// JavaScript Document
function showDiv(divId) {
    if ( divId != "" ) {
	var re = new RegExp("^sub");
        navi=divId.replace(re,"");
	subnavi="sub"+navi;
        document.getElementById(subnavi).style.visibility = "visible";
    }
}
function hideDiv(divId) {
    if ( divId != "" ) {
	var re = new RegExp("^sub");
    
	navi=divId.replace(re,"");
	subnavi="sub"+navi;
	document.getElementById(subnavi).style.visibility = "hidden";
    }
}

reiter = new Array("reiter0","reiter1","reiter2","reiter3");
content = new Array("Reiter01","Reiter02","Reiter03","Reiter04");
var aktiv = "";

function Bildwechsel(aktiv,nummer) {
for (var i=0; i < reiter.length; ++i){
var nodeObj = reiter[i]; 
var nodeHide = content[i];
document.getElementById(nodeObj).style.background = "url(../images/" + reiter[i] + ".jpg)";
document.getElementById(nodeHide).style.display = "none";
}
var nodeShow = content[nummer];
document.getElementById(aktiv).style.background = "url(../images/" + reiter[nummer] + ".jpg)";
document.getElementById(nodeShow).style.display = "inline";
}