window.addEvent("load",function(){

	$$(".gk_is_wrapper-template").each(function(el){
		if(!el.hasClass('activated')) {
			el.addClass('activated');

			var elID = el.getProperty("id");

			var wrapper = $(elID);

			var $G = $Gavick[elID];

			var opacity = $G['text_block_opacity'];

			var thumbs_array = wrapper.getElements('div.gk_is_thumb');

			var slides = [];

			var contents = [];

			var links = [];

			var play = false;

			var $blank = false;

			var loadedImages = (wrapper.getElement('.gk_is_preloader')) ? false : true;

			var fxscr = new Fx.Scroll(el.getElement('.gk_is_thumbs'), {duration: 350, transition: Fx.Transitions.Expo.easeOut});
	

			if(!loadedImages){

				var imagesToLoad = [];

				wrapper.getElements('.gk_is_slide').each(function(el,i){

					links.push(el.getFirst().getProperty('href'));

					var newImg = new Element('img',{

						"title":el.getProperty('title'),

						"class":el.getProperty('class'),

						"style":el.getProperty('style')

					});
	

					newImg.setProperty('alt',el.getChildren()[1].getProperty('href'));

					el.getChildren()[1].remove();

					newImg.setProperty("src",el.getChildren()[0].getProperty('href'));

					el.getChildren()[0].remove();

					imagesToLoad.push(newImg);

					newImg.injectAfter(el);

					el.remove();

				});
	

				var time = (function(){

					var process = 0;				

					imagesToLoad.each(function(el,i){ if(el.complete) process++; });
					

					if(process == imagesToLoad.length){

						$clear(time);

						loadedImages = process;

						(function(){new Fx.Style(wrapper.getElement('.gk_is_preloader'), 'opacity').start(1,0);}).delay(400);

					}

				}).periodical(200);

			}
	

			var time_main = (function(){

				if(loadedImages){

					$clear(time_main);
	

					wrapper.getElements(".gk_is_slide").each(function(elmt,i){

						slides[i] = elmt;

						if($G['slide_links']){

							elmt.addEvent("click", function(){window.location = elmt.getProperty('alt');});

							elmt.setStyle("cursor", "pointer");

						}

					});
	

					slides.each(function(el,i){ if(i != 0) el.setOpacity(0); });
	

					if(wrapper.getElement(".gk_is_text")){

						wrapper.getElements(".gk_is_text_item").each(function(elmt,i){ contents[i] = elmt.innerHTML; });

					}
	

					$G['actual_slide'] = 0;
	

					if(wrapper.getElement(".gk_is_text")) wrapper.getElement(".gk_is_text").innerHTML = contents[0];
	

					if($G['autoanim']){

						play = true;

						$G['actual_animation'] = (function(){

							if(play && $blank == false){

								gk_is_style1_anim(wrapper, contents, slides, thumbs_array, $G['actual_slide']+1, $G);

								if(thumbs_array.length) fxscr.toElement(thumbs_array[$G['actual_slide']]);

							}else $blank = false;

						}).periodical($G['anim_interval']+$G['anim_speed']);

					}
	

					thumbs_array.each(function(thumb, i){

						thumb.addEvent("click", function(){

							gk_is_style1_anim(wrapper, contents, slides, thumbs_array, i, $G);

							fxscr.toElement(thumbs_array[$G['actual_slide']]);

							$blank = true;

						});

					});
	

					if(thumbs_array[0]){

						$pos = 0;

						$slide = 0;	

						$slider = wrapper.getElement('.gk_is_thumbs_slider1');

						$scroller = new Fx.Scroll($slider,{wait:true,duration:300});

						$total = $slider.getSize().size.y;

						$h = ($total+$G['thumbs_space']) / $G['thumbs_amount'];								
	

						wrapper.getElement('.gk_is_btn_up').addEvent("click", function(){

							if($slide > 0){

								$pos -= $h;

								$slide--;

								$scroller.scrollTo(0, $pos);

							}

						});
	

						wrapper.getElement('.gk_is_btn_down').addEvent("click", function(){

							if($slide < thumbs_array.length - $G['thumbs_amount']){

								$pos += $h;

								$slide++;

								$scroller.scrollTo(0, $pos);

							}	

						});

					}

				}

			}).periodical(1000);
		}

	});

});


function gk_is_style1_text_anim(wrapper, contents, which, $G){

	var txt = wrapper.getElement(".gk_is_text");

	new Fx.Style(txt,'opacity',{duration: $G['anim_speed']/2}).start(1,0);

	(function(){

		new Fx.Style(txt,'opacity',{duration: $G['anim_speed']/2}).start(0,1);

		txt.innerHTML = contents[which];

	}).delay($G['anim_speed']);

}


function gk_is_style1_anim(wrapper, contents, slides, thumbs_array, which, $G){

	if(which != $G['actual_slide']){

		var max = slides.length-1;

		if(which > max) which = 0;

		if(which < 0) which = max;

		var actual = $G['actual_slide'];


		$G['actual_slide'] = which;

		slides[$G['actual_slide']].setStyle("z-index",max+1);

		new Fx.Style(slides[actual],'opacity',{duration: $G['anim_speed']}).start(1,0);

		new Fx.Style(slides[which],'opacity',{duration: $G['anim_speed']}).start(0,1);

		if(wrapper.getElement(".gk_is_text")) gk_is_style1_text_anim(wrapper, contents, which, $G);	


		switch($G['anim_type']){

			case 'opacity': break;

			case 'top': new Fx.Style(slides[which],'margin-top',{duration: $G['anim_speed']}).start((-1)*slides[which].getSize().size.y,0);break;

			case 'left': new Fx.Style(slides[which],'margin-left',{duration: $G['anim_speed']}).start((-1)*slides[which].getSize().size.x,0);break;

			case 'bottom': new Fx.Style(slides[which],'margin-top',{duration: $G['anim_speed']}).start(slides[which].getSize().size.y,0);break;

			case 'right': new Fx.Style(slides[which],'margin-left',{duration: $G['anim_speed']}).start(slides[which].getSize().size.x,0);break;

		}


		if(thumbs_array.length){

			thumbs_array[actual].setProperty('class','gk_is_thumb');	

			thumbs_array[which].setProperty('class','gk_is_thumb active');

		}

		(function(){slides[$G['actual_slide']].setStyle("z-index",$G['actual_slide']);}).delay($G['anim_speed']);

	}

}