function stretchie() {
    if(navigator.appName == "Microsoft Internet Explorer") {
	document.getElementById("stretch-left").style.height = document.body.offsetHeight + 170 + "px";  }
}


function lastupdate() {
    var monatsnamen = new Array("Januar","Februar","März","April","Mai","Juni","Juli","August","September","Oktober","November","Dezember");
    var modification = new Date(document.lastModified);
    document.write(modification.getDate() + ". " + monatsnamen[modification.getMonth()] + " " + modification.getFullYear());
}


function show(elementid) {
    var popmenus = document.cookie.substring(6,9);
    /* alert(popmenus); */
    if (popmenus == "ein" || elementid == "topmenu") {
	var anzeige = document.createAttribute("style");
	anzeige.nodeValue = "visibility:visible";
	document.getElementById(elementid).setAttributeNode(anzeige);
    }
}


function hide(elementid) {
    var anzeige = document.createAttribute("style");
    anzeige.nodeValue = "visibility:hidden";
    document.getElementById(elementid).setAttributeNode(anzeige);
}


function menustatus() {
    var popmenus = document.cookie.substring(6,9);
    if (popmenus == "ein") {
	var menustatus = "aus";
    }
    else {
	var menustatus = "an";
    }
    document.write("<a xmlns=\"http://www.w3.org/1999/xhtml\" href=\"javascript:switchmenus()\">Pop-Ups " + menustatus + "schalten</a>");
}


function switchmenus() {
    var exp = new Date();
    exp.setTime(exp.getTime() + 24*60*60*90*1000);
    var expDate = exp.toGMTString();

    var popmenus = document.cookie.substring(6,9);
    if (popmenus == "ein") {
	var popmenus = "aus";
    }
    else {
	var popmenus = "ein";
    }
    document.cookie = "menus=" + popmenus + ";expires=" + expDate;
    window.location.reload();
}