// AJAX

  var http_request = false;
 
    function macheRequest(url) {
 
        http_request = false;
 
        if (window.XMLHttpRequest) { // Mozilla, Safari,...
            http_request = new XMLHttpRequest();
        } else if (window.ActiveXObject) { // IE
            try {
                http_request = new ActiveXObject("Msxml2.XMLHTTP");
            } catch (e) {
                try {
                    http_request = new ActiveXObject("Microsoft.XMLHTTP");
                } catch (e) {}
            }
        }
 
        if (!http_request) {
            alert('Ende :( Kann keine XMLHTTP-Instanz erzeugen');
            return false;
        }
        http_request.open('GET', url, true);
        http_request.onreadystatechange = alertInhalt;
        http_request.send(null);
 
    }
 
    function alertInhalt() {
        if (http_request.readyState == 4) {
              var answer = http_request.responseText;
              if(document.getElementById("inhalt").innerHTML != answer){
                document.getElementById("inhalt").innerHTML = answer;
              }
              else{
                document.getElementById("inhalt").innerHTML = "";
              }
        }
 
    }
	setInterval("macheRequest('includes/useronline.php')",1000);
	
// Ticker

var use_debug = false;

	function debug(){
		if( use_debug && window.console && window.console.log ) console.log(arguments);
	}

	// on DOM ready
	$(document).ready(function (){
		$(".marquee").marquee({
			loop: -1
			// this callback runs when the marquee is initialized
			, init: function ($marquee, options){
				debug("init", arguments);

				// shows how we can change the options at runtime
				if( $marquee.is("#marquee2") ) options.yScroll = "bottom";
			}
			// this callback runs before a marquee is shown
			, beforeshow: function ($marquee, $li){
				debug("beforeshow", arguments);

				// check to see if we have an author in the message (used in #marquee6)
				var $author = $li.find(".author");
				// move author from the item marquee-author layer and then fade it in
				if( $author.length ){
					$("#marquee-author").html("<span style='display:none;'>" + $author.html() + "</span>").find("> span").fadeIn(850);
				}
			}
			// this callback runs when a has fully scrolled into view (from either top or bottom)
			, show: function (){
				debug("show", arguments);
			}
			// this callback runs when a after message has being shown
			, aftershow: function ($marquee, $li){
				debug("aftershow", arguments);

				// find the author
				var $author = $li.find(".author");
				// hide the author
				if( $author.length ) $("#marquee-author").find("> span").fadeOut(250);
			}
		});
	});
	
	var iNewMessageCount = 0;
	
	function addMessage(selector){
		// increase counter
		iNewMessageCount++;

		// append a new message to the marquee scrolling list
		var $ul = $(selector).append("<li>New message #" + iNewMessageCount + "</li>");
		// update the marquee
		$ul.marquee("update");
	}
	
	function pause(selector){
		$(selector).marquee('pause');
	}
	
	function resume(selector){
		$(selector).marquee('resume');
	}