var endImage=Array("none", "photo1.jpg", "photo2.jpg", "photo3.jpg", "photo4.jpg");
var i = picnum+1;
function doTrans() {
        if(i > pics) { i=1 }
        photo.filters[0].apply();
//        oImg.src = endImage[i];
		document.getElementById("photo").style.background = 'url(images/'+endImage[i]+')';
        photo.filters[0].play();
		i++;
}

var j;
for(j=1; j<=pics; j++ ) {
    eval( "photo"+j+" = new Image();");
    eval( "photo"+j+".src=\"images\photo"+j+".jpg\"" );
}