/************************************************************************************************************

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 = 1000;	// Amount of time between each image(1000 = 1 second)

var slideshow2_fadingSpeed = 5;	// 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 image shown

var slideshow2_imageDivs = 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 Opera = navigator.userAgent.indexOf('Opera')>=0?true:false;

function createParentDivs(imageIndex,divId)

{

	if(imageIndex==slideshow2_imagesInGallery[divId]){	

		showGallery(divId);

	}else{

		var imgObj = document.getElementById(divId + '_' + imageIndex);	

		if(Opera)imgObj.style.position = 'static';

		if(!slideshow2_imageDivs[divId])slideshow2_imageDivs[divId] = new Array();

		slideshow2_imageDivs[divId][slideshow2_imageDivs[divId].length] =  imgObj;



		imgObj.style.visibility = 'hidden';	

		imageIndex++;

		createParentDivs(imageIndex,divId);	

	}		

}



function showGallery(divId)

{

	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';

	if(Opera)slideshow2_imageDivs[divId][slideshow2_slideIndex[divId]].style.display = 'inline';

	if(navigator.userAgent.indexOf('Opera')<0){

		slideshow2_imageDivs[divId][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)';

	}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;

	}		

	



	setTimeout('revealImage("' + divId + '")',slideshow2_timeBetweenSlides);		

}



function revealImage(divId)

{



	if(slideshow2_noFading){

		slideshow2_imageDivs[divId][slideshow2_slideIndex[divId]].style.visibility = 'hidden';

		if(Opera)slideshow2_imageDivs[divId][slideshow2_slideIndex[divId]].style.display = 'none';

		showGallery(divId);

		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])+')';

	}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)));

	}

	if(slideshow2_currentOpacity[divId]>0){

		setTimeout('revealImage("' + divId + '")',slideshow2_fadingSpeed);

	}else{

		slideshow2_imageDivs[divId][slideshow2_slideIndex[divId]].style.visibility = 'hidden';	

		if(Opera)slideshow2_imageDivs[divId][slideshow2_slideIndex[divId]].style.display = 'none';		

		showGallery(divId);

	}

}



function initImageGallery(divId)

{

	var slideshow2_galleryContainer = document.getElementById(divId);

	

	

	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;

	}

	

	slideshow2_imagesInGallery[divId] = galleryImgArray.length;

	createParentDivs(0,divId);		

	

}