var rand1 = 0;
var useRand = 0;
advertimages = new Array;

//Advert images
advertimages[1] = new Image();
advertimages[1].src = "images/3Balls_1.gif";

advertimages[2] = new Image();
advertimages[2].src = "images/3Balls_2.gif";

advertimages[3] = new Image();
advertimages[3].src = "images/3Balls_3.gif";

advertimages[4] = new Image();
advertimages[4].src = "images/3Balls_4.gif";

advertimages[5] = new Image();
advertimages[5].src = "images/3Balls_5.gif";

advertimages[6] = new Image();
advertimages[6].src = "images/3Balls_6.gif";

advertimages[7] = new Image();
advertimages[7].src = "images/3Balls_7.gif";

function swapPic(loc) {
var imgnum = advertimages.length - 1;
do {
var randnum = Math.random();
rand1 = Math.round((imgnum - 1) * randnum) + 1;
} while (rand1 == useRand);
useRand = rand1;

if (document.all) {


document.images.advert.style.filter="blendTrans(duration=2)";
document.images.advert.style.filter="blendTrans(duration=crossFadeDuration)";
document.images.advert.filters.blendTrans.Apply();
}


document.images.advert.src = advertimages[useRand].src;



if (document.all) {

document.images.advert.filters.blendTrans.Play();
}
}

nereidFadeObjects = new Object();
nereidFadeTimers = new Object();

/* object - image to be faded (actual object, not name);
 * destop - destination transparency level (ie 80, for mostly solid)
 * rate   - time in milliseconds between trasparency changes (best under 100)
 * delta  - amount of change each time (ie 5, for 5% change in transparency)
 */

function nereidFade(object, destOp, rate, delta){
if (!document.all)
return
    if (object != "[object]"){  //do this so I can take a string too
        setTimeout("nereidFade("+object+","+destOp+","+rate+","+delta+")",0);
        return;
    }
        
    clearTimeout(nereidFadeTimers[object.sourceIndex]);
    
    diff = destOp-object.filters.alpha.opacity;
    direction = 1;
    if (object.filters.alpha.opacity > destOp){
        direction = -1;
    }
    delta=Math.min(direction*diff,delta);
    object.filters.alpha.opacity+=direction*delta;

    if (object.filters.alpha.opacity != destOp){
        nereidFadeObjects[object.sourceIndex]=object;
        nereidFadeTimers[object.sourceIndex]=setTimeout("nereidFade(nereidFadeObjects["+object.sourceIndex+"],"+destOp+","+rate+","+delta+")",rate);
    }
}