function ReadCookie (name){
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++)
	{
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return "";
}

function WriteCookie (name,value,date) { document.cookie = name+"="+value+"; expires="+date+"; path=/"; }

function UpdateArtistDetails(jsonIndex, total)
{
    var  artDetails = jsonArray.ArtDetails[jsonIndex];
        
    $('#gallery-item-desc').css('display','block');
    
    if (artDetails.ArtistThumb == '')
    {
        $('#ArtistImage').css('display','none');
    }
    else
    {
        $('#ArtistImage').attr('src', artDetails.ArtistThumb);
        $('#ArtistImage').attr('alt', artDetails.ArtistName);
        $('#ArtistImage').css('display','block');
    }
    
    $('#ArtistTitle').html(artDetails.ArtistName + ', ' + artDetails.ArtTitle);
    $('#ArtistSubTitle').html(artDetails.ArtSubtitle);
    $('#ArtistText').html(artDetails.ArtText);
    
    $('#MainImage').attr('src', artDetails.ArtImageSrc);
    $('#MainImage').attr('alt', artDetails.ArtImageAlt);
    $('#art-project-toggle-box').removeClass('open');
    $('#art-project-toggle-box').css('margin-top', '0px');
    
    currentIndex = jsonIndex;
    //CheckArtistList("previous","next", total);      
}

function IncrementArtist(total)
{

    var index = currentIndex;
    
    if(currentIndex == total - 1)
    {
        index = 0;
    }   
    else
    {
        index = index + 1;
    }
    
    UpdateArtistDetails(index, total);     
}

function DecrementArtist(total)
{
    var index = currentIndex;
    
    if(currentIndex == 0)
    {
        index = total - 1;
    }   
    else
    {
        index = index - 1;
    }
    
    UpdateArtistDetails(index, total);     
}

function SetRegionCookie(region)
{
    var date = new Date();
    date.setTime(date.getTime()+(21*24*60*60*1000));
    document.cookie = 'region=' + region + '; expires=' + date.toGMTString() +'; path=/';
}



/*function CheckArtistList(previousId, nextId, total)
{       
    var previous = $('#'+previousId);
    var next = $('#'+nextId);
    
    if(currentIndex == 0)
    { 
        previous.css('display','none');  
        next.css('display','block'); 
    }
    else if (currentIndex == total -1)
    {
        previous.css('display','block');  
        next.css('display','none'); 
    }
    else
    {
        previous.css('display','block');  
        next.css('display','block'); 
    }
}*/