if(!Array.indexOf){
    Array.prototype.indexOf = function(obj){
        for(var i=0; i<this.length; i++){
            if(this[i]==obj){
                return i;
            }
        }
        return -1;
    }
}
function findInArray(a, o) {
    return (a.indexOf(o));
}
function getNextIndex(a, cIndex) {
    return cIndex >= a.length - 1 ? 0 : cIndex + 1;
}
function getPrevIndex(a, cIndex) {
    return cIndex == 0 ? a.length - 1 : cIndex - 1;
}


$(function(){
    $('#whitespace, #top').css({
        opacity: 0.8
    });
    // About and Services and Contacts.
    var a = $('#about'), s = $('#services'), c = $('#top-contacts').css({opacity: 0});
    
    $('#toggle-about').click(function(){
        $(this).blur();
        s.fadeOut(500, function(){
            a.is(':visible') ? a.fadeOut() : a.fadeIn();
        });
        return false;
    });
    
    $('#toggle-services').click(function(){
        $(this).blur();
        a.fadeOut(500,function(){
            s.is(':visible') ? s.fadeOut() : s.fadeIn();
        });
        return false;
    });
    
    $('#toggle-contacts').toggle(function(){
        $(this).blur();
        c.animate({
            opacity: 1
        });
        return false;
    }, function(){
        $(this).blur();
        c.animate({
            opacity: 0
        });
        return false;
    });
});


// jQuery Mousewheel
/*! Copyright (c) 2010 Brandon Aaron (http://brandonaaron.net)
 * Licensed under the MIT License (LICENSE.txt).
 *
 * Thanks to: http://adomas.org/javascript-mouse-wheel/ for some pointers.
 * Thanks to: Mathias Bank(http://www.mathias-bank.de) for a scope bug fix.
 * Thanks to: Seamus Leahy for adding deltaX and deltaY
 *
 * Version: 3.0.4
 * 
 * Requires: 1.2.2+
 */

(function($) {

var types = ['DOMMouseScroll', 'mousewheel'];

$.event.special.mousewheel = {
    setup: function() {
        if ( this.addEventListener ) {
            for ( var i=types.length; i; ) {
                this.addEventListener( types[--i], handler, false );
            }
        } else {
            this.onmousewheel = handler;
        }
    },
    
    teardown: function() {
        if ( this.removeEventListener ) {
            for ( var i=types.length; i; ) {
                this.removeEventListener( types[--i], handler, false );
            }
        } else {
            this.onmousewheel = null;
        }
    }
};

$.fn.extend({
    mousewheel: function(fn) {
        return fn ? this.bind("mousewheel", fn) : this.trigger("mousewheel");
    },
    
    unmousewheel: function(fn) {
        return this.unbind("mousewheel", fn);
    }
});


function handler(event) {
    var orgEvent = event || window.event, args = [].slice.call( arguments, 1 ), delta = 0, returnValue = true, deltaX = 0, deltaY = 0;
    event = $.event.fix(orgEvent);
    event.type = "mousewheel";
    
    // Old school scrollwheel delta
    if ( event.wheelDelta ) { delta = event.wheelDelta/120; }
    if ( event.detail     ) { delta = -event.detail/3; }
    
    // New school multidimensional scroll (touchpads) deltas
    deltaY = delta;
    
    // Gecko
    if ( orgEvent.axis !== undefined && orgEvent.axis === orgEvent.HORIZONTAL_AXIS ) {
        deltaY = 0;
        deltaX = -1*delta;
    }
    
    // Webkit
    if ( orgEvent.wheelDeltaY !== undefined ) { deltaY = orgEvent.wheelDeltaY/120; }
    if ( orgEvent.wheelDeltaX !== undefined ) { deltaX = -1*orgEvent.wheelDeltaX/120; }
    
    // Add event and delta to the front of the arguments
    args.unshift(event, delta, deltaX, deltaY);
    
    return $.event.handle.apply(this, args);
}

})(jQuery);