var Ajax;
if (Ajax && (Ajax != null)) {
	Ajax.Responders.register({
	  onCreate: function() {
        if($('spinner') && Ajax.activeRequestCount>0)
          Effect.Appear('spinner',{duration:0.5,queue:'end'});
	  },
	  onComplete: function() {
        if($('spinner') && Ajax.activeRequestCount==0)
          Effect.Fade('spinner',{duration:0.5,queue:'end'});
	  }
	});
}

function alignBars() {
	var a = [$$('.sidebar')[0], $$('.content')[0]]
	if (a[0].getHeight() > a[1].getHeight()) {
		a = [a[1],a[0]];
	}
	a[0].clonePosition(a[1], {setLeft:false,
        setTop:false,
        setWidth:false,
        setHeight:true})
}