<script type="text/javascript" language="JavaScript">
function MM_findObj(n, d) {
//v4.0
var p,i,x; if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);
}
if(!(x=d[n])&&d.all)
x=d.all[n];
for (i=0;!x&&i<d.forms.length;i++)
x=d.forms[i][n];
for(i=0;!x&&d.layers&&i<d.layers.length;i++)
x=MM_findObj(n,d.layers[i].document);
if(!x && document.getElementById)
x=document.getElementById(n);
return x;
}
function MM_showHideLayers() {
//v3.0
var i,p,v,obj,args=MM_showHideLayers.arguments;
for (i=0; i<(args.length-2); i+=3)
if ((obj=MM_findObj(args[i]))!=null) {
v=args[i+2];
if (obj.style) {
obj=obj.style; v=(v=='show')?'visible':(v='hide')?'hidden':v; }
obj.visibility=v; }
}
</script>
<div>
<map name="Landkarte">
<area shape="rect" coords="0,0,50,50" onMouseOver="MM_showHideLayers('map1','','show','map2','','hide','map3','','hide','map4','','hide')" onMouseOut="MM_showHideLayers('map1','','hide','map2','','hide','map3','','hide','map4','','hide')" alt="map 1">
<area shape="rect" coords="50,0,100,50" onMouseOver="MM_showHideLayers('map1','','hide','map2','','show','map3','','hide','map4','','hide')" onMouseOut="MM_showHideLayers('map1','','hide','map2','','hide','map3','','hide','map4','','hide')" alt="map 2">
<area shape="rect" coords="0,50,50,100" onMouseOver="MM_showHideLayers('map1','','hide','map2','','hide','map3','','show','map4','','hide')" onMouseOut="MM_showHideLayers('map1','','hide','map2','','hide','map3','','hide','map4','','hide')" alt="map 3">
<area shape="rect" coords="50,50,100,100" onMouseOver="MM_showHideLayers('map1','','hide','map2','','hide','map3','','hide','map4','','show')" onMouseOut="MM_showHideLayers('map1','','hide','map2','','hide','map3','','hide','map4','','hide')" alt="map 4">
</map>
</div>
<div id="map1" style="position:absolute; z-index:1; left:50%; margin-left:-50px; top:50%; margin-top:-50px; width:100px; height:100px; visibility: hidden;">Karteninfo 1</div>
<div id="map2" style="position:absolute; z-index:2; left:50%; margin-left:-50px; top:50%; margin-top:-50px; width:100px; height:100px; visibility: hidden;">Karteninfo 2</div>
<div id="map3" style="position:absolute; z-index:3; left:50%; margin-left:-50px; top:50%; margin-top:-50px; width:100px; height:100px; visibility: hidden;">Karteninfo 3</div>
<div id="map4" style="position:absolute; z-index:4; left:50%; margin-left:-50px; top:50%; margin-top:-50px; width:100px; height:100px; visibility: hidden;">Karteninfo 4</div>
<p><img src="karte.png" width="100" height="100" alt="Karte" usemap="#Landkarte"></p>