timerID=new Array(0,0,0,0,0,0,0,0)
opacity=new Array(100,0,0,0,0,0,0,0)
function fadeIn(id){
	if(opacity[id]<100){
		opacity[id]+=5;
		document.getElementById("sub"+id).style.opacity = opacity[id]/100;
		document.getElementById("sub"+id).style.filter = "alpha(opacity="+opacity[id]+")";
	}else{
		clearInterval(timerID[id]);
	}
}
function fadeOut(id){
	if(opacity[id]>0){
		opacity[id]-=5;
		document.getElementById("sub"+id).style.opacity = opacity[id]/100;
		document.getElementById("sub"+id).style.filter = "alpha(opacity="+opacity[id]+")";
	}else{
		clearInterval(timerID[id]);
		document.getElementById("sub"+id).style.display="none";
	}
}
function imagechange(id1,id2){
	if (timerID[id1]>0){clearInterval(timerID[id1])}
	if (timerID[id2]>0){clearInterval(timerID[id2])}
	timerID[id1]=setInterval("fadeOut("+id1+")",25)
	timerID[id2]=setInterval("fadeIn("+id2+")",25)
	document.getElementById("sub"+id2).style.display="block";
}