/*!
 * jQuery UI Effects Shake 1.12.1
 * http://jqueryui.com
 *
 * Copyright jQuery Foundation and other contributors
 * Released under the MIT license.
 * http://jquery.org/license
 */

//>>label: Shake Effect
//>>group: Effects
//>>description: Shakes an element horizontally or vertically n times.
//>>docs: http://api.jqueryui.com/shake-effect/
//>>demos: http://jqueryui.com/effect/

function shaker(element){

    element = $(element);

    if (element.length === 0 || typeof element.queue !== 'function') {
        console.error("Element does not exist or method 'queue' is not supported");
        return;
    }
    var i = 1,
    direction = "left",
    distance = 10,
    times = 3,
    anims = times * 2 + 1,
    speed = 75,
    ref = ( direction === "up" || direction === "down" ) ? "top" : "left",
    positiveMotion = ( direction === "up" || direction === "left" ),
    animation = {},
    animation1 = {},
    animation2 = {},
    queuelen = element.queue().length;

    // Animation
	animation[ ref ] = ( positiveMotion ? "-=" : "+=" ) + distance;
	animation1[ ref ] = ( positiveMotion ? "+=" : "-=" ) + distance * 2;
	animation2[ ref ] = ( positiveMotion ? "-=" : "+=" ) + distance * 2;

    // Animate
	element.animate( animation, speed);

	// Shakes
	for ( ; i < times; i++ ) {
		element
			.animate( animation1, speed)
			.animate( animation2, speed);
	}

	element
		.animate( animation1, speed)
		.animate( animation, speed / 2)
}