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String.prototype.getFileExtension = function()
	{
	var ret = (/[.]/.exec(this)) ? /[^.]+$/.exec(this) : undefined;
	if (ret && ret.length) ret = ret[0];
	return ret;
	}


if (typeof String.prototype.startsWith != 'function')
	{

krizpoon

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krizpoon

/*
	Make a jQuery plugin
	
	@param string name - Name of plugin
	@param string extend - Name of parent plugin to extend
	@param function onInit(element, instance) - a function that initialize the plugin instance on the element. To export methods, assign the functions to the instance.
	@param object defaults - a set of default values which can be accessed through instance.options
	
	Example:
	

krizpoon

<?php


function val($array, $key)
	{
	if (!$array) return null;
	if (!isset($array[$key])) return null;
	return $array[$key];
	}

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krizpoon

function TSCenterImage(img)
	{
	if (!img || !img.offsetParent) return;

	// get the basic metrics
	var iw = img.naturalWidth, ih = img.naturalHeight, ww = img.offsetParent.offsetWidth, wh = img.offsetParent.offsetHeight;
	if (!iw || !ih || !ww || !wh) return;

	// calculate the scale by fitting image to align container's width and height
	var sw = ww/iw, sh = wh/ih;

krizpoon

Date.prototype.format = function(pattern, utc)
	{
	if (!pattern) return pattern;

	var MonthsShort = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'];
	var MonthsLong  = ['January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December'];
	
	var yyyy  = this[utc?'getUTCFullYear':'getFullYear']();
	var MM    = this[utc?'getUTCMonth'   :'getMonth']() + 1;
	var dd    = this[utc?'getUTCDate'    :'getDate']();

krizpoon

function PageOptions (pageKey)
	{
	var values = {};
	if (window.localStorage)
		{
		var json = window.localStorage.getItem(pageKey);
		try
			{
			values = JSON.parse(json);
			}