//Define the plugin
$.fn.nudge = function(params) {
//set default parameters
params = $.extend({
amount: 20, //amount of pixels to pad / marginize
duration: 300, //amount of milliseconds to take
property: 'padding', //the property to animate (could also use margin)
direction: 'left', //direction to animate (could also use right)
toCallback: function() {}, //function to execute when MO animation completes
fromCallback: function() {} //function to execute when MOut animation completes
}, params);
//For every element meant to nudge...
this.each(function() {
//variables
var $t = $(this);
var $p = params;
var dir = $p.direction;
var prop = $p.property + dir.substring(0,1).toUpperCase() + dir.substring(1,dir.length);
var initialValue = $t.css(prop);
/* fx */
var go = {}; go[prop] = parseInt($p.amount) + parseInt(initialValue);
var bk = {}; bk[prop] = initialValue;

//Proceed to nudge on hover
$t.hover(function() {
$t.stop().animate(go, $p.duration, '', $p.toCallback);
}, function() {
$t.stop().animate(bk, $p.duration, '', $p.fromCallback);
});
});
return this;
};