var OverlayInfo=new Class({Implements:[Options],options:{},initialize:function(a,b){if(!$(a))return false;this.setOptions(b);this.imageCont=$$(this.options.fixPosition);this.imageDesc=$$(this.options.addOverlay);this.start()},start:function(){$chk(this.options.fixPosition)&&this.reposition();$chk(this.options.addOverlay)&&this.addText()},reposition:function(){this.imageCont.each(function(a){var b=(this.options.fixBy-a.getSize().y)/2;a.setStyle("margin-top",b+"px")},this)},addText:function(){this.imageDesc.each(function(a){a.set({styles:{opacity:0,
visibility:"visible"},tween:{duration:200}});a.getParent().addEvents({mouseenter:function(){a.fade(0.8)},mouseleave:function(){a.fade(0)}})})}});