function pop(page){
  options = 'toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=1,resizable=0,copyhistory=0,top=10,left=380,width=441,height=650';
  Window = window.open(page, 'Window', options);
  Window.focus();
}

var timeDelay = 4; // change delay time in seconds
var Pix = new Array (
"images/HomeSlideShow/rdft_home_wogan.gif",
"images/HomeSlideShow/rdft_home_ship.gif",
"images/HomeSlideShow/rdftv_home_secret.gif"
)
var Links = new Array (
    "categories.aspx?type=Features&programmeid=128&cid=3" ,
    "categories.aspx?type=Features&programmeid=128&cid=3" ,
    "categories.aspx?type=Features&programmeid=128&cid=3"
)

var howMany = Pix.length;
timeDelay *= 1000;
var PicCurrentNum = 0;
var PicCurrent = new Image();
	
function blendimage(divid, imageid, imagefile, link, millisec) {
    var speed = Math.round(millisec / 100);
    var timer = 0;
    
    //set the current image as background
    document.getElementById(divid).style.backgroundImage = "url(" + document.getElementById(imageid).src + ")";
    document.getElementById(divid).onclick = function() { document.location=link; }
    //document.getElementById(divid).onclick = function() { pop(link); }
    //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));
        timer++;
    }
}
function opacity(id, opacStart, opacEnd, millisec) {
    //speed for each frame
    var speed = Math.round(millisec / 100);
    var timer = 0;

    //determine the direction for the blending, if start and end are the same nothing happens
    if(opacStart > opacEnd) {
        for(i = opacStart; i >= opacEnd; i--) {
            setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed));
            timer++;
        }
    } else if(opacStart < opacEnd) {
        for(i = opacStart; i <= opacEnd; i++)
            {
            setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed));
            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 + ")";
} 
/*
function runAnimation()
{
	blendimage('blenddiv','blendimage', 'images/frontpage/bua.jpg',2000);
	
	blendimage('blenddiv','blendimage', 'images/frontpage/ss.jpg',2000);

}*/


function slideshow() {
	PicCurrentNum++;
	if (PicCurrentNum == howMany) {
	PicCurrentNum = 0;
	}
	blendimage('blenddiv','blendimage', Pix[PicCurrentNum],Links[PicCurrentNum],2000);
	//document["ChangingPix"].src = PicCurrent.src;
}

function startPix() {
setInterval("slideshow()", timeDelay);
}