// JScript File
var cX = 0; var cY = 0; var rX = 0; var rY = 0;
var hidden = 0;
var numberOfImg = 3; // ile jest referencji
var actualImg = 1; // aktualnie wyswietlany numer referencji

function UpdateCursorPosition(e)
{ 
    cX = e.pageX; 
    cY = e.pageY;
}
function UpdateCursorPositionDocAll(e)
{
    cX = event.clientX; 
    cY = event.clientY;
}
if(document.all) 
{ 
    document.onmousemove = UpdateCursorPositionDocAll; 
}
else 
{ 
    document.onmousemove = UpdateCursorPosition; 
}

function AssignPosition(d) 
{
    if(self.pageYOffset) 
    {
        rX = self.pageXOffset;
        rY = self.pageYOffset;
    }
    else if(document.documentElement && document.documentElement.scrollTop) 
    {
        rX = document.documentElement.scrollLeft;
        rY = document.documentElement.scrollTop;
    }
    else if(document.body) 
    {
        rX = document.body.scrollLeft;
        rY = document.body.scrollTop;
    }
    if(document.all) 
    {
        cX += rX;
        cY += rY;
    }
    d.style.left = (cX+10) + "px";
    d.style.top = (cY+10) + "px";
}
function HideOnClick(d)
{
    hidden = 1;
    HideContent(d, 0);
}
function HideContent(d, mouseOut) 
{
    if (mouseOut == 1)
        hidden = 0;
        
    if(d.length < 1) 
    { 
        return;     
    }
    document.getElementById(d).style.display = "none";
}
function ShowContent(d) 
{
    if (hidden == 0)
    {
        if(d.length < 1) 
        { 
            return; 
        }
        var dd = document.getElementById(d);
        AssignPosition(dd);
        
        if (dd.innerHTML.length > 0)
            dd.style.display = "block";
    }
}
function ReverseContentDisplay(d) 
{
    if(d.length < 1) 
    { 
        return;
    }
    var dd = document.getElementById(d);
    AssignPosition(dd);
    if(dd.style.display == "none") 
    { 
        dd.style.display = "block"; 
    }
    else 
    { 
        dd.style.display = "none"; 
    }
}


function NextImg()
{            
    if (actualImg < numberOfImg)
    {
        actualImg ++;
        document.getElementById('leftArrow').src = "../images/arrow_left.gif";
        document.getElementById('leftArrow').style.cursor = "hand";        
        document.getElementById('imgTestimonials').src = '../images/ref_img_' + actualImg + '.jpg';            
        if (document.getElementById('imgTooltip') != null)
            document.getElementById('imgTooltip').innerHTML = document.getElementById('imgTooltip_' + actualImg).innerHTML;
         
        if (actualImg == numberOfImg)
        {
            document.getElementById('rightArrow').src = "../images/arrow_right_disable.gif";
            document.getElementById('rightArrow').style.cursor = "auto";
        }
    }
    RefreshNumbers();
}
        
function PrevImg()
{            
    if (actualImg > 1)
    {
        actualImg --;
        document.getElementById('rightArrow').src = "../images/arrow_right.gif";
        document.getElementById('rightArrow').style.cursor = "hand";
        document.getElementById('imgTestimonials').src = '../images/ref_img_' + actualImg + '.jpg'; 
       
        if (document.getElementById('imgTooltip') != null)        
            document.getElementById('imgTooltip').innerHTML = document.getElementById('imgTooltip_' + actualImg).innerHTML;
        
        if (actualImg == 1)
        {
            document.getElementById('leftArrow').src = "../images/arrow_left_disable.gif";
            document.getElementById('leftArrow').style.cursor = "auto";
        }
    }
    RefreshNumbers();
}
        
function ShowLargeImg(number)
{
    document.getElementById('imgTestimonials').src = '../images/ref_img_' + number + '.jpg';
}

function ReturnImg()
{
    document.getElementById('imgTestimonials').src = '../images/ref_img_' + actualImg + '.jpg';
}
function ChangeLargeImg(number)
{
    actualImg = number;
    if (document.getElementById('imgTestimonials') != null)
    document.getElementById('imgTestimonials').src = '../images/ref_img_' + number + '.jpg';
    if (document.getElementById('imgTooltip') != null)
        document.getElementById('imgTooltip').innerHTML = document.getElementById('imgTooltip_' + actualImg).innerHTML;
    if (actualImg == 1)
    {
        document.getElementById('rightArrow').src = "../images/arrow_right.gif";
        document.getElementById('rightArrow').style.cursor = "hand";
        document.getElementById('leftArrow').src = "../images/arrow_left_disable.gif";
        document.getElementById('leftArrow').style.cursor = "auto";
    }
    if (actualImg == numberOfImg)
    {
        document.getElementById('rightArrow').src = "../images/arrow_right_disable.gif";
        document.getElementById('rightArrow').style.cursor = "auto";
        document.getElementById('leftArrow').src = "../images/arrow_left.gif";
        document.getElementById('leftArrow').style.cursor = "hand";
    }
    
    RefreshNumbers();    
    
}

function RefreshNumbers()
{
    var i = 1;
    
    for (i = 1; i <= numberOfImg; i++)
    {
        if (i == actualImg)
        {   
            document.getElementById('ref_logo_' + i).className = "current_logo";                
        }
        else
        {   
            document.getElementById('ref_logo_' + i).className = "ref_logo";
        }
    }
}