/* original code taken here : http://www.switchonthecode.com/tutorials/javascript-tutorial-simple-fade-animation */
var TimeToFade = 1000.0;
var fadeSpeed=0.04, fadeDelay=4000, vFade = 1, fadeTimer=null;
function fadeOpac(o, v){
	o.style.opacity = v;
	o.style.filter = 'alpha(opacity = ' + (v*100) + ')';
}
function fade(i, nb, sens){
	if (sens==1){ vFade+=fadeSpeed; if (vFade>1) vFade=1; }
	else{ vFade-=fadeSpeed; if (vFade<0) vFade=0; }
	var o = document.getElementById("d"+i);
	if(o == null) return;
	fadeOpac(o, vFade);
	var i2=i+1; if (i2>nb) i2=1;
	o = document.getElementById("d"+i2);
	// var o = document.getElementById("dbg"); o.innerHTML="i="+i+" sens="+sens+" vFade="+vFade+" i2="+i2+" vFade="+(1-vFade);
	if(o == null) return;
	fadeOpac(o, 1-vFade);
	if (vFade==0 || vFade==1){
		vFade=1-vFade;
		allum(i2);
		fadeTimer=setTimeout("fade(" + i2 + "," + nb + "," + (sens) + ")", 50+fadeDelay);
	}
	else{
		fadeTimer=setTimeout("fade(" + i + "," + nb + "," + sens + ")", 50);
	}
}
function direc(a){
	if (fadeTimer!=null) clearTimeout(fadeTimer);
	for(var i=1;i<=nbImages;i++) if (i!=a) fadeOpac(document.getElementById("d"+i), 0);
	fadeOpac(document.getElementById("d"+a), 1);
	allum(a); vFade=1; setTimeout("fade(" + a + ", " + nbImages + ", -1);", 50+fadeDelay);
}
/* other stuff */
function zoom(i){
	var a=window.open("/zoom.php?pic="+i,"izoom","width=512,height=512,riszable=1");
	a.focus();
}