function validateLoginForm()
{
	clearValidationFlag(); // Important !
		
	validateNonEmpty(document.frmLogin.login_user_name, "vLoginUserName");
	validateNonEmpty(document.frmLogin.login_password, "vLoginPassword");								
		
	if (isValid()) 
	{
		// action = location.href;
		document.frmLogin.login_form_event.value = "PROCESS";
		submit();					
	}
}

function validateSearchForm()
{
	clearValidationFlag(); // Important !
	
	validateNonEmpty(document.frmSearch.search_words, "vSearchWords");			
	
	if (isValid()) 
	{
		// action = location.href;				
		document.frmSearch.submit();					
	}
}

function logout()
{
	document.frmLogin.login_form_event.value = "LOGOUT";
	document.frmLogin.submit();					
}