var i = 0;
var SlidePlay;
var SlideCount = 0;
var SlideMax = 3;

//slide image
function SwapImage(first,second) {
	try {
		second.fade({duration: 0.5 });	
		first.appear({ duration: 0.5 });
	} catch(e) {
		SlideStop();
		StartSlideShow();
	}
}
//Play and Pause
function StartSlideShow() {
	if($('AnimationBT_Play').src.indexOf('play_off') == -1) {
		if($('fade_image').childElements().length > 1) {
			$('fade_image').show();
			$('product_bild').hide();	
			SlidePlay = setInterval('SlideNowPlay()',SlideWait);
			$('AnimationBT_Pause').src = $('AnimationBT_Pause').src.replace('_off', '_on');
			$('AnimationBT_Play').src = $('AnimationBT_Play').src.replace('_on', '_off');
		}
	}
}
//image load
function SlideNowPlay() {	
	
	var slideImages = $('fade_image').childElements();
	// The number of images in the array.
	var NumOfImages = slideImages.length-1;	
	var imageShow, imageHide;	
	
	if(SlideCount < (SlideMax*(slideImages.length))) {	
		imageShow = slideImages[i+1];
		imageHide = slideImages[i];
		if (i == NumOfImages) {
			SwapImage(slideImages[0],imageHide);
			//Wenn Bild nicht vorhanden -> deswegen try catch
			try {
				if($('product_bild')) $('product_bild').src = slideImages[0].childElements()[0].src;
			} catch(e) {}
			i = 0;
		} else {
			SwapImage(imageShow,imageHide);
			//Wenn Bild nicht vorhanden -> deswegen try catch
			try {
			if($('product_bild')) $('product_bild').src = imageShow.childElements()[0].src;
			} catch(e) {}
			i++;
		}
	} else {
		SlideStop();
		SlideCount = 0;
	}
	SlideCount++;
}
//stop slide
function SlideStop() {
	if($('fade_image')) {
		clearInterval(SlidePlay);
		i=0;
		if($('AnimationBT_Pause')) $('AnimationBT_Pause').src = $('AnimationBT_Pause').src.replace('_on', '_off');
		if($('AnimationBT_Play')) $('AnimationBT_Play').src = $('AnimationBT_Play').src.replace('_off', '_on');
		if($('product_bild')) $('product_bild').show();
		if($('fade_image')) $('fade_image').hide();
	}
}