$(document).ready(function() {
    
    $("ul.page-nav-sub").hide();
    
    if($('img#start-page-image').length != 0) {
        $('img#start-page-image').attr('src', '');
        random_image();
    }
    
    set_current_page();
    $('img.start-page-box').css({'-moz-border-radius': '5px', '-webkit-border-radius': '5px'});
    $('p.info-block').css({'-moz-border-radius': '5px', '-webkit-border-radius': '5px'});
    
    $('a.external').click(function() {
        window.open(this.href);
        return false;
    });
        
});


function random_image() {
        
    var images = [
        '/bilder/den-nya-tidens-elteknikforetag-001.jpg',
        '/bilder/den-nya-tidens-elteknikforetag-002.jpg',
        '/bilder/den-nya-tidens-elteknikforetag-003.jpg',
        '/bilder/den-nya-tidens-elteknikforetag-001.jpg',
        '/bilder/den-nya-tidens-elteknikforetag-002.jpg',
        '/bilder/den-nya-tidens-elteknikforetag-003.jpg'
    ];
    
    var random_number = Math.floor(Math.random() * (5 - 0 + 1) + 0);
    var image = images[random_number];

    $('img#start-page-image').attr('src', image);
    
}


function set_current_page() {
    
    var current_page = window.location.pathname;
    
    var link = $('a[href='+current_page+']');
    var sub_nav = $("ul.page-nav-sub");
            
    if(link.hasClass('sub-page-nav')) {
        link.addClass('current-sub-page');
        sub_nav.show();
    } else {
        link.addClass('current');
        
        if($("#company-coworkers").length != 0) {
            $("#company-coworkers").removeClass("current");    
            $("#company-coworkers-ronneby").addClass('current-sub-page');
        }
        
    }
    
}