var  js10 = (document.images)?false:true; // NN2.x
var  js11 = (document.images) && ((window.screen)?false:true); // NN3.x
var  ie = ((document.all) && (window.offscreenBuffering)) ? true : false; // IE >= 4.x
var  isNS = ((document.captureEvents) && (!document.getElementById)) ? true : false; // NN4.x
var  mz = ((document.getElementById) && (!document.all) && (document.documentElement)) ? true : false; // NN6/MZ
var  op = ((document.getElementById) && (navigator.userAgent.indexOf('Opera') != -1)) ?true : false;
var isMacIE = ( (navigator.userAgent.indexOf("IE 4") > -1) && (navigator.userAgent.indexOf("Mac")  > -1) );

y=0; weiter=0;

function testen()
{
        br=0;
        if (ie)
        {
                br=2;
                schicht='document.all["';stil='"].style';
        }
        if (isNS)
        {
                schicht='document.layers.scrollWindowDiv.document.layers["';stil='"]';
        }
        if (mz)
        {
                schicht='document.getElementById("';stil='").style';
        }
        if(op)
        {
                schicht='document.getElementById("';stil='").style';
        }
        /* elsewindow.location.href="controlling.html"; // nur NN und IE !!!*/
}

function moveIt(wen,wert,maxhoehe)
{
        test=y;  // Hilfsvariable
        y+=wert;
        if (y < -maxhoehe || y > 1)
        {
                y=test;
                eval(schicht+wen+stil+'.top="'+y+'"');
        }
        else
        {
                eval(schicht+wen+stil+'.top="'+y+'"');
        }
}

function scrollen(wert,maxhoehe)
{
        a=wert;
        if(mz) a=a*3;
        moveIt('scrollContentDiv',a,maxhoehe);
        b=wert;
        c=maxhoehe;
        if ((weiter)&&(y<10)) setTimeout("scrollen(b,c)",1);
}

function gone()
{
        if(isNS)
        {
                document.scrollWindowDiv.document.scrollContentDiv.moveTo(0,0);
                y=0;
        }
        if(ie)
        {
                scrollContentDiv.style.pixelLeft=0;
                scrollContentDiv.style.pixelTop=0;
                y=0;
        }
        if(mz)
        {
                document.getElementById("scrollContentDiv").style.left="0px";
                document.getElementById("scrollContentDiv").style.top="0px";
                y=0;
        }
        if(op)
        {
                scrollContentDiv.style.pixelLeft=0;
                scrollContentDiv.style.pixelTop=0;
                y=0;

        }
}