/************************************************************************************************************
Ajax dynamic content
Copyright (C) November, 2005  DTHMLGoodies.com, Alf Magne Kalleland

This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.

This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA

Dhtmlgoodies.com., hereby disclaims all copyright interest in this script
written by Alf Magne Kalleland.

Alf Magne Kalleland, 2006
Owner of DHTMLgoodies.com

************************************************************************************************************/	

var slideshow2_noFading = false;
var slideshow2_timeBetweenSlides = 13000;	// Amount of time between each image(1000 = 1 second)
var slideshow2_fadingSpeed = 10;	// Speed of fading	(Lower value = faster)

var slideshow2_stats = new Array();

var slideshow2_slideIndex = new Array();	// Index of current image shown
var slideshow2_slideIndexNext = new Array();	// Index of next  shown

var slideshow2_imageDivs = new Array();	// Array of image divs(Created dynamically)
var slideshow2_nieuwsDivs = new Array();	// Array of image divs(Created dynamically)

var slideshow2_currentOpacity = new Array();	// Initial opacity

var slideshow2_imagesInGallery = new Array();	// Number of images in gallery
var slideshow2_nieuwsInGallery = new Array();

var Opera = navigator.userAgent.indexOf('Opera')>=0?true:false;

function createParentDivs(imageIndex,divId,divNieuwsId)
{   if(imageIndex==slideshow2_imagesInGallery[divId])
    {   showGallery(divId, divNieuwsId);
	} else
	{	var imgObj = document.getElementById(divId + '_' + imageIndex);	
	    var nieuwsObj = document.getElementById(divNieuwsId + '_' + imageIndex);
	    
		if(Opera)imgObj.style.position = 'static';
		if(Opera)nieuwsObj.style.position = 'static';
		
		if(!slideshow2_imageDivs[divId])slideshow2_imageDivs[divId] = new Array();
		if(!slideshow2_nieuwsDivs[divNieuwsId])slideshow2_nieuwsDivs[divNieuwsId] = new Array();
		
		slideshow2_imageDivs[divId][slideshow2_imageDivs[divId].length] =  imgObj;
		slideshow2_nieuwsDivs[divNieuwsId][slideshow2_nieuwsDivs[divNieuwsId].length] =  nieuwsObj;
        
		imgObj.style.visibility = 'hidden';	
		nieuwsObj.style.visibility = 'hidden';
		
		imgObj.style.zIndex = 0;	
		nieuwsObj.style.zIndex = 0;
				
		imageIndex++;
		createParentDivs(imageIndex,divId, divNieuwsId);	
	}		
}

function showGallery(divId,divNieuwsId)
{   if(slideshow2_slideIndex[divId]==-1)slideshow2_slideIndex[divId]=0; else slideshow2_slideIndex[divId]++;	// Index of next image to show
	if(slideshow2_slideIndex[divId]==slideshow2_imageDivs[divId].length)slideshow2_slideIndex[divId]=0;
	slideshow2_slideIndexNext[divId] = slideshow2_slideIndex[divId]+1;	// Index of the next next image
	if(slideshow2_slideIndexNext[divId]==slideshow2_imageDivs[divId].length)slideshow2_slideIndexNext[divId] = 0;

	slideshow2_currentOpacity[divId]=100;	// Reset current opacity
    
	// Displaying image divs
	slideshow2_imageDivs[divId][slideshow2_slideIndex[divId]].style.visibility = 'visible';
	slideshow2_nieuwsDivs[divNieuwsId][slideshow2_slideIndex[divId]].style.visibility = 'visible';
	
	slideshow2_imageDivs[divId][slideshow2_slideIndex[divId]].style.zIndex = 1;
	slideshow2_nieuwsDivs[divNieuwsId][slideshow2_slideIndex[divId]].style.zIndex = 1;
	slideshow2_imageDivs[divId][slideshow2_slideIndexNext[divId]].style.zIndex = 0;
	slideshow2_nieuwsDivs[divNieuwsId][slideshow2_slideIndexNext[divId]].style.zIndex = 0;
	
	if(Opera)slideshow2_imageDivs[divId][slideshow2_slideIndex[divId]].style.display = 'inline';
	if(Opera)slideshow2_nieuwsDivs[divNieuwsId][slideshow2_slideIndex[divId]].style.display = 'inline';
		
	if(navigator.userAgent.indexOf('Opera')<0){
		slideshow2_imageDivs[divId][slideshow2_slideIndexNext[divId]].style.visibility = 'visible';
		slideshow2_nieuwsDivs[divNieuwsId][slideshow2_slideIndexNext[divId]].style.visibility = 'visible';		
	}
	
	if(document.all){	// IE rules
		slideshow2_imageDivs[divId][slideshow2_slideIndex[divId]].style.filter = 'alpha(opacity=100)';
		slideshow2_imageDivs[divId][slideshow2_slideIndexNext[divId]].style.filter = 'alpha(opacity=1)';
		slideshow2_nieuwsDivs[divNieuwsId][slideshow2_slideIndexNext[divId]].style.filter = 'alpha(opacity=100)';
		slideshow2_nieuwsDivs[divNieuwsId][slideshow2_slideIndexNext[divId]].style.filter = 'alpha(opacity=1)';
	}else{
		slideshow2_imageDivs[divId][slideshow2_slideIndex[divId]].style.opacity = 0.99;	// Can't use 1 and 0 because of screen flickering in FF
		slideshow2_imageDivs[divId][slideshow2_slideIndexNext[divId]].style.opacity = 0.01;
		slideshow2_nieuwsDivs[divNieuwsId][slideshow2_slideIndexNext[divId]].style.opacity = 0.99;	// Can't use 1 and 0 because of screen flickering in FF 
		slideshow2_nieuwsDivs[divNieuwsId][slideshow2_slideIndexNext[divId]].style.opacity = 0.01;		
	}		
	
	setTimeout('revealImage("' + divId + '", "' + divNieuwsId + '")',slideshow2_timeBetweenSlides);		
}

function revealImage(divId, divNieuwsId)
{   if(slideshow2_noFading)
    {	slideshow2_imageDivs[divId][slideshow2_slideIndex[divId]].style.visibility = 'hidden';
        slideshow2_nieuwsDivs[divNieuwsId][slideshow2_slideIndex[divId]].style.visibility = 'hidden'; 

		if(Opera)slideshow2_imageDivs[divId][slideshow2_slideIndex[divId]].style.display = 'none';
		if(Opera)slideshow2_nieuwsDivs[divNieuwsId][slideshow2_slideIndex[divId]].style.display = 'none';
		showGallery(divId,divNieuwsId);
		return;
	}    
        
	slideshow2_currentOpacity[divId]--;
	if(document.all)
	{   slideshow2_imageDivs[divId][slideshow2_slideIndex[divId]].style.filter = 'alpha(opacity='+slideshow2_currentOpacity[divId]+')';
		slideshow2_imageDivs[divId][slideshow2_slideIndexNext[divId]].style.filter = 'alpha(opacity='+(100-slideshow2_currentOpacity[divId])+')';
		slideshow2_nieuwsDivs[divNieuwsId][slideshow2_slideIndex[divId]].style.filter = 'alpha(opacity='+slideshow2_currentOpacity[divId]+')'; 
		slideshow2_nieuwsDivs[divNieuwsId][slideshow2_slideIndexNext[divId]].style.filter = 'alpha(opacity='+(100-slideshow2_currentOpacity[divId])+')'; 
		
	} else
	{	slideshow2_imageDivs[divId][slideshow2_slideIndex[divId]].style.opacity = Math.max(0.01,slideshow2_currentOpacity[divId]/100);	// Can't use 1 and 0 because of screen flickering in FF
		slideshow2_imageDivs[divId][slideshow2_slideIndexNext[divId]].style.opacity = Math.min(0.99,(1 - (slideshow2_currentOpacity[divId]/100)));
		slideshow2_nieuwsDivs[divNieuwsId][slideshow2_slideIndex[divId]].style.opacity = Math.max(0.01,slideshow2_currentOpacity[divId]/100);	// Can't use 1 and 0 because of screen flickering in FF
		slideshow2_nieuwsDivs[divNieuwsId][slideshow2_slideIndexNext[divId]].style.opacity = Math.min(0.99,(1 - (slideshow2_currentOpacity[divId]/100)));		
	}
	
	if(slideshow2_currentOpacity[divId]>0)
	{   setTimeout('revealImage("' + divId + '", "' + divNieuwsId + '")',slideshow2_fadingSpeed);
	} else
	{	slideshow2_imageDivs[divId][slideshow2_slideIndex[divId]].style.visibility = 'hidden';
	    slideshow2_nieuwsDivs[divNieuwsId][slideshow2_slideIndex[divId]].style.visibility = 'hidden';
	    
	    slideshow2_imageDivs[divId][slideshow2_slideIndex[divId]].style.zIndex = 0;
	    slideshow2_nieuwsDivs[divNieuwsId][slideshow2_slideIndex[divId]].style.zIndex = 0;
	    slideshow2_imageDivs[divId][slideshow2_slideIndexNext[divId]].style.zIndex = 1;
	    slideshow2_nieuwsDivs[divNieuwsId][slideshow2_slideIndexNext[divId]].style.zIndex = 1;
	        
		if(Opera)slideshow2_imageDivs[divId][slideshow2_slideIndexNext[divId]].style.display = 'none';
		if(Opera)slideshow2_nieuwsDivs[divNieuwsId][slideshow2_slideIndexNext[divId]].style.display = 'none'; 
		showGallery(divId, divNieuwsId);
	}
}

function initImageGallery(divId, divNieuwsId)
{   var slideshow2_galleryContainer = document.getElementById(divId);
    var slideshow2_nieuwsContainer = document.getElementById(divNieuwsId);
	
	slideshow2_slideIndex[divId] = -1;
	slideshow2_slideIndexNext[divId] = false;
		
	var galleryImgArray = slideshow2_galleryContainer.getElementsByTagName('IMG');
	for(var no=0;no<galleryImgArray.length;no++)
	{   galleryImgArray[no].id = divId + '_' + no;
	}
	
	var nieuwsArray = slideshow2_nieuwsContainer.getElementsByTagName('DIV');
	for(var no=0;no<nieuwsArray.length;no++)
	{   nieuwsArray[no].id = divNieuwsId + '_' + no;
	}	
	
	slideshow2_imagesInGallery[divId] = galleryImgArray.length;
	slideshow2_nieuwsInGallery[divId] = nieuwsArray.length;
	createParentDivs(0,divId, divNieuwsId);		
}
