function centeredWindow(winurl, winbreite, winhoehe) {

 var winseite = (screen.availWidth - winbreite) / 2;
 var winoben = (screen.availHeight - winhoehe) / 2;

 var parameter = ('width='+ winbreite +',height='+ winhoehe +',left='+ winseite +',top='+ winoben +',scrollbars=yes,resizable=yes,status=yes');

 var winname = window.open(winurl,'myWindow',parameter);

 winname.focus();

}


function gastroWindow()
{
	 var winseite = (screen.availWidth - 790) / 2;
	 var winoben = (screen.availHeight - 540) / 2;
	
	 var parameter = 'width=790,height=540,left='+ winseite +',top='+ winoben +',resizable=no,scrollbars=no,menubar=no,toolbar=no,directories=no,location=no,status=yes';
	
	 var gastrowin = window.open('http://www.kreuzer-leipzig.de/gastro/frameset.html','gastroWindow',parameter);
	
	 gastrowin.focus();
}

/*** Cookie-Funktionen für LayerAds ***/

function Get_Cookie(name)
{
	var start = document.cookie.indexOf(name+"=");
	var len = start+name.length+1;
	if ((!start) && (name != document.cookie.substring(0,name.length))) return null;
	if (start == -1) return null;
	var end = document.cookie.indexOf(";",len);
	if (end == -1) end = document.cookie.length;
	return unescape(document.cookie.substring(len,end));
}

function Set_Cookie(name,value,expires,path,domain,secure)
{
	var cookieString = name + "=" +escape(value) +
		( (expires) ? ";expires=" + expires.toGMTString() : "") +
		( (path) ? ";path=" + path : "") +
		( (domain) ? ";domain=" + domain : "") +
		( (secure) ? ";secure" : "");
	document.cookie = cookieString;
}

function check_layerad_capping(cookiename,cappingtime)
{
	if ( Get_Cookie('testcookie') != 'test' ) {
		Set_Cookie('testcookie','test',null,'/');
		if ( Get_Cookie('testcookie') != 'test' ) {
			return false;
		}
	}
	var now = new Date();
	var jetzt = parseInt(now.getTime()/1000);
	if ( Get_Cookie(cookiename) != '' && ( jetzt - parseInt(Get_Cookie(cookiename)) < cappingtime ) ) {
		return false;
	} else {
		Set_Cookie(cookiename,jetzt,null,'/');
		return true;
	}
}

function displayMovie(divname,moviefile)
{
	var width = (displayMovie.arguments[2]) ? displayMovie.arguments[2] : 400;
	var height = (displayMovie.arguments[3]) ? displayMovie.arguments[3] : 300;
	var s1 = new SWFObject(urlpfad + "downloads/movies/flvplayer.swf","single",width,height,"7");
	s1.addParam("allowfullscreen","true");
	s1.addVariable("file",urlpfad + "downloads/movies/" + moviefile);
	s1.addVariable("image","preview.jpg");
	s1.write(divname);
}


/*** Alle checkboxen bis auf die letzte im Aboformular resetten ***/
function deselectboxen() {

 d = document.abosendform;
 for (i = 0; i < d.elements.length; i++) {
   if (d.elements[i].type == "checkbox" && d.elements[i].id != "abobed" ) {
     d.elements[i].checked = false;
   }
 }
}