Element.implement({  
    flash: function(to,from,reps,prop,dur) {  
          
        //defaults  
        if(!reps) { reps = 1; }  
        if(!prop) { prop = 'background-color'; }  
        if(!dur) { dur = 250; }  
          
        //create effect  
        var effect = new Fx.Tween(this, {  
                duration: dur,  
                link: 'chain',
				onChainComplete: function() {
					
					if((x-1) == reps)
					{	$$('.highlight').setStyle('background-color','#FFFFFF');	}
				}
            })  
          
        //do it!  
        for(x = 1; x <= reps; x++)  
        {  
            effect.start(prop,from,to).start(prop,to,from);  
        }  
		
    }  
});