function trim(strText) {
	// this will get rid of leading spaces
	while (strText.substring(0,1) == ' ')
		strText = strText.substring(1, strText.length);

	// this will get rid of trailing spaces
	while (strText.substring(strText.length-1,strText.length) == ' ')
		strText = strText.substring(0, strText.length-1);

	return strText;
}


function validation() {
	var msg='';
	
	if(document.forms.frmLogin.txtUsername.value == '') {msg+='\n - Username'}
	if(document.forms.frmLogin.txtPassword.value == '') {msg+='\n - Password'}
	
	if (msg=='') {
	  document.forms.frmLogin.submit();
		return true;
	} else {
		alert('The following fields are required:\n' + msg);
		return false;
	}				 
}