function swapImgRestore() {
    var i,x,a=document.sr;
    for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
    }

function preloadImages() {
    var d=document;
    if(d.images){
        if(!d.p) d.p=new Array();
        var i,j=d.p.length,a=preloadImages.arguments;
        for(i=0; i<a.length; i++)
        if (a[i].indexOf("#")!=0){ d.p[j]=new Image; d.p[j++].src=a[i];}}
    }

function findObj(n, d) {
    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=findObj(n,d.layers[i].document);
    if(!x && document.getElementById) x=document.getElementById(n);
    return x;
    }

function swapImage() {
    var i,j=0,x,a=swapImage.arguments;
    document.sr=new Array;
    for(i=0;i<(a.length-2);i+=3)
    if ((x=findObj(a[i]))!=null){
        document.sr[j++]=x;
        if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];
        }
    }

function openWin(theURL,winName,features)
    {fenster = window.open(theURL,winName,features);}