// -----------------------------------------------------------------------------------
// -----------------------------------------------------------------------------------

//
//	Configuration
//


var fileLoadingImage = "gs_JSGaleria/images/loading.gif";		
var animate = true;	// toggles resizing animations
var resizeSpeed = 7;	// controls the speed of the image resizing animations (1=slowest and 10=fastest)
var borderSize = 10;	//if you adjust the padding in the CSS, you will need to update this variable

// -----------------------------------------------------------------------------------

//
//	Global Variables
//
var imageArray = new Array;
var activeImage;

var vEmExecucao = false;
var vCredito_Imagem = '';

if(animate == true){
	overlayDuration = 0.2;	// shadow fade in/out duration
	if(resizeSpeed > 10){ resizeSpeed = 10;}
	if(resizeSpeed < 1){ resizeSpeed = 1;}
	resizeDuration = (11 - resizeSpeed) * 0.15;
} else { 
	overlayDuration = 0;
	resizeDuration = 0;
}

// Chamada do CSS da Galeria
  var objHeadCss = document.getElementsByTagName("head").item(0);
  var objLinkCSS = document.createElement('link');
  objLinkCSS.setAttribute('href','gs_JSGaleria/css/lightbox.css');
  objLinkCSS.setAttribute('rel','stylesheet');
  objLinkCSS.setAttribute('type','text/css');
	objHeadCss.appendChild(objLinkCSS);
	
// -----------------------------------------------------------------------------------

//
//	Additional methods for Element added by SU, Couloir
//	- further additions by Lokesh Dhakar (huddletogether.com)
//
Object.extend(Element, {
	getWidth: function(element) {
	   	element = $(element);
	   	return element.offsetWidth; 
	},
	setWidth: function(element,w) {
	   	element = $(element);
    	element.style.width = w +"px";
	},
	setHeight: function(element,h) {
   		element = $(element);
    	element.style.height = h +"px";
	},
	setTop: function(element,t) {
	   	element = $(element);
    	element.style.top = t +"px";
	},
	setSrc: function(element,src) {
    	element = $(element);
    	element.src = src; 
	},
	setHref: function(element,href) {
    	element = $(element);
    	element.href = href; 
	},
	setInnerHTML: function(element,content) {
		element = $(element);
		element.innerHTML = content;
	}
});

// -----------------------------------------------------------------------------------

//
//	Extending built-in Array object
//	- array.removeDuplicates()
//	- array.empty()
//
Array.prototype.removeDuplicates = function () {
    for(i = 0; i < this.length; i++){
        for(j = this.length-1; j>i; j--){        
            if(this[i][0] == this[j][0]){
                this.splice(j,1);
            }
        }
    }
}

// -----------------------------------------------------------------------------------

Array.prototype.empty = function () {
	for(i = 0; i <= this.length; i++){
		this.shift();
	}
}

// -----------------------------------------------------------------------------------


var Lightbox = Class.create();

Lightbox.prototype = {
	
	// initialize()
	// Constructor runs on completion of the DOM loading. Loops through anchor tags looking for 
	// 'lightbox' references and applies onclick events to appropriate links. The 2nd section of
	// the function inserts html at the bottom of the page which is used to display the shadow 
	// overlay and the image container.
	//
	
	
	initialize: function() {	
		if (!document.getElementsByTagName){ return; }
		var anchors = document.getElementsByTagName('a');
		var areas = document.getElementsByTagName('area');


		// loop through all anchor tags
		for (var i=0; i<anchors.length; i++){
			var anchor = anchors[i];
			
			var relAttribute = String(anchor.getAttribute('rel'));
			
			// use the string.match() method to catch 'lightbox' references in the rel attribute
			if (anchor.getAttribute('href') && (relAttribute.toLowerCase().match('lightbox'))){
				anchor.onclick = function () {myLightbox.start(this); return false;}
			}
		}

		// loop through all area tags
		// todo: combine anchor & area tag loops
		for (var i=0; i< areas.length; i++){
			var area = areas[i];
			
			var relAttribute = String(area.getAttribute('rel'));
			
			// use the string.match() method to catch 'lightbox' references in the rel attribute
			if (area.getAttribute('href') && (relAttribute.toLowerCase().match('lightbox'))){
				area.onclick = function () {myLightbox.start(this); return false;}
			}
		}

		// The rest of this code inserts html at the bottom of the page that looks similar to this:
		//
		//	<div id="overlay"></div>
		//	<div id="lightbox">
		//		<div id="outerImageContainer">
		//			<div id="imageContainer">
		//				<img id="lightboxImage">
		//				<div style="" id="hoverNav">
		//					<a href="#" id="prevLink"></a>
		//					<a href="#" id="nextLink"></a>
		//				</div>
		//				<div id="loading">
		//					<a href="#" id="loadingLink">
		//						<img src="js/images/loading.gif">
		//					</a>
		//				</div>
		//			</div>
		//		</div>
		//		<div id="imageDataContainer">
		//			<div id="imageData">
		//				<div id="imageDetails">
		//					<span id="caption"></span>
		//					<span id="numberDisplay"></span>
		//				</div>
		//				<div id="bottomNav">
		//					<a href="#" id="bottomNavClose">
		//						<img src="js/images/close.gif">
		//					</a>
		//				</div>
		//			</div>
		//		</div>
		//	</div>


		var objBody = document.getElementsByTagName("body").item(0);
		
		//-- Novos campos Hiddem para Evento SlideShow --|
		var objInputHidden_IMG_Atual = document.createElement('input');
		objInputHidden_IMG_Atual.setAttribute('id','img_atual');
		objInputHidden_IMG_Atual.setAttribute('name','img_atual');
		objInputHidden_IMG_Atual.setAttribute('value','');
		objInputHidden_IMG_Atual.setAttribute('type','hidden');
		var objInputHidden_IMG_Total = document.createElement('input');
		objInputHidden_IMG_Total.setAttribute('id','img_total');
		objInputHidden_IMG_Total.setAttribute('name','img_total');
		objInputHidden_IMG_Total.setAttribute('value','');
		objInputHidden_IMG_Total.setAttribute('type','hidden');
		var objInputHidden_Active_SlideShow = document.createElement('input');
		objInputHidden_Active_SlideShow.setAttribute('id','active_slideshow');
		objInputHidden_Active_SlideShow.setAttribute('name','active_slideshow');
		objInputHidden_Active_SlideShow.setAttribute('value','0');
		objInputHidden_Active_SlideShow.setAttribute('type','hidden');
		
		objBody.appendChild(objInputHidden_IMG_Atual);
		objBody.appendChild(objInputHidden_IMG_Total);
		objBody.appendChild(objInputHidden_Active_SlideShow);
		//-----------------------------------------------|
	
		
		
		
		
		
		var objOverlay = document.createElement("div");
		objOverlay.setAttribute('id','overlay');
		objOverlay.style.display = 'none';
		objOverlay.onclick = function() { myLightbox.end(); }
		objBody.appendChild(objOverlay);
		
		var objLightbox = document.createElement("div");
		objLightbox.setAttribute('id','lightbox');
		objLightbox.style.display = 'none';
		objLightbox.onclick = function(e) {	// close Lightbox is user clicks shadow overlay
			if (!e) var e = window.event;
			var clickObj = Event.element(e).id;
			if ( clickObj == 'lightbox') {
				myLightbox.end();
			}
		};
		objBody.appendChild(objLightbox);
			
	
	
		// -- NOVO ELEMENTO: FECHAR SUPERIOR BOX -- \\
		
		var objClose_TopBox = document.createElement('div');
		objClose_TopBox.setAttribute('id','Close_TopBox');
		objClose_TopBox.setAttribute('class','Close_TopBox');
		objClose_TopBox.style.visibility = 'hidden';
		objLightbox.appendChild(objClose_TopBox);	
		
		
		//-
    var objBottomNavCloseLink_Top = document.createElement('a');
		objBottomNavCloseLink_Top.setAttribute('id','bottomNavClose');	
		objBottomNavCloseLink_Top.style.styleFloat = 'right';
		objBottomNavCloseLink_Top.style.marginRight = '8px';
		objBottomNavCloseLink_Top.style.marginTop = '7px';
		objBottomNavCloseLink_Top.setAttribute('style','float:right; margin-right:-3px; margin-top:5px');
		objBottomNavCloseLink_Top.setAttribute('href','#');
		objBottomNavCloseLink_Top.setAttribute('title','fechar');
		objBottomNavCloseLink_Top.onclick = function() { myLightbox.end(); return false; }
		objClose_TopBox.appendChild(objBottomNavCloseLink_Top);
		Element.setInnerHTML( 'bottomNavClose', 'Fechar');
    //-
    
    
    
    //-
    
    
    var objCountImages = document.createElement('div');
    objCountImages.setAttribute('id','CountImages');
    objCountImages.style.styleFloat = 'left';
    objCountImages.style.marginLeft = '10px';
    objCountImages.style.marginTop = '12px';
	  objClose_TopBox.appendChild(objCountImages);	
	  Element.setWidth('CountImages',100);
    Element.setHeight('CountImages',25);
    objCountImages.setAttribute('style','margin-left: 10px; margin-top: 10px; position: absolute; float: left; width: 110px; height: 25px');
    if(vContadorImages != false){
      document.getElementById('CountImages').style.visibility = 'visible';
    }
    else{
      document.getElementById('CountImages').style.visibility = 'hidden';
    }
    //-
    
    
    //-
    var objControlesNavegacao = document.createElement('div');
    objControlesNavegacao.setAttribute('id','ControlesNavegacao');
    objControlesNavegacao.style.marginTop = '13px';
    objControlesNavegacao.style.textAlign = 'left'
    objControlesNavegacao.setAttribute('style','width:130px; text-align:left; height:15px; margin-left:118px; margin-top: 11px;  display:block; position: absolute;');
    objClose_TopBox.appendChild(objControlesNavegacao);
    
    
    if(vAtica_BT_SlideShow != false){
      
      var objControle_SlideShow = document.createElement('div');
      objControle_SlideShow.setAttribute('id','Controle_SlideShow');
      objControle_SlideShow.style.marginTop = '-6px';
      objControle_SlideShow.style.marginLeft = '20px';
      objControle_SlideShow.style.textAlign = 'left'
      objControle_SlideShow.setAttribute('style','width:60px; text-align:left; height:15px; margin-left:250px; margin-top: 5px;  display:block; ');
      objClose_TopBox.appendChild(objControle_SlideShow);
      Element.setWidth('Controle_SlideShow',73);
      Element.setHeight('Controle_SlideShow',25);
      
      var objLinkBT_SlideShow = document.createElement('a');
      objLinkBT_SlideShow.setAttribute('id','Link_BT_SlideShow');	
      objLinkBT_SlideShow.style.display = 'block';
      objLinkBT_SlideShow.setAttribute('href','#');
      objLinkBT_SlideShow.setAttribute('title','play slideshow');
      objControle_SlideShow.appendChild(objLinkBT_SlideShow);
      Element.setInnerHTML( 'Link_BT_SlideShow', 'slideshow');
      Element.setWidth('Link_BT_SlideShow',73);
      Element.setHeight('Link_BT_SlideShow',25);
			/*alert(document.getElementById("img_total").value);
			objLinkBT_SlideShow.style.display = "none";*/
      
    }
    

		var objControlsNavBT_Anterior = document.createElement('a');
    objControlsNavBT_Anterior.setAttribute('id','Bt_Anterior');	
    objControlsNavBT_Anterior.style.display = 'block';
    objControlsNavBT_Anterior.setAttribute('href','#');
    objControlsNavBT_Anterior.setAttribute('title','anterior');
    objControlsNavBT_Anterior.setAttribute('style',' float: left; width:55px; height:11px; display:block;');
    objControlesNavegacao.appendChild(objControlsNavBT_Anterior);	
   	Element.setWidth('Bt_Anterior',55);
    Element.setHeight('Bt_Anterior',11);
    Element.setInnerHTML( 'Bt_Anterior', 'anterior');
    
    
    
    var objControlsNavBT_Proximo = document.createElement('a');
    objControlsNavBT_Proximo.setAttribute('id','Bt_Proximo');	
    objControlsNavBT_Proximo.style.display = 'block';
    objControlsNavBT_Proximo.setAttribute('href','#');
    objControlsNavBT_Proximo.setAttribute('title','próximo');
    objControlsNavBT_Proximo.setAttribute('style',' float: left; width:53px; height:11px; display:block;');
    objControlesNavegacao.appendChild(objControlsNavBT_Proximo);	
   	Element.setWidth('Bt_Proximo',53);
    Element.setHeight('Bt_Proximo',11);
    Element.setInnerHTML( 'Bt_Proximo', 'próximo');
    

    // -----------------------------------------\\
    
    
			
			
		var objOuterImageContainer = document.createElement("div");
		objOuterImageContainer.setAttribute('id','outerImageContainer');
		objLightbox.appendChild(objOuterImageContainer);

		// When Lightbox starts it will resize itself from 250 by 250 to the current image dimension.
		// If animations are turned off, it will be hidden as to prevent a flicker of a
		// white 250 by 250 box.
		if(animate){
			Element.setWidth('outerImageContainer', 250);
			Element.setHeight('outerImageContainer', 250);			
		} else {
			Element.setWidth('outerImageContainer', 1);
			Element.setHeight('outerImageContainer', 1);			
		}
		
		
		

		

		var objImageContainer = document.createElement("div");
		objImageContainer.setAttribute('id','imageContainer');
		objOuterImageContainer.appendChild(objImageContainer);
		
		
		    //vCredito_Imagem
    
    var objCreditoIMG = document.createElement('div');
    objCreditoIMG.setAttribute('id','CreditoIMG');
    objCreditoIMG.style.styleFloat = 'left';
    objCreditoIMG.style.position = 'absolute';
    objClose_TopBox.appendChild(objCreditoIMG);	
    Element.setHeight('CreditoIMG',13);






	
		var objLightboxImage = document.createElement("img");
		objLightboxImage.setAttribute('id','lightboxImage');
		objLightboxImage.setAttribute('style','margin-top: 8px;');
		
		
		objImageContainer.appendChild(objLightboxImage);
	
		var objHoverNav = document.createElement("div");
		objHoverNav.setAttribute('id','hoverNav');
		objImageContainer.appendChild(objHoverNav);
	
		var objPrevLink = document.createElement("a");
		objPrevLink.setAttribute('id','prevLink');
		objPrevLink.setAttribute('href','#');
		objHoverNav.appendChild(objPrevLink);
		
		var objNextLink = document.createElement("a");
		objNextLink.setAttribute('id','nextLink');
		objNextLink.setAttribute('href','#');
		objHoverNav.appendChild(objNextLink);
	
		var objLoading = document.createElement("div");
		objLoading.setAttribute('id','loading');
		objImageContainer.appendChild(objLoading);
	
		var objLoadingLink = document.createElement("a");
		objLoadingLink.setAttribute('id','loadingLink');
		objLoadingLink.setAttribute('href','#');
		objLoadingLink.onclick = function() { myLightbox.end(); return false; }
		objLoading.appendChild(objLoadingLink);
	
		var objLoadingImage = document.createElement("img");
		objLoadingImage.setAttribute('src', fileLoadingImage);
		objLoadingLink.appendChild(objLoadingImage);

		var objImageDataContainer = document.createElement("div");
		objImageDataContainer.setAttribute('id','imageDataContainer');
		objImageDataContainer.className = 'clearfix';
		objLightbox.appendChild(objImageDataContainer);

		var objImageData = document.createElement("div");
		objImageData.setAttribute('id','imageData');
		objImageDataContainer.appendChild(objImageData);
	
		var objImageDetails = document.createElement("div");
		objImageDetails.setAttribute('id','imageDetails');
		objImageData.appendChild(objImageDetails);
	
		var objCaption = document.createElement("span");
		objCaption.setAttribute('id','caption');
		objImageDetails.appendChild(objCaption);
	
		var objNumberDisplay = document.createElement("span");
		objNumberDisplay.setAttribute('id','numberDisplay');
		objImageDetails.appendChild(objNumberDisplay);
		
		var objBottomNav = document.createElement("div");
		objBottomNav.setAttribute('id','bottomNav');		
		objImageData.appendChild(objBottomNav);
	
	},
	
	//
	//	start()
	//	Display overlay and lightbox. If image is part of a set, add siblings to imageArray.
	//
	start: function(imageLink) {	

    vEmExecucao = true;
    
		hideSelectBoxes();
		hideFlash();
    
   // document.getElementById('BodyFotos').style.overflowY = 'hidden';
   //	document.getElementById('BodyFotos').style.overflowX = 'hidden';

    
		// stretch overlay to fill page and fade in
		var arrayPageSize = getPageSize();
		Element.setHeight('overlay', arrayPageSize[0]);

		new Effect.Appear('overlay', { duration: overlayDuration, from: 0.0, to: 0.8 });

		imageArray = [];
		imageNum = 0;		

		if (!document.getElementsByTagName){ return; }
		var anchors = document.getElementsByTagName('a');

		// if image is NOT part of a set..
		if((imageLink.getAttribute('rel') == 'lightbox')){
			// add single image to imageArray
			imageArray.push(new Array(imageLink.getAttribute('href'), imageLink.getAttribute('title')));			
		} else {
		// if image is part of a set..

			// loop through anchors, find other images in set, and add them to imageArray
			for (var i=0; i<anchors.length; i++){
				var anchor = anchors[i];
				if (anchor.getAttribute('href') && (anchor.getAttribute('rel') == imageLink.getAttribute('rel'))){
					imageArray.push(new Array(anchor.getAttribute('href'), anchor.getAttribute('title')));
				}
			}
			imageArray.removeDuplicates();
			while(imageArray[imageNum][0] != imageLink.getAttribute('href')) { imageNum++;}
		}

		// calculate top offset for the lightbox and display 
		var arrayPageScroll = getPageScroll();
		var lightboxTop = arrayPageScroll[1] + (arrayPageSize[3] / 10);

		Element.setTop('lightbox', lightboxTop);
		Element.show('lightbox');
		
		this.changeImage(imageNum);
		
		//=========================================================
		//APENAS PARA BOBSTORE
		//ESCONDE A BARRA DE ROLAGEM NA HORA QUE ABRE A GALERIA
		//POIS SE HÁ TEXTOS COM BARRA DE ROLAGEM NO SITE ESTA BARRA 
		//FICA SOBRE A GALERIA
		if(document.getElementById("texto_moda"))
		{
				document.getElementById("texto_moda").style.overflow = "hidden";
		}


	},

	//
	//	changeImage()
	//	Hide most elements and preload image in preparation for resizing image container.
	//
	changeImage: function(imageNum) {	
		
		activeImage = imageNum;	// update global var

		// hide elements during transition
		if(animate){ Element.show('loading');}
		Element.hide('lightboxImage');
		Element.hide('hoverNav');
		Element.hide('prevLink');
		Element.hide('nextLink');
		Element.hide('imageDataContainer');
		Element.hide('numberDisplay');		
		
		document.getElementById('Close_TopBox').style.visibility = 'hidden';
		document.getElementById('Bt_Anterior').style.visibility = 'hidden';
		document.getElementById('Bt_Proximo').style.visibility = 'hidden';
		

    document.getElementById('CountImages').style.visibility = 'hidden';


		
		
		
		imgPreloader = new Image();
		
		// once image is preloaded, resize image container
		imgPreloader.onload=function(){
			Element.setSrc('lightboxImage', imageArray[activeImage][0]);
			//linha original
			//myLightbox.resizeImageContainer(imgPreloader.width, imgPreloader.height);
			
			//==================================================================================
			//travando a largura da imagem em 380 pixels para que o cabeçalho das imagens
			//não fique "encavalado"
			//==================================================================================
			
			if (parseInt(imgPreloader.width) < 380)
			{
					var Largura_max_img = 380;
			}
			else
			{
					var Largura_max_img = imgPreloader.width;
			}
			
			//na altura deixo pegar da imagens 
			var Altura_max_img = imgPreloader.height;
			
			myLightbox.resizeImageContainer(Largura_max_img, Altura_max_img);
			
			//==================================================================================
			//FIM - travando a largura da imagem em 380 pixels para que o cabeçalho das imagens
			//não fique "encavalado"
			//==================================================================================
			
			
		}
		imgPreloader.src = imageArray[activeImage][0];
	},

	//
	//	resizeImageContainer()
	//
	resizeImageContainer: function( imgWidth, imgHeight) {
		/*alert(imgWidth);
		alert(imgHeight);*/
		// get curren width and height
		this.widthCurrent = Element.getWidth('outerImageContainer');
		this.heightCurrent = Element.getHeight('outerImageContainer');

		// get new width and height
		var widthNew = (imgWidth  + (borderSize * 2));
		var heightNew = (imgHeight  + (borderSize * 2));


		// scalars based on change from old to new
		this.xScale = ( widthNew / this.widthCurrent) * 100;
		this.yScale = ( heightNew / this.heightCurrent) * 100;

		// calculate size difference between new and old image, and resize if necessary
		wDiff = this.widthCurrent - widthNew;
		hDiff = this.heightCurrent - heightNew;

		if(!( hDiff == 0)){ new Effect.Scale('outerImageContainer', this.yScale, {scaleX: false, duration: resizeDuration, queue: 'front'}); }
		if(!( wDiff == 0)){ new Effect.Scale('outerImageContainer', this.xScale, {scaleY: false, delay: resizeDuration, duration: resizeDuration}); }

		// if new and old image are same size and no scaling transition is necessary, 
		// do a quick pause to prevent image flicker.
		if((hDiff == 0) && (wDiff == 0)){
			if (navigator.appVersion.indexOf("MSIE")!=-1){ pause(250); } else { pause(100);} 
		}

		Element.setHeight('prevLink', imgHeight);
		Element.setHeight('nextLink', imgHeight);
		Element.setWidth( 'imageDataContainer', widthNew);
		
		
     Element.setWidth('Close_TopBox', widthNew);
		 Element.setHeight('Close_TopBox', 40);		
		 Element.setWidth('caption', widthNew-20);				

		this.showImage();
	},
	
	//
	//	showImage()
	//	Display image and begin preloading neighbors.
	//
	showImage: function(){
		Element.hide('loading');
		new Effect.Appear('lightboxImage', { duration: resizeDuration, queue: 'end', afterFinish: function(){	myLightbox.updateDetails(); } });
		this.preloadNeighborImages();
	},

	//
	//	updateDetails()
	//	Display caption, image number, and bottom nav.
	//
	updateDetails: function() {
	
	  document.getElementById('Close_TopBox').style.visibility = 'visible';
		Element.show('caption');
		Element.setInnerHTML( 'caption', imageArray[activeImage][1]);
		
		
		
		if(vContadorImages != false){
      document.getElementById('CountImages').style.visibility = 'visible';
    }
    else{
      document.getElementById('CountImages').style.visibility = 'hidden';
    }

		
		var vCredito = imageArray[activeImage][0];
		//alert(vCredito);
		vCredito = vCredito.split('?');
		if(vCredito[1].length > 0){
		  vCredito_Imagem = 'crédito: '+ vCredito[1];
		}
		else{
		  vCredito_Imagem = '';
		}
		
		Element.setInnerHTML( 'CreditoIMG', vCredito_Imagem);
		
		// if image is part of set display 'Image x of x' 
		if(imageArray.length > 1){
			Element.show('numberDisplay');
			Element.setInnerHTML( 'numberDisplay', "");
			if(vContadorImages != false){
			  Element.setInnerHTML( 'CountImages', "Imagem " + eval(activeImage + 1) + " de " + imageArray.length);
			}
			
      document.getElementById('img_atual').value=activeImage;
      document.getElementById('img_total').value=imageArray.length;
			
		}
		
		//=======================================================
		//se tiver apenas 1 imagem desabilita o slideshow -- 25/03/2008
		//=======================================================
		if(parseInt(imageArray.length) < 2)
		{
			if(document.getElementById('Link_BT_SlideShow'))
			{
					document.getElementById('Link_BT_SlideShow').style.display = "none";
			}
		}

		new Effect.Parallel(
			[ new Effect.SlideDown( 'imageDataContainer', { sync: true, duration: resizeDuration, from: 0.0, to: 1.0 }), 
			  new Effect.Appear('imageDataContainer', { sync: true, duration: resizeDuration }) ], 
			{ duration: resizeDuration, afterFinish: function() {
				// update overlay size and update nav
				var arrayPageSize = getPageSize();
				Element.setHeight('overlay', arrayPageSize[1]);
				myLightbox.updateNav();
				}
			} 			
		);
		
	},

	//
	//	updateNav()
	//	Display appropriate previous and next hover navigation.
	//
	updateNav: function() {

		Element.show('hoverNav');				

		// if not first image in set, display prev image button
		if(activeImage != 0){
			Element.show('prevLink');
			document.getElementById('Bt_Anterior').style.visibility = 'visible';
			
			  document.getElementById('prevLink').onclick = function() {
				  myLightbox.changeImage(activeImage - 1);
				  return false;
			  }
			  
			  document.getElementById('Bt_Anterior').onclick = function() {
				  myLightbox.changeImage(activeImage - 1); 
				  return false;
			  }
		}

		// if not last image in set, display next image button
		if(activeImage != (imageArray.length - 1)){


			Element.show('nextLink');
			document.getElementById('Bt_Proximo').style.visibility = 'visible';

			document.getElementById('nextLink').onclick = function() {
				myLightbox.changeImage(activeImage + 1); 
				return false;
			}
			
			document.getElementById('Bt_Proximo').onclick = function() {
				myLightbox.changeImage(activeImage + 1); 
				return false;
			}
			
      if(vAtica_BT_SlideShow != false){

			    document.getElementById('Link_BT_SlideShow').onclick = function() {
				    if(document.getElementById('active_slideshow').value==0){
				      GM_SlideShowInicio();
				    }
				    else if(document.getElementById('active_slideshow').value==2){
              vEmExecucao = true;
              GM_SlideShowReinicia();
              return false;
				    }
				    else{
				      GM_SlideShowInicio_Breack();
				    }
				    return false;
			    }
			}
			
		}
		
		this.enableKeyboardNav();
		vEmExecucao = false;
	},

	//
	//	enableKeyboardNav()
	//
	enableKeyboardNav: function() {
		document.onkeydown = this.keyboardAction; 
	},

	//
	//	disableKeyboardNav()
	//
	disableKeyboardNav: function() {
		document.onkeydown = '';
	},

	//
	//	keyboardAction()
	//
	keyboardAction: function(e) {
		if (e == null) { // ie
			keycode = event.keyCode;
			escapeKey = 27;
		} else { // mozilla
			keycode = e.keyCode;
			escapeKey = e.DOM_VK_ESCAPE;
		}

		key = String.fromCharCode(keycode).toLowerCase();
		
		if((key == 'x') || (key == 'o') || (key == 'c') || (keycode == escapeKey)){	// close lightbox
			myLightbox.end();
		} else if((key == 'p') || (keycode == 37)){	// display previous image
			if(activeImage != 0){
				myLightbox.disableKeyboardNav();
				myLightbox.changeImage(activeImage - 1);
			}
		} else if((key == 'n') || (keycode == 39)){	// display next image
			if(activeImage != (imageArray.length - 1)){
				myLightbox.disableKeyboardNav();
				myLightbox.changeImage(activeImage + 1);
			}
		}

	},

	//
	//	preloadNeighborImages()
	//	Preload previous and next images.
	//
	preloadNeighborImages: function(){

		if((imageArray.length - 1) > activeImage){
			preloadNextImage = new Image();
			preloadNextImage.src = imageArray[activeImage + 1][0];
		}
		if(activeImage > 0){
			preloadPrevImage = new Image();
			preloadPrevImage.src = imageArray[activeImage - 1][0];
		}
		vEmExecucao = false;
	
	},

	//
	//	end()
	//
	end: function() {
		this.disableKeyboardNav();
		Element.hide('lightbox');
		new Effect.Fade('overlay', { duration: overlayDuration});
		showSelectBoxes();
		showFlash();
		//document.getElementById('BodyFotos').style.overflowY = 'scroll';
		//document.getElementById('BodyFotos').style.overflowX = 'auto';
		
    if(vAtica_BT_SlideShow != false){
		    GM_SlideShowInicio_Breack();
    }
		
				
				
				//=========================================================
				//APENAS PARA BOBSTORE
				//ESCONDE A BARRA DE ROLAGEM NA HORA QUE ABRE A GALERIA
				//POIS SE HÁ TEXTOS COM BARRA DE ROLAGEM NO SITE ESTA BARRA 
				//FICA SOBRE A GALERIA
				if(document.getElementById("texto_moda"))
				{
						document.getElementById("texto_moda").style.overflow = "auto";
				}




}
}

// -----------------------------------------------------------------------------------

//
// getPageScroll()
// Returns array with x,y page scroll values.
// Core code from - quirksmode.org
//
function getPageScroll(){

	var yScroll;

	if (self.pageYOffset) {
		yScroll = self.pageYOffset;
	} else if (document.documentElement && document.documentElement.scrollTop){	 // Explorer 6 Strict
		yScroll = document.documentElement.scrollTop;
	} else if (document.body) {// all other Explorers
		yScroll = document.body.scrollTop;
	}

	arrayPageScroll = new Array('',yScroll) 
	return arrayPageScroll;
}

// -----------------------------------------------------------------------------------

//
// getPageSize()
// Returns array with page width, height and window width, height
// Core code from - quirksmode.org
// Edit for Firefox by pHaez
//
function getPageSize(){
	
	var xScroll, yScroll;
	
	if (window.innerHeight && window.scrollMaxY) {	
		xScroll = document.body.scrollWidth;
		yScroll = window.innerHeight + window.scrollMaxY;
	} else if (document.body.scrollHeight > document.body.offsetHeight){ // all but Explorer Mac
		xScroll = document.body.scrollWidth;
		yScroll = document.body.scrollHeight;
	} else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
		xScroll = document.body.offsetWidth;
		yScroll = document.body.offsetHeight;
	}
	
	var windowWidth, windowHeight;
	if (self.innerHeight) {	// all except Explorer
		windowWidth = self.innerWidth;
		windowHeight = self.innerHeight;
	} else if (document.documentElement && document.documentElement.clientHeight) { // Explorer 6 Strict Mode
		windowWidth = document.documentElement.clientWidth;
		windowHeight = document.documentElement.clientHeight;
	} else if (document.body) { // other Explorers
		windowWidth = document.body.clientWidth;
		windowHeight = document.body.clientHeight;
	}	
	
	// for small pages with total height less then height of the viewport
	if(yScroll < windowHeight){
		pageHeight = windowHeight;
	} else { 
		pageHeight = yScroll;
	}

	// for small pages with total width less then width of the viewport
	if(xScroll < windowWidth){	
		pageWidth = windowWidth;
	} else {
		pageWidth = xScroll;
	}

	arrayPageSize = new Array(pageWidth,pageHeight,windowWidth,windowHeight) 
	return arrayPageSize;
}

// -----------------------------------------------------------------------------------

//
// getKey(key)
// Gets keycode. If 'x' is pressed then it hides the lightbox.
//
function getKey(e){
	if (e == null) { // ie
		keycode = event.keyCode;
	} else { // mozilla
		keycode = e.which;
	}
	key = String.fromCharCode(keycode).toLowerCase();
	
	if(key == 'x'){
	}
}

// -----------------------------------------------------------------------------------

//
// listenKey()
//
function listenKey () {	document.onkeypress = getKey; }
	
// ---------------------------------------------------

function showSelectBoxes(){
	var selects = document.getElementsByTagName("select");
	for (i = 0; i != selects.length; i++) {
		selects[i].style.visibility = "visible";
	}
}

// ---------------------------------------------------

function hideSelectBoxes(){
	var selects = document.getElementsByTagName("select");
	for (i = 0; i != selects.length; i++) {
		selects[i].style.visibility = "hidden";
	}
}

// ---------------------------------------------------

function showFlash(){
	var flashObjects = document.getElementsByTagName("object");
	for (i = 0; i != flashObjects.length; i++) {
		flashObjects[i].style.visibility = "visible";
	}

	var flashEmbeds = document.getElementsByTagName("embeds");
	for (i = 0; i != flashEmbeds.length; i++) {
		flashEmbeds[i].style.visibility = "visible";
	}
}

// ---------------------------------------------------

function hideFlash(){
	var flashObjects = document.getElementsByTagName("object");
	for (i = 0; i != flashObjects.length; i++) {
		flashObjects[i].style.visibility = "hidden";
	}

	var flashEmbeds = document.getElementsByTagName("embeds");
	for (i = 0; i != flashEmbeds.length; i++) {
		flashEmbeds[i].style.visibility = "hidden";
	}

}


// ---------------------------------------------------

//
// pause(numberMillis)
// Pauses code execution for specified time. Uses busy code, not good.
// Help from Ran Bar-On [ran2103@gmail.com]
//

function pause(ms){
	var date = new Date();
	curDate = null;
	do{var curDate = new Date();}
	while( curDate - date < ms);
}
/*
function pause(numberMillis) {
	var curently = new Date().getTime() + sender;
	while (new Date().getTime();	
}
*/
// ---------------------------------------------------


function GM_SlideShowInicio(){
 var vProximaImagem = 0;
 if (!vEmExecucao)
 {
    vEmExecucao = true;
    var vImage_Atual = parseInt(document.getElementById("img_atual").value);
    var vTotal_Images = parseInt(document.getElementById("img_total").value);
    
    var vActiveSlideShow = parseInt(document.getElementById("active_slideshow").value);
    
    if(vActiveSlideShow == 0){
      document.getElementById("active_slideshow").value = 1;
     
      document.getElementById('Controle_SlideShow').style.background = '';
      document.getElementById('Link_BT_SlideShow').style.background = 'url(gs_JSGaleria/images/slideshow_on.gif) no-repeat';
      document.getElementById('Link_BT_SlideShow').style.backgroundPosition = '-12px 0';
      document.getElementById('Link_BT_SlideShow').setAttribute('title','stop slideshow');
      vActiveSlideShow = 1;
      
      document.getElementById('Link_BT_SlideShow').onclick = function() {
        vEmExecucao = true;
        document.getElementById("active_slideshow").value = 2;
        GM_SlideShowInicio_Breack();
				return false;
				}

    }
    else if(vActiveSlideShow == 2){
       
        vEmExecucao = true;
        vActiveSlideShow = 2;
        GM_SlideShowReinicia();
				return false;

    }
    
    
    if ((vImage_Atual+1) > vTotal_Images - 1)
    {
	   vImage_Atual = -1;
    }
    
	  document.getElementById("img_atual").value = vImage_Atual;
    
    if(( vImage_Atual + 1 ) < ( vTotal_Images )){
        
        if(vActiveSlideShow == 1){
				  myLightbox.changeImage(vImage_Atual + 1); 
				  
				  var vIntervalo = parseInt(vGlobal_IntervaloSlideShow * 1000);
				  
				  setTimeout("GM_SlideShowInicio()", vIntervalo);
				  vEmExecucao = true;
				}
				else{
				  return false;
				}

	  }
    
 }

}

function GM_SlideShowInicio_Breack(){
				document.getElementById("active_slideshow").value = 2;
				document.getElementById('Link_BT_SlideShow').style.background = 'url(gs_JSGaleria/images/slideshow_off.gif) no-repeat';
        document.getElementById('Link_BT_SlideShow').style.backgroundPosition = '-12px 0';
        document.getElementById('Link_BT_SlideShow').setAttribute('title','play slideshow');
        return false;
}				
				
				
function GM_SlideShowReinicia(){
			document.getElementById('Link_BT_SlideShow').onclick = function() {
        vEmExecucao = false;
        document.getElementById("active_slideshow").value = 0;
        GM_SlideShowInicio();
				return false;
			}
}				


function initLightbox() { 
  /*
    try catch implementado por Silva, pois no novo padrão estamos chamando 
    os scripts da Galeria em todas as Páginas (inc_head.asp).
    e Nem sempre temos galeria em todas as páginas
  */
  try{
  myLightbox = new Lightbox();
  }
  catch(ex)
  {
    
  }
}
Event.observe(window, 'load', initLightbox, false);


