slideShowURL = 'SlideShow_assets/SlideShow.html';       // parameter from openSlideShowWindow.js
slideShowNS4URL = 'SlideShow_assets/SlideShowNS4.html'; // parameter from openSlideShowWindow.js

slides = new Array();
slides[0] = new Slide('../Team Archive_files/FishEvade2.jpg', '259', '195', 'Little Fish Escapes\nRed Gum and Steel by Paul and Richard\nAn aspect of ‘Pond Life’. \nThe big fish out number the little fish, but it can survive by taking shelter  amongst the reeds. ');
slides[1] = new Slide('../Team Archive_files/FishAvoid2.jpg', '259', '195', 'Schoal Fish Escape\nRed Gum and Steel by Paul and Richard\nAn aspect of ‘Pond Life’.\nThe little fish out number the big fish, and they survive by hiding amongst each other.');
slides[2] = new Slide('../Team Archive_files/FishEscape2.jpg', '195', '259', 'One Escaped\nRed Gum and Steel by Paul and Richard\nAn aspect of ‘Pond Life’.\nThis little fish doesn’t take shelter in the reeds. \nOut numbered, it gets away for an instant...');
slides[3] = new Slide('../Team Archive_files/Pond2.jpg', '259', '195', 'Pond Life\nRed Gum and Steel by Paul and Richard\nA pond is a contained ecosystem. \nIt is all here; the food chain, shelter, \nyour reflection, pollution and its effects.\n');
slides[4] = new Slide('../Team Archive_files/Re-growth2.jpg', '259', '195', 'Re-growth\nRed Gum and Steel by Paul and Richard\nAfter a fire; the trees re-grow. Mysteriously, new growth emerges from the middle of the old timber. \nLinked to ‘Spontaneous Chicken’ and ‘Whole Tree’.');
slides[5] = new Slide('../Team Archive_files/Bonsai2.jpg', '195', '259', 'Bonsai Display Stand\nRed Gum and Steel by Paul and Richard\nThe clipped top pieces of wood and the disproportionate root frame the bonsai concept.\nThe steel mimics the spiral structure of timber.');
slides[6] = new Slide('../Team Archive_files/KitchenChoppingBench2.jpg', '259', '195', 'Kitchen Chopping Bench\nRed Gum and Steel by Paul and Richard\n');
slides[7] = new Slide('../Team Archive_files/Hole & bottle2.jpg', '259', '195', 'Table\nRed Gum and Steel by Paul and Richard\nThe contrast between form and surface. The root has complex form and simple surface texture. The top has complex texture and simple form.');
slides[8] = new Slide('../Team Archive_files/SmallWinerack2.jpg', '259', '195', 'Small Vine\nRed Gum and Steel by Paul and Richard\nThe bottles represent the grapes, \nthe timber leaves state age and tradition, \nthe steel is strength and grace.');
slides[9] = new Slide('../Team Archive_files/TwoTierTable2.jpg', '259', '195', 'Two Tier Table\nRed Gum and Steel by Paul and Richard\nThe two tier top was motivated by the\ncomplex root structure of the base.');
slides[10] = new Slide('../Team Archive_files/TightPlantStand2.jpg', '259', '195', 'Tight Plant Stand\nRed Gum and Steel by Paul and Richard\nThough cut-up the whole remains. Like a jig saw, the audience sees each piece and reassembles the original slab. We hope they think of the tree.');
slides[11] = new Slide('../Team Archive_files/HallStand2.jpg', '259', '195', 'Tree\nHat and Coat Rack\nRed Gum and Steel by Paul and Richard\nAn early experiment in subverting function. We wanted to make a tree that could be used for coats.');
slides[12] = new Slide('../Team Archive_files/surf lizard2.jpg', '195', '259', 'Surf Lizard\nCoffee Table\nRed Gum, Steel and Granite by Paul and Richard\nTo subvert function we created an event. \nThe table has a purpose in its life.');
slides[13] = new Slide('../Team Archive_files/Randle2.jpg', '191', '254', 'Surf Lizard\n‘Randle’ Coffee Table\nRed Gum, Steel and Granite by Paul and Richard\nPolished edges as Glenn is a smooth surfer.');
slides[14] = new Slide('../Team Archive_files/PenNicTable2.jpg', '259', '195', 'The Felled\nHuon Pine, Gum and Steel by Paul and Richard\nLike fallen trees, they lie with their roots exposed. They grow no more but  jut out like gravestones \nto their own demise');
slides[15] = new Slide('../Team Archive_files/florist2.jpg', '259', '195', 'florist\nCounter of wood and steel by Paul and Richard\nThe function and the form unite. The tree’s function is to hold bunches of flowers, as trees do. The form  ensures it makes sense when there are no flowers');
slides[16] = new Slide('../Team Archive_files/SmallChairs2.jpg', '195', '259', 'Light Setting\nRed Gum and Steel by Paul and Richard\nWe used the minimal amount of wood. Though small the chairs are comfortable, and the slight flex  in the steel gives a softness.');
isPureISOLatin1 = true;
contentEncodingConstant = 4;
feedbackURL = "TODO";
showFeedbackButton = false;
feedbackEnabled = true;

var MINIMUM_FONT = "10";
var UNITS = "";

function elementFontSize(element)
{
    var fontSize = MINIMUM_FONT; 

    if (document.defaultView)
    {
        var computedStyle = document.defaultView.getComputedStyle(element, null);
        if (computedStyle)
        {
            fontSize = computedStyle.getPropertyValue("font-size");
        }
    }
    else if (element.currentStyle)
    {
        fontSize = element.currentStyle.fontSize;
    }

    if ((UNITS.length == 0) && (fontSize != MINIMUM_FONT))
    {
        UNITS = fontSize.substring(fontSize.length - 2, fontSize.length)
    }

    return parseFloat(fontSize);
}

function adjustFontSizeIfTooBig(idOfElement)
{
    var oTextBoxOuterDiv;
    var oTextBoxMiddleDiv;
    var oTextBoxInnerDiv;
    var oTextBoxOuterDiv = document.getElementById(idOfElement);
    
    if (oTextBoxOuterDiv)
    {
        oTextBoxMiddleDiv = getChildOfType(oTextBoxOuterDiv, "DIV", 0);
        if (oTextBoxMiddleDiv)
        {
            oTextBoxInnerDiv = getChildOfType(oTextBoxMiddleDiv, "DIV", 0);
            if (oTextBoxInnerDiv)
            {
                var offsetHeight = oTextBoxInnerDiv.offsetHeight;
                var specifiedHeight = offsetHeight;
                if (oTextBoxMiddleDiv.style.height != "")
                {
                    specifiedHeight = parseFloat(oTextBoxMiddleDiv.style.height);
                }
                else if (oTextBoxOuterDiv.style.height != "")
                {
                    specifiedHeight = parseFloat(oTextBoxOuterDiv.style.height);
                }
                if (offsetHeight > specifiedHeight)
                {
                    var smallestFontSize = 200;
                    
                    var aParaChildren = getParaDescendants(oTextBoxInnerDiv);
                    var oneLine = false;
                    for (i = 0; i < aParaChildren.length; i++)
                    {
                        var oParagraphDiv = aParaChildren[i];
                        var lineHeight = elementLineHeight(oParagraphDiv);
                        oneLine = oneLine || (lineHeight * 1.5 >= specifiedHeight);
                        if (oParagraphDiv.nodeName == "DIV")
                        {
                            var fontSize = elementFontSize(oParagraphDiv);
                            smallestFontSize = Math.min( smallestFontSize, fontSize );
                            for (j = 0; j < oParagraphDiv.childNodes.length; j++)
                            {
                                var oSpan = oParagraphDiv.childNodes[j];
                                if ((oSpan.nodeName == "SPAN") || (oSpan.nodeName == "A"))
                                {
                                    fontSize = elementFontSize(oSpan);
                                    smallestFontSize = Math.min( smallestFontSize, fontSize );
                                }
                            }
                        }
                    }
                    var minimum = parseFloat(MINIMUM_FONT);
                    
                    var count = 0
                    while ((smallestFontSize > minimum) && (offsetHeight > specifiedHeight) && (count < 10))
                    {
                        ++ count;
                        if (oneLine)
                        {
                            var oldWidth = parseInt(oTextBoxOuterDiv.style.width);
                            oTextBoxInnerDiv.style.width =
                                "" + oldWidth * Math.pow(1.05, count) + "px";
                        }
                        else
                        {
                            var scale = Math.max(0.95, minimum / smallestFontSize);
                            
                            for (i = 0; i < aParaChildren.length; i++)
                            {
                                var oParagraphDiv = aParaChildren[i];
                                if (oParagraphDiv.nodeName == "DIV")
                                {
                                    var paraFontSize = elementFontSize(oParagraphDiv) * scale;
                                    var paraLineHeight = elementLineHeight(oParagraphDiv) * scale;
                                    for (j = 0; j < oParagraphDiv.childNodes.length; j++)
                                    {
                                        var oSpan = oParagraphDiv.childNodes[j];
                                        if ((oSpan.nodeName == "SPAN") || (oSpan.nodeName == "A"))
                                        {
                                            var spanFontSize = elementFontSize(oSpan) * scale;
                                            var spanLineHeight = elementLineHeight(oSpan) * scale;
                                            oSpan.style.fontSize = spanFontSize + UNITS;
                                            oSpan.style.lineHeight = spanLineHeight + UNITS;
                                            smallestFontSize = Math.min( smallestFontSize, spanFontSize );
                                        }
                                    }
                                    oParagraphDiv.style.fontSize = paraFontSize + UNITS;
                                    oParagraphDiv.style.lineHeight = paraLineHeight + UNITS;
                                    smallestFontSize = Math.min( smallestFontSize, paraFontSize );
                                }
                            }
                        }
                        
                        offsetHeight = oTextBoxInnerDiv.offsetHeight;
                    }
                }
            }
        }
    }
}


function elementLineHeight(element)
{
    var lineHeight = MINIMUM_FONT; 
    
    if (document.defaultView)
    {
        var computedStyle = document.defaultView.getComputedStyle(element, null);
        if (computedStyle)
        {
            lineHeight = computedStyle.getPropertyValue("line-height");
        }
    }
    else if (element.currentStyle)
    {
        lineHeight = element.currentStyle.lineHeight;
    }
    
    if ((UNITS.length == 0) && (lineHeight != MINIMUM_FONT))
    {
        UNITS = lineHeight.substring(lineHeight.length - 2, lineHeight.length)
    }
    
    return parseFloat(lineHeight);
}

function adjustLineHeightIfTooBig(idOfElement)
{
    var oTextBoxOuterDiv;
    var oTextBoxMiddleDiv;
    var oTextBoxInnerDiv;
    var oTextBoxOuterDiv = document.getElementById(idOfElement);
    
    if (oTextBoxOuterDiv)
    {
        oTextBoxMiddleDiv = getChildOfType(oTextBoxOuterDiv, "DIV", 0);
        if (oTextBoxMiddleDiv)
        {
            oTextBoxInnerDiv = getChildOfType(oTextBoxMiddleDiv, "DIV", 0);
            if (oTextBoxInnerDiv)
            {
                var offsetHeight = oTextBoxInnerDiv.offsetHeight;
                var specifiedHeight = offsetHeight;
                if (oTextBoxMiddleDiv.style.height != "")
                {
                    specifiedHeight = parseFloat(oTextBoxMiddleDiv.style.height);
                }
                else if (oTextBoxOuterDiv.style.height != "")
                {
                    specifiedHeight = parseFloat(oTextBoxOuterDiv.style.height);
                }
                if (offsetHeight > specifiedHeight)
                {
                    var adjusted = true;
                    var count = 0;
                    while ((adjusted) && (offsetHeight > specifiedHeight) && (count < 10))
                    {
                        adjusted = false;
                        ++ count;
                        
                        var aParaChildren = getParaDescendants(oTextBoxInnerDiv);
                        for (i = 0; i < aParaChildren.length; i++)
                        {
                            var oParagraphDiv = aParaChildren[i];
                            if (oParagraphDiv.nodeName == "DIV")
                            {
                                var fontSize = elementFontSize(oParagraphDiv);
                                var lineHeight = elementLineHeight(oParagraphDiv) * 0.95;
                                if (lineHeight >= (fontSize * 1.1))
                                {
                                    oParagraphDiv.style.lineHeight = lineHeight + UNITS;
                                    adjusted = true;
                                }
                                
                                
                                
                                for (j = 0; j < oParagraphDiv.childNodes.length; j++)
                                {
                                    var oSpan = oParagraphDiv.childNodes[j];
                                    if ((oSpan.nodeName == "SPAN") || (oSpan.nodeName == "A"))
                                    {
                                        var fontSize = elementFontSize(oSpan);
                                        var lineHeight = elementLineHeight(oSpan) * 0.95;
                                        if (lineHeight >= (fontSize * 1.1))
                                        {
                                            oSpan.style.lineHeight = lineHeight + UNITS;
                                            var adjusted = true;
                                        }
                                    }
                                }
                            }
                        }
                        
                        offsetHeight = oTextBoxInnerDiv.offsetHeight;
                    }
                }
            }
        }
    }
}

var smallTransparentGif = "";
function fixupIEPNG(strImageID, transparentGif) 
{
    smallTransparentGif = transparentGif;
    if (windowsInternetExplorer && (browserVersion < 7))
    {
        var img = document.getElementById(strImageID);
        if (img)
        {
            var src = img.src;
            img.style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + src + "', sizingMethod='scale')";
            img.src = transparentGif;
            img.attachEvent("onpropertychange", imgPropertyChanged);
        }
    }
}

function fixupIEPNGBG(oBlock) 
{
    if (oBlock)
    {
        var currentBGImage = oBlock.currentStyle.backgroundImage;
        var currentBGRepeat = oBlock.currentStyle.backgroundRepeat;
        var urlStart = currentBGImage.indexOf('url(');
        var urlEnd = currentBGImage.indexOf(')', urlStart);
        var imageURL = currentBGImage.substring(urlStart + 4, urlEnd);

        if (imageURL.charAt(0) == '"')
        {
            imageURL = imageURL.substring(1);
        }
        
        if (imageURL.charAt(imageURL.length - 1) == '"')
        {
            imageURL = imageURL.substring(0, imageURL.length - 1);
        }

        var overrideRepeat = false;

        var filterStyle =
            "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" +
            imageURL +
            "', sizingMethod='crop');";

        if (RegExp("/C[0-9A-F]{8}.png$").exec(imageURL) != null)
        {
            filterStyle =
                "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" +
                imageURL +
                "', sizingMethod='scale');";

            overrideRepeat = true;
        }

        var backgroundImage = new Image();
        backgroundImage.src = imageURL;
        var tileWidth = backgroundImage.width;
        var tileHeight = backgroundImage.height; 
        
        var blockWidth = 0;
        var blockHeight = 0;
        if (oBlock.style.width)
        {
            blockWidth = parseInt(oBlock.style.width);
        }
        else
        {
            blockWidth = oBlock.offsetWidth;
        }
        if (oBlock.style.height)
        {
            blockHeight = parseInt(oBlock.style.height);
        }
        else
        {
            blockHeight = oBlock.offsetHeight;
        }

        if ((blockWidth == 0) || (blockHeight == 0))
        {
            return;
        }
        
        var wholeRows = 1;
        var wholeCols = 1;
        var extraHeight = 0;
        var extraWidth = 0;
        
        if ((currentBGRepeat.indexOf("no-repeat") != -1) ||
              ((tileWidth == 0) && (tileHeight == 0)) ||
              overrideRepeat)
        {
            tileWidth = blockWidth;
            tileHeight = blockHeight;

        }
        else if ((currentBGRepeat.indexOf("repeat-x") != -1) ||
              (tileHeight == 0))
        {
            wholeCols = Math.floor(blockWidth / tileWidth);
            extraWidth = blockWidth - (tileWidth * wholeCols);
            tileHeight = blockHeight;

        }
        else if (currentBGRepeat.indexOf("repeat-y") != -1)
        {
            wholeRows = Math.floor(blockHeight / tileHeight);
            extraHeight = blockHeight - (tileHeight * wholeRows);
            tileWidth = blockWidth;

        }
        else
        {
            wholeCols = Math.floor(blockWidth / tileWidth);
            wholeRows = Math.floor(blockHeight / tileHeight);
            extraWidth = blockWidth - (tileWidth * wholeCols);
            extraHeight = blockHeight - (tileHeight * wholeRows);
        }
        
        var wrappedContent = document.createElement("div");
        wrappedContent.style.position = "relative";
        wrappedContent.style.zIndex = "1";
        wrappedContent.style.left = "0px";
        wrappedContent.style.top = "0px";
        if (!isNaN(parseInt(oBlock.style.width)))
        {
            wrappedContent.style.width = "" + blockWidth + "px";
        }
        if (!isNaN(parseInt(oBlock.style.height)))
        {
            wrappedContent.style.height = "" + blockHeight + "px";
        }
        var pngBGFixIsWrappedContentEmpty = true;
        while (oBlock.hasChildNodes())
        {
            if (oBlock.firstChild.nodeType == 3)
            {
                if (RegExp("^ *$").exec(oBlock.firstChild.data) == null)
                {
                    pngBGFixIsWrappedContentEmpty = false;
                }
            }
            else
            {
                pngBGFixIsWrappedContentEmpty = false;
            }
            wrappedContent.appendChild(oBlock.firstChild);
        }
        if (pngBGFixIsWrappedContentEmpty)
        {
            wrappedContent.style.lineHeight = "0px";
        }
        
        var newMarkup = "";
        for (var currentRow = 0; 
             currentRow < wholeRows; 
             currentRow++)
        {
            for (currentCol = 0; 
                 currentCol < wholeCols; 
                 currentCol++)
            {
                newMarkup += "<div style=" +
                        "\"position: absolute; line-height: 0px; " +
                        "width: " + tileWidth + "px; " +
                        "height: " + tileHeight + "px; " +
                        "left:" + currentCol *  tileWidth + "px; " +
                        "top:" + currentRow *  tileHeight + "px; " +
                        "filter:" + filterStyle + 
                        "\" > </div>";
            }
            
            if (extraWidth != 0)
            {
                newMarkup += "<div style=" +
                        "\"position: absolute; line-height: 0px; " +
                        "width: " + extraWidth + "px; " +
                        "height: " + tileHeight + "px; " +
                        "left:" + currentCol *  tileWidth + "px; " +
                        "top:" + currentRow *  tileHeight + "px; " +
                        "filter:" + filterStyle + 
                        "\" > </div>";
            }
        }
        
        if (extraHeight != 0)
        {
            for (currentCol = 0; 
                 currentCol < wholeCols; 
                 currentCol++)
            {
                newMarkup += "<div style=" +
                        "\"position: absolute; line-height: 0px; " +
                        "width: " + tileWidth + "px; " +
                        "height: " + extraHeight + "px; " +
                        "left:" + currentCol *  tileWidth + "px; " +
                        "top:" + currentRow *  tileHeight + "px; " +
                        "filter:" + filterStyle + 
                        "\" > </div>";
            }
            
            if (extraWidth != 0)
            {
                newMarkup += "<div style=" +
                        "\"position: absolute; line-height: 0px; " +
                        "width: " + extraWidth + "px; " +
                        "height: " + extraHeight + "px; " +
                        "left:" + currentCol *  tileWidth + "px; " +
                        "top:" + currentRow *  tileHeight + "px; " +
                        "filter:" + filterStyle + 
                        "\" > </div>";
            }
        }
        oBlock.innerHTML = newMarkup;

        oBlock.appendChild(wrappedContent);
        oBlock.style.background= "";
    }
}

function fixupAllIEPNGBGs()
{
    if (windowsInternetExplorer && (browserVersion < 7))
    {
        try
        {
            var oDivNodes = document.getElementsByTagName('DIV');
            for (var iIndex=0; iIndex<oDivNodes.length; iIndex++)
            {
                var oNode = oDivNodes.item(iIndex);
                if (oNode.currentStyle &&
                    oNode.currentStyle.backgroundImage &&
                    (oNode.currentStyle.backgroundImage.indexOf('url(') != -1) &&
                    (oNode.currentStyle.backgroundImage.indexOf('.png")') != -1))
                {
                    fixupIEPNGBG(oNode);
                }
            }
        }
        catch (e)
        {
        }
    }
}

function getChildOfType(oParent, sNodeName, requestedIndex)
{
    var childrenOfType = oParent.getElementsByTagName(sNodeName);
    return (requestedIndex < childrenOfType.length) ?
           childrenOfType.item(requestedIndex) : null;
}

function getParaDescendants(oAncestor)
{
    var oParaDescendants = new Array();
    var oPotentialParagraphs = oAncestor.getElementsByTagName('DIV');
    for (var iIndex=0; iIndex<oPotentialParagraphs.length; iIndex++)
    {
        var oNode = oPotentialParagraphs.item(iIndex);
        if (oNode.className.lastIndexOf('paragraph') != -1)
        {
            oParaDescendants.push(oNode);
        }
    }
    return oParaDescendants;
}

function onPageLoad()
{
    detectBrowser();
    adjustLineHeightIfTooBig("id1");
    adjustFontSizeIfTooBig("id1");
    fixupAllIEPNGBGs();
    fixupIEPNG("id2", "Team Archive_files/transparent.gif");
    return true;
}

function NBmouseover(index)
{
    var normal = document.getElementById("navbar_"+index+"_normal");
    var rollover = document.getElementById("navbar_"+index+"_rollover");
    if (normal && rollover)
    {
        normal.style.visibility = "hidden";
        rollover.style.visibility = "visible";
    }
    return true;
}

function NBmouseout(index)
{
    var normal = document.getElementById("navbar_"+index+"_normal");
    var rollover = document.getElementById("navbar_"+index+"_rollover");
    if (normal && rollover)
    {
        normal.style.visibility = "visible";
        rollover.style.visibility = "hidden";
    }
    return true;
}

var windowsInternetExplorer = false;
var browserVersion = 0;
function detectBrowser()
{
    windowsInternetExplorer = false;
    var appVersion = navigator.appVersion;
    if ((appVersion.indexOf("MSIE") != -1) &&
        (appVersion.indexOf("Macintosh") == -1))
    {
        var temp = appVersion.split("MSIE");
        browserVersion = parseFloat(temp[1]);
        windowsInternetExplorer = true;
    }
}

var inImgPropertyChanged = false;
function imgPropertyChanged()
{
    if ((window.event.propertyName == "src") && (! inImgPropertyChanged))
    {
        inImgPropertyChanged = true;
        var el = window.event.srcElement;
        if (el.src != smallTransparentGif)
        {
            el.filters.item(0).src = el.src;
            el.src = smallTransparentGif;
        }
        inImgPropertyChanged = false;
    }
}