// JavaScript Document

var Wbar = 1;
var Hbar = 1;
var fadein = 1;
var fadeout = 1;
var slidein = 1;
var slideout = 1;
var slide = 1;

var Jan=["photo1.jpg",
         "photo2.jpg",
         "photo3.jpg",
         "PICTURES_8.jpg",
         "PICTURES_9.jpg",
         "PICTURES_10.jpg",
         "PICTURES_13.jpg",
         "PICTURES_15.jpg",
         "PICTURES_16.jpg",
         "PICTURES_17.jpg",
         "PICTURES_18.jpg",
         "PICTURES_21.jpg",
         "PICTURES_22.jpg"]; 

function crossFade(divID){
  if(document.getElementById('txtContentHome').style.visibility == "visible"){
    fadeOut('txtContentHome');
  }
  else{
    if(document.getElementById('txtContentAbout').style.visibility == "visible"){fadeOut('txtContentAbout')}
    if(document.getElementById('txtContentCovenant').style.visibility == "visible"){fadeOut('txtContentCovenant')}
    if(document.getElementById('txtContentMinistry').style.visibility == "visible"){fadeOut('txtContentMinistry')}
    if(document.getElementById('txtContentPastor').style.visibility == "visible"){fadeOut('txtContentPastor')}
    if(document.getElementById('txtContentEvents').style.visibility == "visible"){fadeOut('txtContentEvents')}
    if(document.getElementById('txtContentPrayerConcerns').style.visibility == "visible"){fadeOut('txtContentPrayerConcerns')}
    if(document.getElementById('txtContentDirections').style.visibility == "visible"){fadeOut('txtContentDirections')}
  }
  if(divID == "txtContentHome"){setOpacity("imgSlideshow", 1); slideshowInt = setInterval("slideshow()", 6000);}
  setTimeout('fadeIn("' + divID + '")', 250);
}
function fadeIn(divID){
  fadein = 1;
  fadeInInt = setInterval('increaseOpacity("' + divID + '")', 50);
}
function fadeOut(divID){
  fadeout = 10;
  fadeOutInt = setInterval('decreaseOpacity("' + divID + '")', 50);  
}
function decreaseOpacity(divID){
  if(divID == "imgSlideshow"){
    slideout -= 1;
    setOpacity(divID, slideout);
    if(slideout <= 1){
      clearInterval(slideOutInt);
      document.getElementById(divID).style.visibility = "hidden";
    }
  }
  else {
    fadeout -= 1;
    setOpacity(divID, fadeout);
    if(divID == "txtContentHome"){setOpacity("imgSlideshow", fadeout)}
    if(fadeout <= 1){
      clearInterval(fadeOutInt);
      document.getElementById(divID).style.visibility = "hidden";
      if(divID == "txtContentHome"){
        document.getElementById("imgSlideshow").style.visibility = "hidden"; 
        stopSlideshow();
      }
    }
  }
}
function increaseOpacity(divID){
  document.getElementById(divID).style.visibility = "visible";
  if(divID == "txtContentHome"){document.getElementById("imgSlideshow").style.visibility = "visible"}
  if(divID == "imgSlideshow"){
    slidein += 1;
    setOpacity(divID, slidein);
    if(slidein >= 10){clearInterval(slideInInt)}
  }
  else {
    fadein += 1;
    setOpacity(divID, fadein);
    if(divID == "txtContentHome"){setOpacity("imgSlideshow", fadein)}
    if(fadein >= 10){clearInterval(fadeInInt)}
  }
}
function incrementHeight(divID){
  Hbar += 7;
  var objH = document.getElementById('barH');
  objH.style.visibility = "visible";
  objH.style.height = Hbar + "px";
  if(Hbar >= 700){clearInterval(Hint)}
}
function incrementWidth(){
  Wbar += 10;
  var objW = document.getElementById('barW');
  objW.style.visibility = "visible";
  objW.style.width = Wbar + "px";
  if(Wbar >= 1000){clearInterval(Wint)}  
}
function initFadeIn(){
  fadein += 1;
  setOpacity("txtHdr", fadein);
  setOpacity("imgCross", fadein);
  setOpacity("txtWorshipTimes", fadein);
  setOpacity("txtMenu", fadein);
  setOpacity("txtContentHome", fadein);
  if(fadein >= 10){clearInterval(fadeInInt)}  
}
function loader(){
  Wint = setInterval("incrementWidth()", 1); 
  Hint = setInterval("incrementHeight()", 1); 
  setTimeout("loader2()", 1500)
}
function loader2(){
  setOpacity("txtHdr", 1);
  setOpacity("imgCross", 1);
  setOpacity("txtWorshipTimes", 1);
  setOpacity("txtMenu", 1);
  setOpacity("txtContentHome",1);
  document.getElementById("txtHdr").style.visibility = "visible"; 
  document.getElementById("imgCross").style.visibility = "visible";
  document.getElementById("txtWorshipTimes").style.visibility = "visible";
  document.getElementById("txtMenu").style.visibility = "visible";
  document.getElementById("txtContentHome").style.visibility = "visible";
  fadeInInt = setInterval("initFadeIn()", 50);
  slideshowInt = setInterval("slideshow()", 6000);
}
function nxtSlide(){
  var nSlide = slide + 1;
  if(nSlide > Jan.length - 1){nSlide = 0}
  slide = nSlide
  document.getElementById('imgSlide').src = "slideshow/" + Jan[nSlide];
  setTimeout('slideIn("imgSlideshow")', 700); 
}
function setOpacity(divID, value) {
  var divObj = document.getElementById(divID);
	divObj.style.opacity = value/10;
	divObj.style.filter = 'alpha(opacity=' + value*10 + ')';
}
function slideIn(divID){
  slidein = 1;
  slideInInt = setInterval('increaseOpacity("' + divID + '")', 75);
}
function slideOut(divID){
  slideout = 10;
  slideOutInt = setInterval('decreaseOpacity("' + divID + '")', 75);  
}
function slideshow(){
  slideout = 10;
  slidein = 1;
  slideOut("imgSlideshow")
  setTimeout("nxtSlide()", 700); 
}
function stopSlideshow(){
  clearInterval(slideshowInt);
  document.getElementById('imgSlideshow').style.visibility = "hidden";  
}