/* MENÜ - SCRIPT */

iehover = function() {
	var sfEls = document.getElementById("nav").getElementsByTagName("LI");
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
			this.className+=" iehover";
		}
		sfEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" iehover\\b"), "");
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", iehover);

/* TOGGLE - SCRIPT (News)*/

function toggle(control)
{
var elem = document.getElementById(control);
if(elem.style.display == "block")
{
elem.style.display = "none";
}
else
{
elem.style.display = "block";
}
}


/* Bildwechsel-Script */
var isNN,isIE;
var anzahl = 5; // Anzahl der Bilder
var num = Math.round(Math.random()*4+1);

if (parseInt(navigator.appVersion.charAt(0))>=4){
isNN=(navigator.appName=="Netscape")?1:0;
isIE=(navigator.appName.indexOf("Microsoft")!=-1)?1:0;
}

function showImage() {
image="Layout/Schule_Klein0"+num+".jpg";
if (isIE) {
document.images["pic0"].src = image;
} else if (isNN) {
document.images["pic0"].src = image;
}
}

function nextImage() {
if (num < anzahl) {
num++;
}
else {
num = 1;
}
showImage();
}
function prevImage() {
if (num > 1) {
num--;
}
else {
num = anzahl;
}

showImage();
}
function lastImage() {
num = anzahl;
showImage();
}
function firstImage() {
num = 1;
showImage();
}