if (o.addEventListener){
			o.addEventListener('DOMControlValueChanged', updateSlider, false); // Presto
			o.addEventListener('input', updateSlider, false); // Gekko
			o.addEventListener('DOMCharacterDataModified', updateSlider, false); // WebKit
			o.addEventListener('change', updateSlider, false); // Graceful degradation
		} else if (o.attachEvent){
			o.attachEvent('onpropertychange', function(e){
				if(e.propertyName.toLowerCase() == "value"){
					updateSlider(e);
				};
			}); // Trident
			o.attachEvent('onchange', updateSlider); //Trident degradation
		};