var timer = 0;
var iFade = 1;
var iOpacity = 1;
var idFade = "";


function FadeById(id) {
		idFade = id;
		timer = setInterval("FadeIn()", 200);
	}

function CancelFadeById() {
		if (timer == 0) return;
		clearInterval(timer);
		timer = 0;
	}

function FadeIn() {
		var elem = document.getElementById(idFade + iFade);
		var elem_div = document.getElementById("div_image"+ iFade);
		if (iOpacity <= 0.05) {
			iFade++;
			elem.style.visibility='hidden';
			elem_div.style.visibility='hidden';
			elem = document.getElementById(idFade + iFade);
			if (! elem) {
				iFade = 1;
				var elem = document.getElementById(idFade + iFade);
			}
			iOpacity = 1;
		}
		elem_div.style.visibility='visible';
		elem.style.visibility='visible';
		iOpacity -= 0.05;
		elem.style.opacity = iOpacity;
		elem.style.MozOpacity = iOpacity;
		elem.style.KhtmlOpacity = iOpacity;
		elem.style.filter = "alpha(opacity=" + iOpacity * 100 + ")";
	}