jQuery("div").dropDownRiseUp(); // use method ".dropDownRiseUp()" for jQuery object

To customize the animation, you need to modify the dropDownRiseUp.js file.

var settings = $.extend({

    time: 1500, // time to increase the height of the element

    pix: 300, // the height by which you want to increase the element

    timeout: 30 // the frequency with which each animation step is executed (at least 40 milliseconds => 25 steps (frames) per second)

}, options);