function popWindow() 
{
	// new url,winname, width, height
	args=popWindow.arguments;
	sizestr='width='+args[2];
	sizestr+=',height='+args[3];
	midx=(screen.width - args[2]) / 2;
	midy=(screen.height - args[3]) / 2;
	sizestr+=',left='+midx;
	sizestr+=',top='+midy;
	popupWin = window.open(args[0], args[1], sizestr)
}

nereidFadeObjects = new Object();

nereidFadeTimers = new Object();
			
function nereidFade(object, destOp, rate, delta){
	if (!document.all)
		return
	if (object != "[object]"){  //do this so I can take a string too
		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);
	}
}