var browser = navigator.appName;
var adChangeTime = 5; //seconds
var artCrossFadeDuration = 1; //seconds
var numArticles = 4;
var curArticleIndex = 1;
var artMainPicArray = new Array(numArticles);
var artThumbPicArray = new Array(numArticles);
var artThumbArray = new Array(numArticles);
var artMainArray = new Array(numArticles);
var artUrls = new Array(numArticles);
var artTitles = new Array(numArticles);
var artShortDesc = new Array(numArticles);

artThumbArray[0] = "/WebSite/images/rotatingArticles/the_crossing_thumb.jpg";
artThumbArray[1] = "/WebSite/images/rotatingArticles/Crossing-Kids_thumb.jpg";
artThumbArray[2] = "/WebSite/images/rotatingArticles/e-giving_thumb.jpg";
artThumbArray[3] = "/WebSite/images/rotatingArticles/ignite_thumb.jpg";

artMainArray[0] = "/WebSite/images/rotatingArticles/the_crossing_main.jpg";
artMainArray[1] = "/WebSite/images/rotatingArticles/Crossing-Kids_main.jpg";
artMainArray[2] = "/WebSite/images/rotatingArticles/e-giving.jpg";
artMainArray[3] = "/WebSite/images/rotatingArticles/ignite.jpg";

artUrls[0] = "/WebSite/SubPage.aspx?PageID=Map";
artUrls[1] = "http://www.crossingkids.com";
artUrls[2] = "http://thecrossing.cc/WebSite/SubPage.aspx?PageID=egiving";
artUrls[3] = "http://www.ignitemyworld.com/"; 

artTitles[0] = "Crossing Sundays";
artTitles[1] = "Crossing Kids";
artTitles[2] = "E-Giving";
artTitles[3] = "Ignite Youth Church";

artShortDesc[0] = "Be our guest this Sunday and enjoy an hour of incredible worship, and a message that's relevant to today without compromising God's Word.";
artShortDesc[1] = "Crossing Kids is a place just for kids.";
artShortDesc[2] = "Whether you would like to give a single gift or schedule ongoing donations, you can do it all online now. ";
artShortDesc[3] = "Ignite is designed to be a safe place for students in 7th - 12th grades to come and enjoy the very best worship services and Life changing messages on Sundays, and small group discussions and bible studies on Wednesdays.";

if(document.images) { //pre-load all article images
  for(var i=0; i<numArticles; i++) {
    artMainPicArray[i] = new Image(497, 164);
    artMainPicArray[i].src = artMainArray[i];
    artThumbPicArray[i] = new Image(66, 66);
    artThumbPicArray[i].src = artThumbArray[i];
  }
}

function changeArticle() { //article changer function
  if(curArticleIndex > numArticles - 1) { curArticleIndex = 0; }
  if(browser == "Microsoft Internet Explorer") {
  	document.article0.style.filter="blendTrans(duration=5)";
  	document.article0.style.filter="blendTrans(duration=artCrossFadeDuration)";
  	document.article0.filters.blendTrans.Apply();

  	document.article1.style.filter="blendTrans(duration=5)";
  	document.article1.style.filter="blendTrans(duration=artCrossFadeDuration)";
  	document.article1.filters.blendTrans.Apply();

  	document.article2.style.filter="blendTrans(duration=5)";
  	document.article2.style.filter="blendTrans(duration=artCrossFadeDuration)";
  	document.article2.filters.blendTrans.Apply();

  	document.article3.style.filter="blendTrans(duration=5)";
  	document.article3.style.filter="blendTrans(duration=artCrossFadeDuration)";
  	document.article3.filters.blendTrans.Apply();
	}
  document.article0.src = artMainPicArray[((0 + curArticleIndex) % 4)].src; //sets a new article picture
  document.article1.src = artThumbPicArray[((1 + curArticleIndex) % 4)].src; //sets a new article picture
  document.article2.src = artThumbPicArray[((2 + curArticleIndex) % 4)].src; //sets a new article picture
  document.article3.src = artThumbPicArray[((3 + curArticleIndex) % 4)].src; //sets a new article picture
  if(browser == "Microsoft Internet Explorer") {
    document.article0.filters.blendTrans.Play();
    document.article1.filters.blendTrans.Play();
    document.article2.filters.blendTrans.Play();
    document.article3.filters.blendTrans.Play();
  }
  // *** Main article ***
	document.links.namedItem('article0_image').href = artUrls[((0 + curArticleIndex) % 4)];

	// *** 3 sub articles ***
	for (var i = 1; i < 4; i++) {
	  document.links.namedItem('article' + i + '_image').href = artUrls[((i + curArticleIndex) % 4)];
  	document.links.namedItem('article' + i + '_title').href = artUrls[((i + curArticleIndex) % 4)];
	  document.links.namedItem('article' + i + '_title').innerHTML = artTitles[((i + curArticleIndex) % 4)];
  	document.links.namedItem('article' + i + '_desc').href = artUrls[((i + curArticleIndex) % 4)];
	  document.links.namedItem('article' + i + '_desc').innerHTML = artShortDesc[((i + curArticleIndex) % 4)];
  	document.links.namedItem('article' + i + '_moredetails').href = artUrls[((i + curArticleIndex) % 4)];
	}
	curArticleIndex++; //increase the counter for the next article
}

function det_time() {
  var d = new Date();
  var c_hour = d.getHours();
  var c_min = d.getMinutes();
  var c_sec = d.getSeconds();
  var t = c_hour + ":" + c_min + ":" + c_sec;
  changeArticle();
  }
  
setInterval("det_time()", adChangeTime * 2000);