function newsRotator(newsContainer) {
	var container = newsContainer;
	var news = $(container).find("p");
	var current =  $(container).find("p:first");
	var timer = null;
	var startTimer = function() {
		timer = setTimeout('document.getElementById("'+container.id+'").newsRotator.rotate()', 5000);
	};
	this.rotate = function() {
		current.animate({ width: 0 }, 2000, function() {
			current.css("width","0").css("display","none");
			current = current.next("p");
			if(current.size() == 0) current = $(container).find("p:first");
			current.css("display","block").animate({ width: 650 }, 2000);
			startTimer();
		});
	};
	this.start = function() {
		container.newsRotator = this;
		startTimer();
	};
}

$(document).ready(function() {
	newsRotate = new newsRotator(document.getElementById("news"));
	newsRotate.start();
});

function openExternal(URL) {
	var attr='';
	var winExt = window.open(URL,'_blank',attr);
	if(winExt && winExt.blur) winExt.focus();
}

function checkForm() {
  if (document.gbook.usrnme.value == "") {
    alert("Bitte Ihren Namen eingeben!");
    document.gbook.usrnme.focus();
    return false;
  }
  if (document.gbook.usrmal.value == "") {
    document.gbook.usrmal.value = "-"
  }
  if (document.gbook.usrsbj.value == "") {
    alert("Kein Betreff angegeben!");
    document.gbook.usrsbj.focus();
    return false;
  }
  if (document.gbook.usrcnt.value == "") {
    alert("Leere Nachricht!");
    document.Formular.Alter.focus();
    return false;
  }
}