function segbox ( box, offset, state ){
			Element.setStyle( box, {backgroundPosition: offset + ' !important'} ); 
			if(state == 'over'){
				  new Effect.Opacity(box, {duration:0.6, from:0.15, to:1.0});
			}else{
				  //new Effect.Opacity(box, {duration:0.1, from:0.7, to:1.0});
			}
		}