$(document).ready(function() {
 
    //var setColumnHeights = function() {
    //    var screenHeight = $(window).height()
    //    $('#columns').height(screenHeight - 140);
    //}
            
    //setColumnHeights();
    //$(window).resize(function(){setColumnHeights();});
    
    var showGalleryImage = function(e)
    {
        
        $('#popUp').dialog("open");
        $('#popUp img').attr("src", $(this).attr('src')); 
    }
    
    $('.thumbnails img').click(showGalleryImage);
    $('#popUp').dialog({autoOpen: false, draggable: false, modal: true, resizable: false, overlay: {opacity: 0.5, background: 'black'}, height:'335px', title:'Fjarðaferðir', width: '410px'});
});