$(function() {

    var email = $("#email"),
  			password = $("#password"),
  			allFields = $([]).add(email).add(password),
  			tips = $("p.validateTips");

    function updateTips(t) {
    	tips.text(t).effect("highlight",{},1500);
    }


    function checkNotEmpty(o,n) {
      if ( o.val().length < 1 ) {
    		o.addClass('ui-state-error');
    		updateTips("You must enter " + n);
    		return false;
      } else {
        return true;
      }
    }

    function checkLength(o,n,min,max) {

    	if ( o.val().length > max || o.val().length < min ) {
    		o.addClass('ui-state-error');
    		updateTips("Length of " + n + " must be between "+min+" and "+max+".");
    		return false;
    	} else {
    		return true;
    	}

    }

    function checkRegexp(o,regexp,n) {

    	if ( !( regexp.test( o.val() ) ) ) {
    		o.addClass('ui-state-error');
    		updateTips(n);
    		return false;
    	} else {
    		return true;
    	}

    }

    $.ui.dialog.defaults.bgiframe = true;
    $("#login-form").dialog({
			bgiframe: true,
			autoOpen: false,
			height: 290,
			modal: true,
			buttons: {
				'Login': function() {
					var bValid = true;
					allFields.removeClass('ui-state-error');

					bValid = bValid && checkNotEmpty(email," an Email address");
					bValid = bValid && checkNotEmpty(password,"a Password");

					// From jquery.validate.js (by joern), contributed by Scott Gonzalez: http://projects.scottsplayground.com/email_address_validation/
					bValid = bValid && checkRegexp(email,/^((([a-z]|\d|[!#\$%&'\*\+\-\/=\?\^_`{\|}~]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])+(\.([a-z]|\d|[!#\$%&'\*\+\-\/=\?\^_`{\|}~]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])+)*)|((\x22)((((\x20|\x09)*(\x0d\x0a))?(\x20|\x09)+)?(([\x01-\x08\x0b\x0c\x0e-\x1f\x7f]|\x21|[\x23-\x5b]|[\x5d-\x7e]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(\\([\x01-\x09\x0b\x0c\x0d-\x7f]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]))))*(((\x20|\x09)*(\x0d\x0a))?(\x20|\x09)+)?(\x22)))@((([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.)+(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.?$/i,"eg. cars@utvdrive.com");

					//bValid = bValid && checkRegexp(password,/^([0-9a-zA-Z])+$/,"Password field only allow : a-z 0-9");

					if (bValid) {
					  $("#login-form form").submit();
						$(this).dialog('close');
					}
				},
				Cancel: function() {
					$(this).dialog('close');
				}
			},
			close: function() {
				allFields.val('').removeClass('ui-state-error');
			}
		});

    $('a.sign-in').click(function() {
      $('#login-form').dialog('open');
      return false;
    })

    $('#login-form input').keypress(function(e) {
      if ((e.which && e.which == 13) || (e.keyCode && e.keyCode == 13)) {
        // $('.ui-dialog :tabbable').each(function(){ alert(this.id) })
        $('.ui-dialog :tabbable:eq(5)').click();
        return false;
      }
    });

})