if(typeof Calendar == 'undefined') {
	function addJScript(filename) {
		var head = document.getElementsByTagName('head').item(0);
		script = document.createElement('script');
		script.src = filename;
		script.type = 'text/javascript';
		head.appendChild(script);
	}
	addJScript(js_site_url+ 'includes/js/General/calendar/calendar.js');
	addJScript(js_site_url+ 'includes/js/General/calendar/lang/calendar-et.js');
	addJScript(js_site_url+ 'includes/js/General/calendar/calendar-setup.js');
}