$(document).ready(function()
{
	$("input").alphanumeric({allow:"@, ., "});

	$("#navigation li .hover").css(
	{
		"opacity" : 0
	});

	$("#navigation li").hover(function()
	{
		$(".hover", this).animate(
		{
			"opacity" : 0.75
		}, {duration: 300, queue: false});
	},
	function ()
	{
		$(".hover", this).animate(
		{
			"opacity" : 0
		}, {duration: 600, queue: false});
	});
});