var slide_array = ['/binary/gb_group/carosello/carosello_01.jpg','/binary/gb_group/carosello/carosello_02.jpg','/binary/gb_group/carosello/carosello_03.jpg'];

var global_interval;
var global_bool_OD;

function slide_show() {
	var slideshow = false;
	try {
		if ( slide_array.length > 1 ) {
			slideshow = true;
		}
	}
	catch(e) {
		slideshow = false;
	}
	if ( slideshow ) {
		tempo_crossfade_slideshow = 1000; // ### PARAMETRO DI TEMPORIZZAZIONE CROSSFADE (PERSONALIZZABILE)
		tempo_permanenza_slideshow = 4000; // ### PARAMETRO DI TEMPORIZZAZIONE PERMANENZA (PERSONALIZZABILE)

		OD_start_slide(0);
	}
}

function OD_start_slide(from) {
	if (slide_array.length > 1) {
		slide_index = from;
		if (global_interval != null ) clearInterval(global_interval);
		if ( !global_bool_OD ) {
		//	----- re-start immagine chiamata -----
		/*	var shown = jQuery('#img_slide');
		//	stop animazione in corso
			shown.attr('src', slide_array[slide_index]);
	
			var next = slide_index + 1;
			if (next >= slide_array.length) {
				next = 0;
			}
			jQuery('#slide_next').css('backgroundImage', 'url('+slide_array[next]+')');*/
		//	--------------------------------------
			global_interval = setInterval(function(){
				var shown = jQuery('#img_slide');
	
				slide_index++;
				if (slide_index == slide_array.length) {
					slide_index = 0;
				}
                shown.fadeOut(tempo_crossfade_slideshow, function(){
                    shown.attr('src', slide_array[slide_index]);
                    shown.show();
    
                    var next = slide_index + 1;
                    if (next == slide_array.length) {
                        next = 0;
                    }
                    jQuery('#slide_next').css('backgroundImage', 'url('+slide_array[next]+')');
                //alert(slide_index+" | "+next)
                });
			}, tempo_permanenza_slideshow);
		} else {
			global_bool_OD = false;
			var shown = jQuery('#img_slide');
			shown.attr('src', slide_array[slide_index]);

			var next = slide_index + 1;
			if (next >= slide_array.length) {
				next = 0;
			}
			jQuery('#slide_next').css('backgroundImage', 'url('+slide_array[next]+')');
		}
	}
}