opa=0;
opacnt=1;
timer=35;

function FadeInstr() {
	fade_inId = "fade_in";
	MyImg = document.getElementById(fade_inId);
	MyImg.style.visibility = "visible";
	FadeIn(fade_inId,opa);
}
function FadeIn(fade_inId,opa) {
	if (opa <= 100) {
		document.getElementById(fade_inId).style.filter = "alpha(opacity:"+opa+")";
		document.getElementById(fade_inId).style.opacity = opa/100;
		opa += opacnt;
		setTimeout("FadeIn('"+fade_inId+"',"+opa+")", timer);
		}
}