if(document.getElementById){
        var speed     = 1;
        var timerID   = null;
        var ShowFull  = true; // Speed must be 1 to work with this
    }

    function ScrollStop(){
        if(document.getElementById && !ShowFull) clearTimeout(timerID);
    }
    
    function ScrollUp(){
        if(document.getElementById){
            var scrollObj = document.getElementById('_pictures');
            if(parseInt(scrollObj.style.top) < 0) {
                scrollObj.style.top = parseInt(scrollObj.style.top) + speed + "px";
                if ( (parseInt(scrollObj.style.top) % tHeight) != 0)
                    timerID = setTimeout("ScrollUp()",10);
            }
        }
    }
    
    function ScrollDown(){
        if(document.getElementById){
            var scrollObj = document.getElementById('_pictures');
            if(parseInt(scrollObj.style.top) > document.getElementById('_pictureScroll').offsetHeight - scrollObj.offsetHeight) {
                scrollObj.style.top = parseInt(scrollObj.style.top) - speed + "px";
                if ( (parseInt(scrollObj.style.top) % tHeight) != 0)
                    timerID = setTimeout("ScrollDown()",10);
            }
        }
    }
    
    function ScrollRight(){
        if(document.getElementById){
            var scrollObj = document.getElementById('_pictures');
            if(parseInt(scrollObj.style.right) > document.getElementById('_pictureScroll').offsetWidth - scrollObj.offsetWidth) {
                scrollObj.style.right = parseInt(scrollObj.style.right) - speed + "px";
                document.getElementById('ArrowLeft').style.display = 'block'; 
                if ( (parseInt(scrollObj.style.right) % tWidth) != 0)
                    timerID = setTimeout("ScrollRight()",10);
            } 
            if (parseInt(scrollObj.style.right) <= document.getElementById('_pictureScroll').offsetWidth - scrollObj.offsetWidth)
                document.getElementById('ArrowRight').style.display = 'none'; 
        }
    }

    function ScrollLeft(){
        if(document.getElementById){
            var scrollObj = document.getElementById('_pictures');       
            if(parseInt(scrollObj.style.right) < 0) {
                scrollObj.style.right = parseInt(scrollObj.style.right) + speed + "px";
                document.getElementById('ArrowRight').style.display = 'block'; 
                if ( (parseInt(scrollObj.style.right) % tWidth) != 0)
                    timerID = setTimeout("ScrollLeft()",10);
            }
            if(parseInt(scrollObj.style.right) >= 0) {
               document.getElementById('ArrowLeft').style.display = 'none'; 
            }
        }
    }

function showBigPicture(imageurl) {
    bigPicture = document.getElementById('foto_content');
    if (bigPicture)
        bigPicture.innerHTML= '<img src="'+imageurl+'" class="bigPicture">';
}