var isNav4 = false;
var isIE4 = false;
var isNav6 = false;

var ua = window.navigator.userAgent.toLowerCase();
if(ua.indexOf('gecko') != -1)	{
	if(navigator.appName == "Netscape") {
			isNav6 = true;
	} 
} else
if(navigator.appVersion.charAt(0) >= "4") {
		if(navigator.appName == "Netscape") {
			isNav4 = true;
		} else 
		if (navigator.appVersion.indexOf("MSIE") != -1) {
			isIE4 = true;
		}
}

function severin_redirect() {
	var win1 = window.open('http://www.severin.se');
	win1.focus();
}

if (document.images) {

		forandringOn = new Image();
		forandringOn.src  = "buttons/forandring_on.gif";
		forandringOff = new Image();
		forandringOff.src  = "buttons/forandring_off.gif";
		
		smattOn = new Image();
		smattOn.src  = "buttons/smatt_on.gif";
		smattOff = new Image();
		smattOff.src  = "buttons/smatt_off.gif";
		
		kommunikationOn = new Image();
		kommunikationOn.src  = "buttons/kommunikation_on.gif";
		kommunikationOff = new Image();
		kommunikationOff.src  = "buttons/kommunikation_off.gif";
		
		visionOn = new Image();
		visionOn.src  = "buttons/vision_on.gif";
		visionOff = new Image();
		visionOff.src  = "buttons/vision_off.gif";
		
		mottoOn = new Image();
		mottoOn.src  = "buttons/motto_on.gif";
		mottoOff = new Image();
		mottoOff.src  = "buttons/motto_off.gif";
		
		notaskenOn = new Image();
		notaskenOn.src  = "buttons/notasken_on.gif";
		notaskenOff = new Image();
		notaskenOff.src  = "buttons/notasken_off.gif";
		
		personligtOn = new Image();
		personligtOn.src  = "buttons/personligt_on.gif";
		personligtOff = new Image();
		personligtOff.src  = "buttons/personligt_off.gif";
		
		kontaktOn = new Image();
		kontaktOn.src  = "buttons/kontakt_on.gif";
		kontaktOff = new Image();
		kontaktOff.src  = "buttons/kontakt_off.gif";

	}
    
function imgOn(imgName) {
  if (isNav4 && document.images) {
		 document.images[imgName].src = eval(imgName + "On.src");
  } else
	if(isIE4 && document.images) {
	document.images[imgName].src = eval(imgName + "On.src");
	} else
	if(isNav6 && document.getElementById) {
		document.images[imgName].src = eval(imgName + "On.src");
	}   
}

function imgOff(imgName) {
 if (isNav4 && document.images) {
		 document.images[imgName].src = eval(imgName + "Off.src");
  } else
	if(isIE4 && document.images) {
	document.images[imgName].src = eval(imgName + "Off.src");
	} else
	if(isNav6 && document.getElementById) {
		document.images[imgName].src = eval(imgName + "Off.src");
	}   
}