var imgArr = new Array(4);

imgArr[0] = "projects/iaspromotes.gif";
imgArr[1] = "projects/alternativelatininvestor.gif";
imgArr[2] = "projects/redroadmaster.gif";
imgArr[3] = "projects/cubicles.gif";
imgArr[4] = "projects/imgweb.gif";
imgArr[5] = "projects/imgweb2.gif";
imgArr[6] = "projects/imgweb3.gif";

var imgPre0 = new Image(4,4);
	imgPre0.src = imgArr[0];
var imgPre1 = new Image(4,4);
	imgPre1.src = imgArr[1];
var imgPre2 = new Image(4,4);
	imgPre2.src = imgArr[2];
var imgPre3 = new Image(4,4);
	imgPre3.src = imgArr[3];
var imgPre4 = new Image(4,4);
	imgPre4.src = imgArr[4];
var imgPre5 = new Image(4,4);
	imgPre5.src = imgArr[5];
var imgPre6 = new Image(4,4);
	imgPre6.src = imgArr[6];

var arrNode=null;
var picStayTime=3000;
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 = "sideimage";
        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];*/
    }
} 

PlayGallery();