.slider:hover .slideswitch {
	-ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=50)";
	filter: alpha(opacity=1);
	-moz-opacity: 1.0;
	-khtml-opacity: 1.0;
	opacity: 1.0;		
}

.slider.next {
    z-index: 2;
	visibility: visible;
}

.slider.aktiv {
    z-index: 3;
	position: relative;
	visibility: visible;
}

.slideswitch {
	height: 50px;
	width: 50px;
	position: absolute;
	top: calc(50% - 20px);
	background-repeat: no-repeat;
	background-position: center center;
	-ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=50)";
	filter: alpha(opacity=0);
	-moz-opacity: 0.0;
	-khtml-opacity: 0.0;
	opacity: 0.0;
	transition: all 0.0s ease-in-out;
	z-index: 500;
}

.slideswitch:hover {
	cursor: pointer;
	background-color: rgba(0,0,0,0.5);
}

#slideswitchleft {
	left:25px;
	background-image: url(slideshowarrowleft.png);
}
	
#slideswitchright {
	right:30px;
	background-image: url(slideshowarrowright.png);
}