/*
jQuery plugin : pause resume animation
Created by Joe Weitzel
BOX Creative LLC
http://plugins.jquery.com/project/Pause-Resume-animation
*/
jQuery.fn.startAnimation = function(  params, duration, easing, callback ) {
    $(this).animate( params, duration, easing, callback );
    var data = { target:this.get(0), params: params, duration: duration, easing: easing, callback: callback,
                startTime: new Date().getTime(), timePlayed: 0, timeRemaining: 0 };
    if( !jQuery.pauseableAnimations ) {
        jQuery.extend({ pauseableAnimations: new Array( data ) });
    } else {
        for( var i in jQuery.pauseableAnimations ) {
            if( jQuery.pauseableAnimations[i].target == this.get(0) ) {
                jQuery.pauseableAnimations[i] = data;
            } else {
                jQuery.pauseableAnimations.push( data );
            };
        };
    };
};
jQuery.fn.pauseAnimation = function() {
    if( jQuery.pauseableAnimations ) {
        for(var i in jQuery.pauseableAnimations ) {
            if( jQuery.pauseableAnimations[i].target == this.get(0) ) {
                $(this).stop();
                var now = new Date().getTime();
                var data = jQuery.pauseableAnimations[i];
                data.timePlayed += ( now - data.startTime );
                data.timeRemaining = data.duration - data.timePlayed;
                if( data.timePlayed > data.duration ) {
                    var newArray = new Array();
                    for( var p in jQuery.pauseableAnimations ) {
                        if( jQuery.pauseableAnimations[p] != data ) newArray.push( jQuery.pauseableAnimations[p] );
                    };
                    jQuery.pauseableAnimations = newArray.length > 0 ? newArray : null;
                    delete newArray;
                    return this;
                };
                break;
            };
        };
    };
    return this;
};
jQuery.fn.resumeAnimation = function() {
    if( jQuery.pauseableAnimations ) {
        for(var i in jQuery.pauseableAnimations ) {
            var data = jQuery.pauseableAnimations[i];
            if( data.target == this.get(0) ) {
                this.animate( data.params, data.timeRemaining, data.easing, data.callback );
                data.startTime = new Date().getTime();
                return this;
            };
        };
    };
};