function animate(alfa, nx){
 if ( nx == 1) {
  pictN = pictN-1;
  lastN = pictN;
  if (pictN ==0){
 	pictN=items.length;
  }
  nextN = pictN-1;
 }
  last = items[lastN];
  next = items[nextN];
 last.style.opacity= alfa/100;
 last.style.filter= "progid:DXImageTransform.Microsoft.Alpha(opacity="+alfa+")";
 last.style.filter= "alpha(opacity="+alfa+")";
 if ( nextN>lastN ) {
 	next.style.opacity= 1-alfa/100;
 	next.style.filter= "progid:DXImageTransform.Microsoft.Alpha(opacity="+100-alfa+")";
 	next.style.filter= "alpha(opacity="+100-alfa+")";
 }
 else if ( nx == 1) {
  next.style.opacity= 1;
  next.style.filter= "progid:DXImageTransform.Microsoft.Alpha(opacity=100)";
  next.style.filter= "alpha(opacity=100)";
 }
if ((alfa-step)>0){
   setTimeout("animate("+(alfa-step)+","+0+");",speed);
 }else{
  last.style.opacity= 0;
  last.style.filter= "progid:DXImageTransform.Microsoft.Alpha(opacity=0)";
  last.style.filter= "alpha(opacity=0)";
  if (pictN%2 == 0){
	setTimeout( "slideSwitch()", 2300 );
  }
  else {
	setTimeout( "slideSwitch()", 1 );
  }
 }
}
function slideSwitch(){
 items = div.getElementsByTagName('img');
 if (items.length>0){
  animate(100,1);
 }
}

div = document.getElementById('slideshow');
var items = new Array();
for(c=i=0;i<div.childNodes.length;i++){
 if (div.childNodes[i].tagName=="IMG"){
 	items[c] = div.childNodes[i];
   	c++;
 }
}

function IESlideShow(){
	img = document.getElementById('img1');
    img.filters.item(0).Apply();
    img.src='/gal/main/'+images[(n=(n==PhCount?0:n+1))];
    img.filters.item(0).Play();
	img.style.visibility="";
    setTimeout("IESlideShow()",3000);
}

function go_slide() {
	 div = document.getElementById('slideshow');
 	if (div.style.visibility!="visible"){
      div.style.visibility = "visible";
 	}
	if (isIE)
    		setTimeout("IESlideShow()",1);
	else
		setTimeout( "slideSwitch();",3000 );
}

var ua = navigator.userAgent.toLowerCase();
var images=['WedPort_001.jpg','WedPort_002.jpg','WedPort_003.jpg','WedPort_004.jpg','WedPort_004_1.jpg','WedPort_004_2.jpg','WedPort_005.jpg','WedPort_005_1.jpg','WedPort_006.jpg','WedPort_007.jpg','WedPort_008.jpg','WedPort_009.jpg','WedPort_012.jpg','WedPort_017.jpg','WedPort_019.jpg'];
var isIE = (ua.indexOf("msie") != -1 && ua.indexOf("opera") == -1);
var isChrome = (ua.indexOf("chrome") != -1);

var n = -1;
if (isIE) {
	PhCount = images.length-1;
}
else if (isChrome) {
	var speed = 25;
	var step = 15;
	var pictN = items.length;
	var lastN = 0;
	var nextN = 0;
}
else {
	var speed = 5;
	var step = 40;
	var pictN = items.length;
	var lastN = 0;
	var nextN = 0;
}