//change the opacity for different browsers

function changeOpac(opacity, id) {
    var object = document.getElementById(id).style;
    // Safari 1.2, newer Firefox and Mozilla, CSS3
    object.opacity = (opacity / 100);
    // Older Mozilla and Firefox
    object.MozOpacity = (opacity / 100);
    // Safari<1.2, Konqueror
    object.KhtmlOpacity = (opacity / 100);
    // IE/Win
    object.filter = "alpha(opacity:"+opacity+")";
}

function blendimage(imageid, millisec){
  var speed = Math.round(millisec / 10);
  var timer = 0;

  //fade in image
  for(i = 10; i <= 100; i+=5) {
    setTimeout("changeOpac(" + i + ",'" + imageid + "')",(timer * speed));
    timer++;
  }
}



var t;

function select_banner(id, stop_slideshow){

      n1=banner_id.length;
      if(id==n1) id=0;

      xmlHttp=GetXmlHttpObject()

      if (xmlHttp==null)
      {
          alert ("Browser does not support HTTP Request")
          return
      }

      var url="banere/slideshow_ajax.php"
      url=url+"?pozitie="+id+'&stop_slideshow='+stop_slideshow;
      //alert(url);
      document.getElementById('id_slideshow1').style.display='none';

      xmlHttp.onreadystatechange=stateChanged_banere
      xmlHttp.open("GET",url,true)
      xmlHttp.send(null)

      id=id+1
      if(stop_slideshow==0) {
        t= setTimeout("select_banner("+id+","+stop_slideshow+")",3000);
      }
      else{
        clearTimeout(t);
      }

}

function stateChanged_banere()
{

   if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete") {
       document.getElementById("id_slideshow_ajax1").innerHTML=xmlHttp.responseText
   }
}

function GetXmlHttpObject()
{
var objXMLHttp=null
if (window.XMLHttpRequest)
{
    objXMLHttp=new XMLHttpRequest()
}
else if (window.ActiveXObject)
{
     objXMLHttp=new ActiveXObject("Microsoft.XMLHTTP")
}
return objXMLHttp
}