function show(id)
{
    if ($(window).width() <= 700)
    {
        var element = $("div#"+id);
        var disp = (element.css('display')==='none') ? 'block' : 'none';
        var bck = (element.css('display')==='none') ? '-27px' : '0';
        element.css('display',disp);
        var ico_bt = $("span#"+id+"_arrow");
        ico_bt.css('background','url(\'img/rozwin_bt.png\') no-repeat scroll '+ bck +' 13px');
        columnHeight();
    }
}

function columnHeight()
{
    if ($(window).width() <= 700) 
    {
        var wys = parseInt($('.breadcrumb').css('height'))+parseInt($('#center_column').css('height'))
        +parseInt($('#right_column').css('height'));
        $('div#columns').css('height',wys);
    }
}