var e = false;
var h = 0;
function fade_in(element)
{
   if(parseInt(element.style.height) > 55)
   {
       h = 0;
       element.style.height = '55px';
   }else{
       element.style.height = 'auto';
       h = element.offsetHeight;
       element.style.height = '55px';
       e = element;
       move(0);
   }
}
function fade_out(element)
{
   h = 0;
   element.style.height = '55px';
}
function move(c)
{
    if(h)
    {
        c++;
        var s = Math.round(((h - 55) * c / 20) + 55);
        e.style.height = s+'px';
        if(c < 20)
        {
            window.setTimeout(function(){move(c);},20);
        }
    }
}