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<?php

/**
 * @name        jQuery Count-UP Plugin
 * @author        Martin Angelov
 * @version     1.0
 * @url            http://tutorialzine.com/2012/09/count-up-jquery/
 * @license        MIT License
 */

(function($){
    
    // Number of seconds in every time division
    var days    = 24*60*60,
        hours    = 60*60,
        minutes    = 60;
    
    // Creating the plugin
    $.fn.countup = function(prop){
        
        var options = $.extend({
            callback    : function(){},
            start        : new Date()
        },prop);
        
        var passed = 0, d, h, m, s, 
            positions;

        // Initialize the plugin
        init(this, options);
        
        positions = this.find('.position');
        
        (function tick(){
            
            passed = Math.floor((new Date() - options.start) / 1000);
            
            // Number of days passed
            d = Math.floor(passed / days);
            updateDuo(0, 1, d);
            passed -= d*days;
            
            // Number of hours left
            h = Math.floor(passed / hours);
            updateDuo(2, 3, h);
            passed -= h*hours;
            
            // Number of minutes left
            m = Math.floor(passed / minutes);
            updateDuo(4, 5, m);
            passed -= m*minutes;
            
            // Number of seconds left
            s = passed;
            updateDuo(6, 7, s);
            
            // Calling an optional user supplied callback
            options.callback(d, h, m, s);
            
            // Scheduling another call of this function in 1s
            setTimeout(tick, 1000);
        })();
        
        // This function updates two digit positions at once
        function updateDuo(minor,major,value){
            switchDigit(positions.eq(minor),Math.floor(value/10)%10);
            switchDigit(positions.eq(major),value%10);
        }
        
        return this;
    };


    function init(elem, options){
        elem.addClass('countdownHolder');

        // Creating the markup inside the container
        $.each(['Days','Hours','Minutes','Seconds'],function(i){
            $('<span class="count'+this+'">').html(
                '<span class="position">
                    <span class="digit static">0</span>
                </span>
                <span class="position">
                    <span class="digit static">0</span>
                </span>'
            ).appendTo(elem);
            
            if(this!="Seconds"){
                elem.append('<span class="countDiv countDiv'+i+'"></span>');
            }
        });

    }

    // Creates an animated transition between the two numbers
    function switchDigit(position,number){
        
        var digit = position.find('.digit')
        
        if(digit.is(':animated')){
            return false;
        }
        
        if(position.data('digit') == number){
            // We are already showing this number
            return false;
        }
        
        position.data('digit', number);
        
        var replacement = $('<span>',{
            'class':'digit',
            css:{
                top:'-2.1em',
                opacity:0
            },
            html:number
        });
        
        // The .static class is added when the animation
        // completes. This makes it run smoother.
        
        digit
            .before(replacement)
            .removeClass('static')
            .animate({top:'2.5em',opacity:0},'fast',function(){
                digit.remove();
            })

        replacement
            .delay(100)
            .animate({top:0,opacity:1},'fast',function(){
                replacement.addClass('static');
            });
    }
})(jQuery);

?>