function changeImages() {
  if (document.images) {
    for (var i=0; i< changeImages.arguments.length; i+=2) {
      document.getElementById(changeImages.arguments[i]).src = otherImage[changeImages.arguments[i+1]].src;
    }
  }
}
	
	
var win= null;
nereidFadeObjects = new Object();
nereidFadeTimers = new Object();


	
function nereidFade(object, destOp, rate, delta)
{
	if (!document.all)
	return
	    if (object != "[object]"){  
        	setTimeout("nereidFade("+object+","+destOp+","+rate+","+delta+")",0);
	        return;
	    }
	        
	    clearTimeout(nereidFadeTimers[object.sourceIndex]);
    
	    diff = destOp-object.filters.alpha.opacity;
	    direction = 1;
	    if (object.filters.alpha.opacity > destOp){
        	direction = -1;
	    }
	    delta=Math.min(direction*diff,delta);
	    object.filters.alpha.opacity+=direction*delta;

	    if (object.filters.alpha.opacity != destOp){
	        nereidFadeObjects[object.sourceIndex]=object;
        	nereidFadeTimers[object.sourceIndex]=setTimeout("nereidFade(nereidFadeObjects["+object.sourceIndex+"],"+destOp+","+rate+","+delta+")",rate);
	    }
}