$(document).ready(function()
{
    $("#login").click(function (event){
	
        event.preventDefault(); 
      
    	$.post("includes/php/mod.login.php", $("#login-form").serialize(),
  			  function(data){
				if(data['result']=='ok'){
			    	tb_show('Thickbox Title', 'includes/php/test.php?height=400&width=600', null);
  			    }
		    	else
		    	{
					document.getElementById('login-form').submit();
		    	} 
  			  },"json");
    });
});