/**
* Debounce and throttle function's decorator plugin 1.0.5
*
* Copyright (c) 2009 Filatov Dmitry ([email protected])
* Dual licensed under the MIT and GPL licenses:
* http://www.opensource.org/licenses/mit-license.php
* http://www.gnu.org/licenses/gpl.html
*
*/

(function($) {

$.extend({

debounce : function(fn, timeout, invokeAsap, ctx) {

if(arguments.length == 3 && typeof invokeAsap != 'boolean') {
ctx = invokeAsap;
invokeAsap = false;
}

var timer;

return function() {

var args = arguments;
ctx = ctx || this;

invokeAsap && !timer && fn.apply(ctx, args);

clearTimeout(timer);

timer = setTimeout(function() {
!invokeAsap && fn.apply(ctx, args);
timer = null;
}, timeout);

};

},

throttle : function(fn, timeout, ctx) {

var timer, args, needInvoke;

return function() {

args = arguments;
needInvoke = true;
ctx = ctx || this;

if(!timer) {
(function() {
if(needInvoke) {
fn.apply(ctx, args);
needInvoke = false;
timer = setTimeout(arguments.callee, timeout);
}
else {
timer = null;
}
})();
}

};

}

});

})(jQuery);