function setReqHeight()
{
    ob = document.getElementById('cent');
    reqHeight = Math.ceil(ob.offsetHeight / 50) * 50;
    ob.style.height = reqHeight + 'px';
}
function setBackground(filePath)
{
    document.getElementById('text_kartina_js').style.backgroundImage = 'url(\'' + filePath + '\')';
}




function whiteB()
{
    if (document.getElementById('q').value != '') {
        document.getElementById('q_button').src = '/templates/img/menu/poisk_akt.png';
    }
}

function grayB()
{
    document.getElementById('q_button').src = '/templates/img/menu/poisk.png';
}