentTr.id == 'agents4' || agentTr.id == 'agents5' ||
            agentTr.id == 'agents6' || agentTr.id == 'agents7' || agentTr.id == 'agents8' ||
            agentTr.id == 'agents9' ) ) ||
        agentTr.id == selectedTableId || selectedLetter == "*" )
        {
            agentTr.style.visibility = 'visible';
            agentTr.style.display = 'block';
        }
        else
        if ( agentTr.className == 'agC' )
        {
            agentTr.style.visibility = 'hidden';
            agentTr.style.display = 'none';
        }
    }
}


function addTitleToImage()
{
    var images = document.getElementsByTagName("img");
    for (i=0; i < images.length; i++)
    {
        if ( images[i].className == "ru" )
        {
            images[i].title = "Sprzedaz biletow autokarowych w jezyku rosyjskim.";
        }
        if ( images[i].className == "pl" )
        {
            images[i].title = "Sprzedaż biletów autokarowych w języku polskim.";
        }
        if ( images[i].className == "de" )
        {
            images[i].title = "Bustickets-Buchungmodul auf deutsch.";
        }
        if ( images[i].className == "uk" )
        {
            images[i].title = "Coach ticket's sale in English.";
        }
    }
}