(function($) 
{

	$.fn.maxlength = function(options)
	{
		var settings = jQuery.extend(
		{
			events:				      [],
			maxCharacters:		  56,
			status:				      true,
			statusClass:		    "status",
			statusText:			    " karaktert írhatsz még!",
			notificationClass:	"notification",
			showAlert: 			    false, 
			alertText:			    "Tűl sok a karakter",
			slider:				      false
		}, options );
		
		$.merge(settings.events, ['keyup']);

		return this.each(function() 
		{
			var item = $(this);
			var charactersLength = $(this).val().length;
			
			function updateStatus()
			{
				var charactersLeft = settings.maxCharacters - charactersLength;
				
				if(charactersLeft < 0) 
				{
					charactersLeft = 0;
				}

				item.next("div").html(charactersLeft + " " + settings.statusText);
			}

			function checkChars() 
			{
				var valid = true;
				
				if(charactersLength >= settings.maxCharacters) 
				{
					valid = false;
					item.addClass(settings.notificationClass);
					item.val(item.val().substr(0,settings.maxCharacters));
					showAlert();
				} 
				else 
				{
					if(item.hasClass(settings.notificationClass)) 
					{
						item.removeClass(settings.notificationClass);
					}
				}

				if(settings.status)
				{
					updateStatus();
				}
			}
						
			function showAlert() 
			{
				if(settings.showAlert)
				{
					alert(settings.alertText);
				}
			}

			function validateElement() 
			{
				var ret = false;
				
				if(item.is('textarea')) {
					ret = true;
				} else if(item.filter("input[type=text]")) {
					ret = true;
				} else if(item.filter("input[type=password]")) {
					ret = true;
				}

				return ret;
			}

			if(!validateElement()) 
			{
				return false;
			}
			
			$.each(settings.events, function (i, n) {
				item.bind(n, function(e) {
					charactersLength = item.val().length;
					checkChars();
				});
			});

			if(settings.status) 
			{
				item.after($("<div/>").addClass(settings.statusClass).html('-'));
				updateStatus();
			}

			if(!settings.status) 
			{
				var removeThisDiv = item.next("div."+settings.statusClass);
				
				if(removeThisDiv) {
					removeThisDiv.remove();
				}

			}

			if(settings.slider) {
				item.next().hide();
				
				item.focus(function(){
					item.next().slideDown('fast');
				});

				item.blur(function(){
					item.next().slideUp('fast');
				}); 
			}

		});
	};
})(jQuery);