function removeIndex(aArray)
{
    var tempArray = new Array();
    for(var i = 0; i < aArray.length; i++)
    {
        var item = aArray[i].toLowerCase();
        if((item.indexOf('index') == -1) && (item.indexOf('featured') == -1) && (item.indexOf('related') == -1))
        {
            tempArray.push(aArray[i]);
        }
    } 
    return tempArray;
}

var getThumbs = function()
{
    if(!document.forms[0].Attachments || document.forms[0].Attachments.value.length == 0) return null;
    var allThumbs = removeIndex((unescape(document.forms[0].Attachments.value)).split('; '));
    
    var gifThumbs = new Array();
    for(var i = 0; i < allThumbs.length; i++)
    {
        if(allThumbs[i].toLowerCase().indexOf('.gif') != -1)gifThumbs.push(allThumbs[i]);
    }
    if(!allThumbs.haveNumIndexes())return gifThumbs.sort();
    gifThumbs.sortNumberedThumbs(); 
    //alert(gifThumbs);  
    return gifThumbs
    
};

Array.prototype.haveNumIndexes = function()
{
    for(var i = 0; i < this.length; i++)
    {
        var reExp = /[\d]+/gi;
        var matches = this[i].match(reExp);
        if(!(matches instanceof Array))//if the files are indexed with numbers
        {
           // alert('does not use numbers in index');
            return false;
        }
    }
    return true;
};
/*
Array.prototype.sortNumberedThumbs = function()
{  
    var tempArray = new Array();     
    for(var i = 0; i < this.length; i++)
    {
        var reExp = /[\d]+/gi;
        var matches = this[i].match(reExp);
        if(matches instanceof Array)//if the files are indexed with numbers
        {
            tempArray[parseInt(matches[0])] = new String(this[i]);
        } else {                    
                    return null;//if numbers are not used don't do anything
               }
    }
    if(this.length == tempArray.length)//check if arrays start at the zero index in order to loop correctly
    {
        var start = 0;
        var end = this.length;
    } else {
                var start = 1;
                var end = tempArray.length;
           }
    var sortedArray = new Array();
    for(var i = start;i < end; i++)//loop tempArray in the indexed order and attach them to original array
    {
        sortedArray.push(tempArray[i]);
    }
    return sortedArray;
};
*/

Array.prototype.sortNumberedThumbs = function()
{  
    var tempArray = new Array(); 
    var num = getPicNum(this[0]);
    if(!num) return null;
    tempArray.push(this[0]);
    for(var i = 0; i < (this.length - 1); i++)
    {
        for(var x = i + 1; x < this.length; x++)
        {
            var newNum = getPicNum(this[x]);
            var curNum = getPicNum(this[i]);
            if(!num)return null;
            if(newNum < curNum)
            {
                var temp = this[i];
                this[i] = this[x];
                this[x] = temp;
            }
        }   
    }   
};

function getPicNum(pic)
{
    var reExp = /[\d]+/gi;
    var matches = pic.match(reExp);
    if(matches instanceof Array)//if the files are indexed with numbers
    {
        return parseInt(matches[0]);
    } else {
                return null;
           }
}

function getURLParam(param)
{
    var winLoc = window.location.toString().toLowerCase();
    if(winLoc.indexOf(param) == -1)return null;
    
    var divider = '?';
    if(winLoc.indexOf('&') != -1)
    {
        divider = '&';
    }
    
    var arWinLoc = winLoc.split(divider);
    for(var i = 0; i < arWinLoc.length; i ++)
    {
        if(arWinLoc[i].indexOf(param.toLowerCase()) != -1)
        {
            return (arWinLoc[i].split('=')[1].toLowerCase());
        }
    }   
    return null; 
}

function getCaption(imagesLength,docID,imgNum)
{
    var article = new Article(docID); 
    var str = article.loadAjax();
    if(str.indexOf('articleResult') != -1)
    {
        eval(str);
        var summaries = unescape(articleResult.Summary);
        if(summaries && summaries.length > 0)
        {
            var aSummaries = summaries.split(';');
            //alert(aSummaries.length + '   ' + imagesLength);
            if(aSummaries.length == imagesLength && typeof aSummaries[imgNum] != 'undefined')
            {
                return aSummaries[imgNum];
            }
        }
    } 
    return "";       
}

function popUp(oEvent)
{
    var target = stopEvent(oEvent);
    //window.location = target.parentNode.getAttribute('href');
   
    if(screen.height < 850)
    {
       window.open(target.parentNode.getAttribute('href'),"WheelsGallery", "fullscreen=0,height=640,width=876,resizable=0,status=0,scrollbars=1");
    } else {
       window.open(target.parentNode.getAttribute('href'),"WheelsGallery", "fullscreen=0,height=643,width=856,resizable=0,status=0,scrollbars=0");
    }
  
}

function getNav(start,count,itemsNum)
{
    var pages = Math.ceil(parseFloat(itemsNum) / parseFloat(count));
     
}

/*
function attachClassToEdDeskTag()
{
   document.getElementById('edDeskBody').className = 'galleryBody';
}

addLoadEvent(attachClassToEdDeskTag);
*/
if (document.forms[0].PageType.value == "article" && currentSection == "Galleries" && currentSubsection == "Galleries") 
{    
    var thumbs = getThumbs();
    //alert(unescape(document.forms[0].Attachments.value) + '\n\n' + thumbs);
    var galleryStart = parseInt(getURLParam('start'));
    if(!galleryStart)galleryStart = 0;
    var end = galleryStart + 12;
    
    if(thumbs instanceof Array)
    {
        document.write('<div class="galleryThumbs">');
        //if(end > thumbs.length)end = thumbs.length;
        //alert(thumbs.length - 12);
        if((thumbs.length - galleryStart)< 12)end = thumbs.length;
        for(var i = galleryStart; i < end; i++)
        {
            
            var galleryLink = '/wheels/site/articleIDs/' + document.forms[0].DocID.value + '?open&template=domGallery&image=' + i;
            var imgSrc = '/wheels/site/articleIDs/' + document.forms[0].DocID.value + '/$file/' + thumbs[i];
            var imgTitle = unescape(document.forms[0].Title.value) + ' - image ' + (i + 1);
            document.write('<a href="',galleryLink,'" onclick="popUp(event)" title="',imgTitle,'"><img src="',imgSrc,'" alt="',getCaption(thumbs.length,document.forms[0].DocID.value,i),'" /></a>');
            
        }
        
        var totalPages = Math.ceil(thumbs.length / 12);        
        var currentPage = 1;
        for(var i = 0; i < thumbs.length; i= i + 12)
        {
            if(galleryStart >= i && galleryStart <= (i + 11))
            {
                break;
            }
             currentPage++;
        }
        //document.write('</div>'); 
        if(thumbs.length > 12)
        {
        
            document.write('<div class="navigation">');
                
                
                if(currentPage != totalPages)
                {
                    var start = galleryStart + 12;
                    var linkHref = '/wheels/site/articleIDs/' + document.forms[0].DocID.value + '?open&template=domWheels&count=12&start=' + start;
                    document.write('<a class="next" href="',linkHref,'">next</a>');
                } else {
                            document.write('<span class="next">next</span>');
                       }     
               
                document.write('<span class="navPages">page ',currentPage,' of ',totalPages,'</span>'); 
                
                if(currentPage != 1)
                {
                    var start = galleryStart - 12;
                    //if(start == 0) start = 1;
                    var linkHref = '/wheels/site/articleIDs/' + document.forms[0].DocID.value + '?open&template=domWheels&count=12&start=' + start;
                    document.write('<a class="previous" href="',linkHref,'">previous</a>');
                } else {
                            document.write('<span class="previous">previous</span>');
                       }
                   
            document.write('</div>');         
        }     
        document.write('</div>');
       
    }
}