﻿$(document).ready(function () {
       
    // Search Box Functionality
    // ************************
    var searchBoxDefaultText = "search this site ...";
    var searchBox = $(".siteSearch");

    searchBox.focus(function () {
        if ($(this).attr("value") == searchBoxDefaultText) $(this).attr("value", "");
    });

    searchBox.blur(function () {
        if ($(this).attr("value") == "") $(this).attr("value", searchBoxDefaultText);
    });

    // Hover Intent jQuery Plugin for Site Navigation
    // **********************************************
    var hoverIntentConfig = {
        sensitivity: 2, // number = sensitivity threshold (must be 1 or higher)
        interval: 100, // number = milliseconds for onMouseOver polling interval
        over: megaHoverOver, // function = onMouseOver callback (REQUIRED)
        timeout: 100, // number = milliseconds delay before onMouseOut
        out: megaHoverOut // function = onMouseOut callback (REQUIRED)
    };

    $("ul#topnav li .sub").css({ 'opacity': '0' }); //Fade sub nav to 0 opacity on default
    $("ul#topnav li").hoverIntent(hoverIntentConfig); //Trigger Hover intent with custom configurations

    // Global Colorbox Popups
    // **********************************************
    $(".dlClassTimetables").colorbox({ width: "450px", inline: true, href: "#inline_downloadTimetable" });
    $(".dlPress").colorbox({ width: "650px", inline: true, href: "#inline_pressAndMedia" });

    // News Feed
    // ********************************
    $("#news").cycle({ timeout: 7000 });
});

//On Hover Over Main Site Navigation
function megaHoverOver() {
    $(this).addClass("navActive");
    $(this).find(".sub").stop().fadeTo('fast', 1).show(); //Find sub and fade it in
    (function ($) {
        //Function to calculate total width of all ul's
        jQuery.fn.calcSubWidth = function () {
            rowWidth = 0;
            //Calculate row
            $(this).find("ul").each(function () { //for each ul...
                rowWidth += $(this).width(); //Add each ul's width together
            });
        };
    })(jQuery);

    if ($(this).find(".row").length > 0) { //If row exists...

        var biggestRow = 0;

        $(this).find(".row").each(function () {	//for each row...
            $(this).calcSubWidth(); //Call function to calculate width of all ul's
            //Find biggest row
            if (rowWidth > biggestRow) {
                biggestRow = rowWidth;
            }
        });

        $(this).find(".sub").css({ 'width': biggestRow }); //Set width
        $(this).find(".row:last").css({ 'margin': '0' });  //Kill last row's margin

    } else { //If row does not exist...

        $(this).calcSubWidth();  //Call function to calculate width of all ul's
        $(this).find(".sub").css({ 'width': rowWidth }); //Set Width

    }
}

//On Hover Out Main Site Navigation
function megaHoverOut() {
    $(this).removeClass("navActive");
    $(this).find(".sub").stop().fadeTo('fast', 0, function () { //Fade to 0 opactiy                    
        $(this).hide();  //after fading, hide it
    });
}

// Function to equalise column heights
// **********************************************
function equaliseColumnHeights(colAClass, colBClass) {

    var colA = "." + colAClass;
    var colB = "." + colBClass;

    var rightCol = $(colA).height();
    var leftCol = $(colB).height();

    if (rightCol > leftCol)
        $(colB).height(rightCol);
    else
        $(colA).height(leftCol);
}
