function Loader() {

}

Loader.prototype.require_js = function(url) {
	scripts = document.getElementsByTagName("script");
	for (var i = 0; i < scripts.length; i++) {
		if(scripts[i].src == url) return;
	}
    var head = document.getElementsByTagName("head").item(0);
    var script = document.createElement("script");

    script.setAttribute("type", "text/javascript");
    script.setAttribute("src", url);

    head.appendChild(script);
}

Loader.prototype.require_css = function(url) {
	csss = document.getElementsByTagName("link");
	
	for(var i=0; i < csss.length; i++) {
		if(csss[i].href == url) return;
	}
	
    var head = document.getElementsByTagName("head").item(0);
    var script = document.createElement("link");


    script.setAttribute("rel", "stylesheet");
    script.setAttribute("type", "text/css");
    script.setAttribute("href", url);

    head.appendChild(script);
}

// Initialize
loader = new Loader();

//// wersja jQuery
//var version = '';
//
//// wyzsze wersje jQuery ?
//if ($){
//	version = $().jquery;
//	alert('$: ' + version);
//	if (version != '1.6.1') {
//		alert ('zaladowano 1.6')
//		loader.require_js("http://localhost/wordpress_czysty/wp-content/plugins/znakit/js/jquery-1.6.1.min.js");
////		loader.require_js("https://znakit.com/contentaccess/embedwidget/scripts/jquery-1.4.3.min.js");
//	}
//
//// starsze wersje
//} else if (jQuery){
//	version = jQuery.fn.jquery;
//	alert('jQuery: ' + version);
//	if (version != '1.6.1') {
//		alert ('zaladowano 1.6')
////		alert ('wieksze')
//		loader.require_js("http://localhost/wordpress_czysty/wp-content/plugins/znakit/js/jquery-1.6.1.min.js");
//		loader.require_js("https://znakit.com/contentaccess/embedwidget/scripts/jquery-1.4.3.min.js");
//	}
//}

//http://code.jquery.com/jquery-latest.min.js
//loader.require_js("https://znakit.com/contentaccess/embedwidget/scripts/jquery-1.4.3.min.js");
//loader.require_js("http://code.jquery.com/jquery-latest.min.js");
loader.require_js("https://znakit.com/contentaccess/embedwidget/fancybox/jquery.mousewheel-3.0.4.pack.js");
//loader.require_js("https://znakit.com/contentaccess/embedwidget/fancybox/jquery.fancybox-1.3.4.pack.js");
//loader.require_js("https://znakit.com/contentaccess/embedwidget/scripts/init.js");

loader.require_css("https://znakit.com/contentaccess/embedwidget/fancybox/jquery.fancybox-1.3.4.css");
loader.require_css("https://znakit.com/contentaccess/styles/widget.css");