var counter = 0;
var t =   setTimeout("Play();", 1000);


function changeAlpha(obj, variable, textId)
{
    obj.style.filter ="alpha(opacity=" + variable + "); ";
}

function fadeOut() {
 var img = document.getElementById("imgDynamicImage")
 
   if( img != null) 
    {
    
        img.style.filter="blendTrans(duration=3)";
        // Make sure the filter is not playing.
        if (img.filters.blendTrans.status != 2) {
            img.filters.blendTrans.apply();
            img.style.visibility="hidden";
            img.filters.blendTrans.play();
        }
    }
}
function fadeIn() {
    var img = document.getElementById("imgDynamicImage")
    
    if( img != null) 
    {
          img.style.filter ="blendTrans(duration=3)";
        // Make sure the filter is not playing.
        if (img.filters.blendTrans.status != 2) {
            img.filters.blendTrans.apply();
            img.style.visibility="visible";
            img.filters.blendTrans.play();
        }
    }
}

function setDynamicImage(imgName, targetId)
{
    img = document.getElementById(targetId);
    
     if( img != null) 
    {
        img.src = imgName;
        
        if (img.style.visibility=='hidden')  
        { 
            img.style.visibility = "visible"; 
        }
    }
}

function Play()
{
       fadeOut()
     
        imgId = counter + 1;
          id = "Images/home_page/"+ imgId +".gif";                        
          
        setDynamicImage(id, "imgDynamicImage");
   
        counter ++;
        if (counter == 4)        
        {
            counter = 0;
        }
          fadeIn();

    setTimeout("Play();", 4000);
}