// Show the submenu of the selected menu item
$(document).ready(function () {
    mainmenu();
    searchField();
    randomImage();
});

function mainmenu(){
    $('.main-menu > li > ul').hide();
    $('.main-menu li').each(function () {
        var node = this;
        var found = false;
        // search main menu item
        $(this).children("a").each(function() {
            if (this.href == window.location.href) {
                $(node).find("ul:hidden").css("background-color","transparent").slideToggle("slow");
                found = true;
                return false;
            }
            if (window.location.href.indexOf(this.pathname) >= 0) {
                // search submenu-items
                $(this).siblings("ul").find("a").each(function() {
                    if (this.href == window.location.href) {// main menu item
                        $(node).find("ul:hidden").css("background-color","transparent").show();
                        this.style.color = "#888";
                        found = true;
                        return false;
                    }
                });
            }
        });
        if (found) {
            return false;
        }
    });
}

function searchField() {
    var form = $(".search-form").get()[0];
    $(form).find("input[type=submit]").hide(); // hide ugly button
    $(".top-menu .search").show().click(function() {
        form.submit();
    }); 
}

function randomImage() {
    var n = rand(5);
    var lightpbpicture = "light"+n+".jpg";
    var object = $('#top_light');
    if(object.length > 0){
        object[0].style.backgroundImage="url(/images/"+lightpbpicture+")";
    }
    var n = rand(6);
    var lightpbpicture = "ondervlak"+n+".png";
    var object = $('.dark');
    if(object.length > 0){
        object[0].style.backgroundImage="url(/images/"+lightpbpicture+")";
    }
}

function rand(n)
{
  return(Math.floor(Math.random()*n+1));
}

/* function dialog(){
	var COOKIE_NAME = 'lightwelkom'; 
	var COOKIE_SETTING = 'welkom';
	var options = { path: '/' };
	
	if($.cookie(COOKIE_NAME) != COOKIE_SETTING){
		$("#dialog").dialog({
   			close: function(event, ui) { 
				$("#dialog").dialog('destroy');
				$.cookie(COOKIE_NAME, COOKIE_SETTING, options); 
			}
		});
	}else{
		$("#dialog").hide();
	}
	
	$("#beurs").click(function(){
		$("#dialog").show();
		$.cookie(COOKIE_NAME, '', options);
		$("#dialog").dialog({
   			close: function(event, ui) { $("#dialog").dialog('destroy');}
		});
	});
	
	$("#dialog-dank").dialog({
		close: function(event, ui) { 
			$.cookie(COOKIE_NAME, COOKIE_SETTING, options); 
			window.location.href = ("/welkom"); 
		}
	});
	
}
 */