var LIB = {
	addelem : function(name, attr) {

		var tag = document.createElement(name);
		for(var key in attr) {
			tag.setAttribute(key, attr[key]);
		}		
		document.getElementsByTagName('head')[0].appendChild(tag);
	},

	getCalendar : function(ds) {
		// request
		attr = Array();
		attr['type'] = "text/javascript";
		attr['language'] = "JavaScript";
		attr['src'] = "http://www.a2club.su/calendar.js?ds=" + ds + "&r=" + Math.floor(Math.random()*1000);
		this.addelem("script", attr);  
	}
}