// JavaScript Document
function setOpacity(eID, opacityLevel) {
	var eStyle = document.getElementById(eID).style;
	eStyle.opacity = opacityLevel / 100;
	eStyle.filter = 'alpha(opacity='+opacityLevel+')';
}

function getElm(eID) {
  return document.getElementById(eID);
}
function show(eID) {
  getElm(eID).style.display='block';
}
function hide(eID) {
  getElm(eID).style.display='none';
}
function fadeIn(eID) {
  setOpacity(eID, 0); show(eID); var timer = 0;
  for (var i=1; i<=100; i++) {
	  setTimeout("setOpacity('"+eID+"',"+i+")", timer * 5);
	  timer++;
  }
}
function fadeOut(eID) {
  var timer = 0;
  for (var i=100; i>=1; i--) {
	  setTimeout("setOpacity('"+eID+"',"+i+")", timer * 5);
	  timer++;
  }
  setTimeout("hide('"+eID+"')", 310);
}

var images = ['img2','img3','img4','img5','img6'];
var currImage = 4;

function gallery(){
	elem1 = images[currImage];
	currImage = ++currImage % 5;
	elem2 = images[currImage];
	fadeOut( elem1 );
	fadeIn( elem2 );
	setTimeout("gallery()", 6000);
}