var bMouseOver = true;
	 
	 browserName = navigator.appName;
	 browserVersion = parseInt (navigator.appVersion);
	 if (browserName == "Microsoft Internet Explorer"  && browserVersion < 4)
	 {
	 	bMouseOver = false;
	 }

<!--
		if (bMouseOver)
		{		
    	   {
          	reserverenon = new Image();
			reserverenon.src = "img/btn_reserveren_on.jpg";
			reserverenoff = new Image();
			reserverenoff.src = "img/btn_reserveren.jpg";
			
			overonson = new Image();
			overonson.src = "img/btn_overons_on.jpg";
			overonsoff = new Image();
			overonsoff.src = "img/btn_overons.jpg";
			
			tarievenon = new Image();
			tarievenon.src = "img/btn_tarieven_on.jpg";
			tarievenoff = new Image();
			tarievenoff.src = "img/btn_tarieven.jpg";
			
			vacatureson = new Image();
			vacatureson.src = "img/btn_vacatures_on.jpg";
			vacaturesoff = new Image();
			vacaturesoff.src = "img/btn_vacatures.jpg";
			
			nieuwson = new Image();
			nieuwson.src = "img/btnnieuws_on.jpg";
			nieuwsoff = new Image();
			nieuwsoff.src = "img/btnnieuws.jpg";
			
			contacton = new Image();
			contacton.src = "img/btn_contact_on.jpg";
			contactoff = new Image();
			contactoff.src = "img/btn_contact.jpg";
			
			fotoson = new Image();
			fotoson.src = "img/btnfotos_on.jpg";
			fotosoff = new Image();
			fotosoff.src = "img/btnfotos.jpg";
			
			avon = new Image();
			avon.src = "img/btn_av_on.jpg";
			avoff = new Image();
			avoff.src = "img/btn_av.jpg";
			

			   }
		}

	function  img_act(imgName)
    	    {
				if (bMouseOver)
				{		
		        	imgOn = eval(imgName + "on.src");
    	    		document [imgName].src = imgOn;
				}
    	    }
 	
	function img_inact(imgName)
   	  
    	    {
				if (bMouseOver)
				{
		        	imgOff = eval(imgName + "off.src");
        			document [imgName].src = imgOff;
				}
    	    }
//-->