<script type="text/javascript">
function ladebalken(){
var s = new Date();
s = s.getTime();
var sekunden = 100;
var breite = 300;
var hoehe = 20;
var balken = document.getElementById("balken");
var ladung = document.getElementById("ladung");
balken.style.width = breite+"px";
balken.style.border = "1px solid gray";
ladung.style.backgroundColor = "gray";
ladung.style.height = hoehe +"px";
prozent = function(){
e = new Date();
w = Math.ceil(breite/sekunden*(e.getTime()-s)/1000);
if (w >= breite){
clearInterval(sto);
ladung.style.width = breite+"px";
}
else {
ladung.style.width = w+"px";
}
}
sto = setInterval("prozent()",50);
}
</script></a> <div id="balken"> <div id="ladung"></div> </div> <a href="javascript:Aendern()"> <script type="text/javascript">
ladebalken();
</script>

<div onclick="javascriptAnweisung();">
 Text
</div>