function fadeOut(divID, time) {
  var speed = Math.round(time / 100);
  var frame = 0;  
  for(fade = 100; fade > 0; fade--) { 
    setTimeout("setOpacity('"+divID+"', "+fade+")", (speed * frame));
    frame++;
  }
}
function fadeIn(divID, time) {
  var speed = Math.round(time / 100);
  var frame = 0;  
  for(fade = 0; fade < 100; fade++) { 
    setTimeout("setOpacity('"+divID+"', "+fade+")", (speed * frame));
    frame++;
  }
}
function setOpacity(id, opacity) {
  var element = document.getElementById(id);

    element.style.filter = "alpha(opacity=" + opacity + ")";
    element.style.opacity = opacity / 100;
    element.style.MozOpacity = opacity / 100;
/*
  if(document.all)
    element.style.filter = "alpha(opacity=" + opacity + ")";
  else
    element.style.opacity = opacity / 100;*/
}


function opacity(id, opacStart, opacEnd, millisec) {
	//speed for each frame
	var speed = Math.round(millisec / 100);
	var timer = 0;

	//determine the direction for the blending, if start and end are the same nothing happens
	if(opacStart > opacEnd) {
		for(i = opacStart; i >= opacEnd; i--) {
			setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed));
			timer++;
		}
	} else if(opacStart < opacEnd) {
		for(i = opacStart; i <= opacEnd; i++)
			{
			setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed));
			timer++;
		}
	}
}


function changeOpac(opacity, id) {
	var object = document.getElementById(id).style; 
	object.opacity = (opacity / 100);
	object.MozOpacity = (opacity / 100);
	object.KhtmlOpacity = (opacity / 100);
	object.filter = "alpha(opacity=" + opacity + ")";
}