var LSsession_login = new Class({
    initialize: function(){
			this.select_ldapserver = $('LSsession_ldapserver');
			if ( ! this.select_ldapserver ) 
				return;
			this.select_ldapserver.addEvent('change',this.onLdapServerChanged.bind(this));
    },

		onLdapServerChanged: function(){
			varLSdefault.loadingImgDisplay(this.select_ldapserver);
			var server = this.select_ldapserver.value;
			var data = {
				template:	'login',
				action:		'onLdapServerChanged',
				server:		server
			};
			new Ajax('index_ajax.php',  {data: data, onComplete: this.onLdapServerChangedComplete.bind(this)}).request();
		},

		onLdapServerChangedComplete: function(responseText, responseXML){
			varLSdefault.loadingImgHide();
			var data = Json.evaluate(responseText);
			LSdebug(data);
			if ( data ) {
				if (data.LSerror) {
					varLSdefault.displayError(data.LSerror);
					return;
				}
				else {
					$('LSsession_topDn').getParent().setHTML(data.list_topDn);
					LSdebug($('LSsession_topDn').innerHTML);
					$$('.loginform-level').each(function(el) {
						el.setStyle('display','block');
					});
				}
			}
			else {
				$$('.loginform-level').each(function(el) {
					el.setStyle('display','none');
				});
				$('LSsession_topDn').empty();
			}
		}
});
window.addEvent(window.ie ? 'load' : 'domready', function() {
	varLSsession_login = new LSsession_login();
});