<!--
	function trim(s) {
		while ((s.length > 0) && (s.charAt(0) == ' ')) {
			s = s.substring(1, s.length);
		}
		while ((s.length > 0) && (s.charAt(s.length - 1) == ' ')) {
			s = s.substring(0, s.length - 1);
		}
		return s;
	} 
	function showError(msg) {
		if (document.getElementsByTagName('body')[0].innerText != undefined) {
			lblError.innerText = msg;
		} else {
			lblError.textContent = msg;
		}
		document.getElementById('trError').style.display = '';
	}
	function login() {
		var tbUsername = document.getElementById('tbUsername');
		var tbPassword = document.getElementById('tbPassword');
		var username = trim(tbUsername.value);
		var password = trim(tbPassword.value);
		tbUsername.value = username;
		tbPassword.value = password;
		if ((username == '') && (password == '')) {
			showError('Please enter your username and password.');
			tbUsername.focus();
		} else if (username == '') {
			showError('Please enter your username.');
			tbUsername.focus();
		} else if (password == '') {
			showError('Please enter your password.');
			tbPassword.focus();
		} else {
			document.getElementById('trError').style.display = 'none';
			__doPostBack('login', '');
		}
	}
	function submitForm() { 
		if (event.keyCode == 13) { 
			event.returnValue=false; 
			login();
		} 
	}
//-->