startList = function() {
if (document.all&&document.getElementById) {
navRoot = document.getElementById("nav");
for (i=0; i<navRoot.childNodes.length; i++) {
node = navRoot.childNodes[i];
if (node.nodeName=="LI") {
node.onmouseover=function() {
this.className+=" over";
  }
  node.onmouseout=function() {
  this.className=this.className.replace(" over", "");
   }
   }
  }
 }
}
window.onload=startList;


//
// pause(numberMillis)
// Pauses code execution for specified time. Uses busy code, not good.
// Code from http://www.faqts.com/knowledge_base/view.phtml/aid/1602
//
function pause(numberMillis) {
	var now = new Date();
	var exitTime = now.getTime() + numberMillis;
	while (true) {
		now = new Date();
		if (now.getTime() > exitTime)
			return;
	}
}
var numberofpics = 0;
var numberofleftpics = 0

var mygoright = function goright(){
	if (numberofpics == 0){
		numberofpics = $('numberofpics').value;
	}
	numberofleftpics += 3;
	if (numberofpics <= numberofleftpics + 3) {
		$('nachrechts').style.visibility = 'hidden';
	}
	$('nachlinks').style.visibility = 'visible';
}
var mygoleft = function goleft(){
	numberofleftpics -=3;
	if (numberofleftpics < 1){
		$('nachlinks').style.visibility = 'hidden';
	}
	$('nachrechts').style.visibility = 'visible';
}