function glow( elm ) {

	change_opacity( elm, 1 );
	
} //end function

function fade( elm ) {

	change_opacity( elm, 0.8 );

} //end function

function change_opacity( elm, o ) {

	elm.style.opacity = o;
	elm.style.MozOpacity = o;
	elm.style.KhtmlOpacity = o;
	elm.style.filter = "Alpha(Opacity=" + ( o * 100 ) + ")";

} //end function