//------------------------------------------------------------------------------------------
// steuerung bilder tausch product info bereich begin
//------------------------------------------------------------------------------------------
function ImgChange(operation, gesImg)
    {
    var ShowImg;
    var CurrentImg;
    
    var element;
    var src;
    
    for(i=0; i<gesImg; i++)
        {
        element = document.getElementById(i);
        if(element.style.display == 'block')
            {
            CurrentImg = i;
            }
        }
    
    if(operation == '+')
        {
        ShowImg = CurrentImg + 1;
        }
    else if(operation == '-')
        {
        ShowImg = CurrentImg - 1;
        }
    
    if(ShowImg < gesImg && ShowImg >= 0)
        {
        //document.getElementById(ShowImg).style.display = 'block';
        //document.getElementById(CurrentImg).style.display = 'none';
        
        BlendImage(CurrentImg, ShowImg);
        
        src = document.getElementById('link_'+ShowImg).href;
        document.getElementById('RenderProInfoTextViewLarger').href = src;
        document.getElementById('ImgLupe').href = src;
        }
    }

function HideShowImg(ID, display)
    {
    document.getElementById(ID).style.display = display;
    }

function CountHoch(ImgID, counter, speed, compare)
    {
    for(i=0; i<=100; i++)
        {
        setTimeout("ChangeOpac(" + i + ", '" + ImgID + "')", (counter * speed));
        counter++;
        if(i == compare)
            {
            setTimeout("HideShowImg('" + ImgID + "', 'block')", ((counter * speed)));
            }
        }
    return counter;
    }

function CountRunter(ImgID, counter, speed, compare)
    {
    for(j=100; j>=0; j--)
        {
        setTimeout("ChangeOpac(" + j + ", '" + ImgID + "')", (counter * speed));
        counter++;
        if(j == 0)
            {
            setTimeout("HideShowImg('" + ImgID + "', 'none')", ((counter * speed)));
            }
        }
    return counter;
    }

function BlendImage(OldImgID, NewImgID)
    {
    var millisec = 500;
    var speed = Math.round(millisec / 100);
    var tmp_time = 0;
    var timer = 0;
    
    if(OldImgID < NewImgID)
        {
        document.getElementById(NewImgID).style.display = 'block';
        ChangeOpac(0, NewImgID);
        tmp_time = CountRunter(OldImgID, timer, speed);
        CountHoch(NewImgID, tmp_time, speed, 100);
        }
    else if(OldImgID > NewImgID)
        {
        tmp_time = CountRunter(OldImgID, timer, speed);
        CountHoch(NewImgID, tmp_time, speed, 0);
        }
    }
function ChangeOpac(opacity, id)
    {
    var objdiv = document.getElementById(id).style;
    var objimg = document.getElementById('img_' + id).style;
    objdiv.opacity = (opacity / 100);
    objdiv.MozOpacity = (opacity / 100);
    objdiv.KhtmlOpacity = (opacity / 100);
    objdiv.filter = "Alpha(opacity=" + opacity + ")";
    objimg.filter = "Alpha(opacity=" + opacity + ")"; 
    }
//------------------------------------------------------------------------------------------
// steuerung bilder tausch product info bereich end
//------------------------------------------------------------------------------------------
//------------------------------------------------------------------------------------------
// steuerung zeige popup img begin == TEST
//------------------------------------------------------------------------------------------
function Test(img_pfad)
    {

    }
//------------------------------------------------------------------------------------------
// steuerung zeige popup img end
//------------------------------------------------------------------------------------------
//------------------------------------------------------------------------------------------
// steuerung erstelle account begin
//------------------------------------------------------------------------------------------
function createAccount()
    {
    if(document.getElementById('guest').checked == true)
        {
        document.getElementById('link').href = 'create_guest_account.php';
        }
    else if(document.getElementById('register').checked == true)
        {
        document.getElementById('link').href = 'create_account.php';
        }
    }
//------------------------------------------------------------------------------------------
// steuerung erstelle account end
//------------------------------------------------------------------------------------------
//------------------------------------------------------------------------------------------
// steuerung wishlist begin
//------------------------------------------------------------------------------------------
function submit_to_wishlist()
    {
    document.cart_quantity.submit_target.value = "wishlist";
    document.cart_quantity.submit();
    }
//------------------------------------------------------------------------------------------
// steuerung wishlist end
//------------------------------------------------------------------------------------------