var arrNode=null;
var picStayTime=5000;
var linkid = "centerBannLink";
var timer = null;
var uptimer = null;
var downtimer = null;
var timerset = false;

function setFrame(num)
{
    arrNode = num;
    timerset = true;

    if(timer != null)
        clearTimeout(timer);
    if(uptimer != null)
        clearTimeout(uptimer);
    if(downtimer != null)
        clearTimeout(downtimer);

    PlayGallery();
}

function PlayGallery()
{
    if(imgArr.length>1)
    {
        if(arrNode == null)
            arrNode=1;
            
        var imageid = "blendimage";
        var millisec = 1000;
        var speed = Math.round(millisec / 100); 

        if(imgArr[arrNode])
        {
            uptimer = setTimeout("blendimage('"+imageid+"','"+ imgArr[arrNode]+"',"+ millisec+")", (50 * speed));
        }
    }
    
}

function blendimage(imageid, imagefile, millisec) { 
    var speed = Math.round(millisec / 100); 
    var timer = 0; 
    
    for(i = 99; i > 0; i--) { 
        downtimer = setTimeout("changeOpac(" + i + ",'" + imageid + "')",(timer * speed)); 
        timer++; 
        if(timerset)
        {
            timerset = false;
            break;
        }
    }
    setTimeout("blendimageUp('"+imageid+"','"+ imagefile+"',"+ millisec+")", (timer * speed));
} 

function blendimageUp(imageid, imagefile, millisec) { 
    var speed = Math.round(millisec / 100); 
    var timer = 0; 

    //make image transparent 
    changeOpac(0, imageid); 
     
    //make new image 
    document.getElementById(imageid).src = imagefile; 

    //fade in image 
    for(i = 0; i <= 100; i++) { 
        setTimeout("changeOpac(" + i + ",'" + imageid + "')",(timer * speed)); 
        if(timerset)
        {
            timerset = false;
            break;
        }
        timer++; 
    } 
} 

//change the opacity for different browsers 
function changeOpac(opacity, id) { 
    var object = document.getElementById(id).style; 
    object.opacity = (opacity / 100); 
    object.MozOpacity = (opacity / 100); 
    object.KhtmlOpacity = (opacity / 100); 
    object.filter = "alpha(opacity=" + opacity + ")"; 
    //document.getElementById("te").innerHTML += opacity+"<br>";
    if(opacity == 100)
    {
        if(arrNode == (imgArr.length-1))
            arrNode=0;
        else
            arrNode++;
            
        timer = setTimeout("PlayGallery()", picStayTime);
    }
    else if(opacity == 0)
    {
		/*
        var btnIndex = arrNode+1;
        if(btnIndex<=1)
            btnIndex = 1;

        for(cnt=1;cnt<=imgArr.length;cnt++)
            document.getElementById("Image"+cnt).src = "images/"+cnt+".gif";

        document.getElementById("Image"+btnIndex).src = "images/"+btnIndex+"hover.gif";
        document.getElementById(linkid).href = anchorArr[arrNode];*/
    }
} 

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}