$(window).resize(function() 
{
    resize();
});

var like_status = 0;

function resize()
{   
    //alert('height : ' + $(window).height() + ' --- like_status = ' + like_status);
    if($(window).height() < 590)
    {
        like_button(0);
    }
    else
    {
        if(like_status != 1)
        {
            like_button(0);
        }
        else
        {
            like_button(1);
        }
    }
}

function like_button(status)
{   
    if(status == 1)
    {
        like_status = status;
        document.getElementById('like_button').style.display = 'block';
    }
    else
    {
        document.getElementById('like_button').style.display = 'none';
    }
}