function obj_filter(obj,o)

{

	if(navigator.appVersion.indexOf("IE")>0)

	{

		obj.style.filter="progid:DXImageTransform.Microsoft.Alpha(opacity="+o+")";

		if(o==100)

			obj.style.filter="";

	}

	else

	{

		o=o/100;

		obj.style.MozOpacity=o;

		obj.style.Opacity=o;

	}

}