CorkBoard = function() {
    return {
        init: function() {
            Event.observe($('frmCorkBoard'), 'submit', CorkBoard.onSubmit);
        },
        
        onSubmit: function(evt) {
           
            if($F('txtauthor').strip() == '')
            {
                alert('Please enter name.');
                Event.stop(evt);
                return false;
            }
            
            if($F('txtemail').strip() == '')
            {
                alert('Please enter email.');
                Event.stop(evt);
                return false;
            }
            else
            {
                if(/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test($F('txtemail').strip()) == false)
                {
                    alert('Please enter a valid email.');
                    Event.stop(evt);
                    return false;
                }
            }
            
            if($F('txtsubject').strip() == '')
            {
                alert('Please enter subject.');
                Event.stop(evt);
                return false;
            }
            
            if($F('txtCode').strip() == '')
            {
                alert('Please enter code.');
                Event.stop(evt);
                return false;
            }  
        }
    };
}();


Event.observe(window, 'load', function() {
     CorkBoard.init();   
});