var fadeArray = new Array("out", "out", "out", "out", "out");
	var minOpacity = 60;
    var imgArray = new Array(minOpacity,minOpacity,minOpacity,minOpacity,minOpacity);

	function setOpacity(obj, opacity){
		//99.999 to stop firefox flicker?
		opacity = (opacity == 100)?99.999:opacity;
		// IE/Win
		obj.style.filter = "alpha(opacity:"+opacity+")";
		// Safari<1.2, Konqueror
		obj.style.KHTMLOpacity = opacity/100;
		// Older Mozilla and Firefox
	  	obj.style.MozOpacity = opacity/100;
	  	// Safari 1.2, newer Firefox and Mozilla, CSS3
	  	obj.style.opacity = opacity/100;
	}

	function fadeOut(imgId, objId){
		fadeArray[imgId] = "out";
        var interval = window.setInterval(function(){
			if(fadeArray[imgId]=="out"){
				if(imgArray[imgId]>minOpacity){
					imgArray[imgId]-=1;
					setOpacity(objId, imgArray[imgId]);
				}else{
					clearInterval(interval);
				}
			}else{
				clearInterval(interval);
			}
		},10);
	}

    function fadeIn(imgId, objId){
		fadeArray[imgId] = "in";
		var interval = window.setInterval(function(){
			if(fadeArray[imgId]=="in"){
				if(imgArray[imgId]<100){
					imgArray[imgId]+=5;
					setOpacity(objId, imgArray[imgId]);
				}else{
					clearInterval(interval);
				}
			}else{
				clearInterval(interval);
			}
		},10);
	}