/************************************************************************************************************
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;	// Amount of time between each image(1000 = 1 second)
var slideshow2_fadingSpeed = 0;	// 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;

//MUDANÇA EKMF CMS
var controle2 = "proximo";
var numero_slide = 0;
var slide_verificado = 0;

function createParentDivs(imageIndex, divId) {
         if (imageIndex == slideshow2_imagesInGallery[divId]) {
            showGallery(divId, "proximo");
         }
         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, controle, stop) {
         if (stop) {
            if (controle == "anterior") {
               if (slideshow2_slideIndex[divId] <= -1) {
                  slideshow2_slideIndex[divId] = slideshow2_imageDivs[divId].length - 1;
               }
               slideshow2_slideIndexNext[divId] = slideshow2_slideIndex[divId] - 1;
               if (slideshow2_slideIndexNext[divId] <= -1) {
                  slideshow2_slideIndexNext[divId] = slideshow2_imageDivs[divId].length - 1;
               }
            }
            else if (controle == "proximo") {
                    if (slideshow2_slideIndex[divId] <= -1) {
                       slideshow2_slideIndex[divId] = 0;
                    }
                    if (slideshow2_slideIndex[divId] == slideshow2_imageDivs[divId].length) {
                       slideshow2_slideIndex[divId] = 0;
                    }
                    slideshow2_slideIndexNext[divId] = slideshow2_slideIndex[divId] + 1;
                    if (slideshow2_slideIndexNext[divId] == slideshow2_imageDivs[divId].length) {
                       slideshow2_slideIndexNext[divId] = 0;
                    }
            }
            controle2 = controle;
         }
         else if (controle2 == controle) {
                 if (controle == "anterior") {
                    if (slideshow2_slideIndex[divId] <= 0) {
                       slideshow2_slideIndex[divId] = slideshow2_imageDivs[divId].length - 1;
                    }
                    else {
                         slideshow2_slideIndex[divId]--;
                    }
                    slideshow2_slideIndexNext[divId] = slideshow2_slideIndex[divId] - 1;
                    if (slideshow2_slideIndexNext[divId] <= -1) {
                       slideshow2_slideIndexNext[divId] = slideshow2_imageDivs[divId].length - 1;
                    }
                 }
                 else if (controle == "proximo") {
                         slideshow2_slideIndexNext[divId] = slideshow2_slideIndexNext[divId] - 2;
                         if (slideshow2_slideIndex[divId] <= -1) {
                            slideshow2_slideIndex[divId] = 0;
                         }
                         else {
                              slideshow2_slideIndex[divId]++;
                         }
                         if (slideshow2_slideIndex[divId] == slideshow2_imageDivs[divId].length) {
                            slideshow2_slideIndex[divId] = 0;
                         }
                         slideshow2_slideIndexNext[divId] = slideshow2_slideIndex[divId] + 1;
                         if (slideshow2_slideIndexNext[divId] == slideshow2_imageDivs[divId].length) {
                            slideshow2_slideIndexNext[divId] = 0;
                         }
                 }
         }
         else {
              if (controle == "anterior") {
                 if (slideshow2_slideIndex[divId] <= 0) {
                    slideshow2_slideIndex[divId] = slideshow2_imageDivs[divId].length - 1;
                 }
                 else {
                      slideshow2_slideIndex[divId]--;
                 }
                 slideshow2_slideIndexNext[divId] = slideshow2_slideIndex[divId] - 1;
                 if (slideshow2_slideIndexNext[divId] <= -1) {
                    slideshow2_slideIndexNext[divId] = slideshow2_imageDivs[divId].length - 1;
                 }
              }
              else if (controle == "proximo") {
                      slideshow2_slideIndex[divId]++;
                      if (slideshow2_slideIndex[divId] == -1) {
                         slideshow2_slideIndex[divId] = 0;
                      }
                      if (slideshow2_slideIndex[divId] == slideshow2_imageDivs[divId].length) {
                         slideshow2_slideIndex[divId] = 0;
                      }
                      slideshow2_slideIndexNext[divId] = slideshow2_slideIndex[divId] + 1;
                      if (slideshow2_slideIndexNext[divId] == slideshow2_imageDivs[divId].length) {
                         slideshow2_slideIndexNext[divId] = 0;
                      }
              }
              controle2 = controle;
         }
//         alert(controle + ", " + slideshow2_slideIndex[divId] + ", " + slideshow2_slideIndexNext[divId] + ", " + slideshow2_imageDivs[divId].length);

         slideshow2_currentOpacity[divId] = 100;
         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) {
            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;
              slideshow2_imageDivs[divId][slideshow2_slideIndexNext[divId]].style.opacity = 0.01;
         }
}

function revealImageStop(divId, controle3) {
         this.numero_slide++;
         slide_verificado = 0;
         slideshow2_imageDivs[divId][slideshow2_slideIndex[divId]].style.visibility = 'hidden';
         if (Opera) {
            slideshow2_imageDivs[divId][slideshow2_slideIndex[divId]].style.display = 'none';
         }
         showGallery(divId, controle3, 1);
         revealImage(divId, controle3, this.numero_slide);
}

function revealImage (divId, controle, numero_slide2) {
         if (numero_slide2 == this.numero_slide) {
            if ((controle == "proximo") && !slide_verificado) {
               slideshow2_imageDivs[divId][slideshow2_slideIndexNext[divId]].style.visibility = 'hidden';
               if (Opera) {
                  slideshow2_imageDivs[divId][slideshow2_slideIndexNext[divId]].style.display = 'none';
               }
               slideshow2_slideIndexNext[divId] = slideshow2_slideIndex[divId] + 1;
               if (slideshow2_slideIndexNext[divId] == slideshow2_imageDivs[divId].length) {
                  slideshow2_slideIndexNext[divId] = 0;
               }
               if (navigator.userAgent.indexOf('Opera') < 0) {
                  slideshow2_imageDivs[divId][slideshow2_slideIndexNext[divId]].style.visibility = 'visible';
               }
               if (document.all) {
                  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;
                    slideshow2_imageDivs[divId][slideshow2_slideIndexNext[divId]].style.opacity = 0.01;
               }
               slide_verificado = 1;
            }
            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, controle);
               return;
            }
            slideshow2_currentOpacity[divId] = slideshow2_currentOpacity[divId] - 12;
            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] / 84);
                 slideshow2_imageDivs[divId][slideshow2_slideIndexNext[divId]].style.opacity = Math.min(0.99, (1 - (slideshow2_currentOpacity[divId] / 84)));
            }
            if (slideshow2_currentOpacity[divId] > 0) {
               var fadding = setTimeout('revealImage("' + divId + '", "' + controle + '", "' + numero_slide2 + '")', slideshow2_fadingSpeed);
            }
            else {
                 slideshow2_imageDivs[divId][slideshow2_slideIndex[divId]].style.display = "none";
                 slideshow2_imageDivs[divId][slideshow2_slideIndexNext[divId]].style.display = "block";
                 slideshow2_imageDivs[divId][slideshow2_slideIndex[divId]].style.visibility = 'hidden';
                 if (Opera) {
                    slideshow2_imageDivs[divId][slideshow2_slideIndex[divId]].style.display = 'none';
                 }
                 showGallery(divId, controle, 0);
                 setTimeout('revealImage("' + divId + '", "proximo", "' + numero_slide2 + '")', slideshow2_timeBetweenSlides);
            }
         }
         else {
              return;
         }
}

function initImageGallery(divId, velocidade_troca) {
         slideshow2_timeBetweenSlides = velocidade_troca;
         
         var slideshow2_galleryContainer = document.getElementById(divId);

         slideshow2_slideIndex[divId] = -1;
         slideshow2_slideIndexNext[divId] = false;

         var galleryImgArray = slideshow2_galleryContainer.getElementsByTagName("div");
         var i = 0;
         for (var no = 0; no < galleryImgArray.length; no++) {
             if (galleryImgArray[no].id == "slide") {
                galleryImgArray[no].id = divId + '_' + i;
                if (i) {
                   galleryImgArray[no].style.display = "none";
                }
                i++;
             }
         }
         slideshow2_imagesInGallery[divId] = i;
         createParentDivs(0, divId);
}