window.addEvent('domready', function(){
    
    $('xINHALT').setStyle('overflow','hidden');

    $('xUP').addEvent('mouseover', function(e){
        scrollDenDivHorizontal(1);
    });
    $('xUP').addEvent('mouseout', function(e){
        clearTimeout(xtimer);
    });
    $('xDOWN').addEvent('mouseover', function(e){
        scrollDenDivHorizontal(2);
    });
    $('xDOWN').addEvent('mouseout', function(e){
        clearTimeout(xtimer);
    });
});

var xpxscroll = 8;//mehr=schneller
var xtimer;

//Scrollfunktion
function scrollDenDivHorizontal(xval){
    clearTimeout(xtimer);
    xscrollelement=document.getElementById('xINHALT');
    xwert=xscrollelement.scrollLeft;

    if(xval==1)xwert-=xpxscroll;
    if(xval==2)xwert+=xpxscroll;
    
    if(xwert<=xscrollelement.scrollWidth-xscrollelement.offsetWidth+xpxscroll&&xwert>=0-xpxscroll){
        xscrollelement.scrollLeft=xwert;
        xtimer=setTimeout('scrollDenDivHorizontal('+xval+')',50);
    }
    if(xwert<0||xwert>xscrollelement.scrollWidth-xscrollelement.offsetWidth){
        clearTimeout(xtimer);
    }    
}