browser_name = navigator.appName;
browser_version = parseFloat(navigator.appVersion); 

if (browser_name == "Netscape" && browser_version < 2.0)
        {
        roll = 'false';
        }
else if (browser_name == "Netscape" && browser_version == 2.0)
        {
        roll = 'false';
        }
else if (browser_name == "Netscape" && browser_version >= 3.0)
        {
        roll = 'true';
        }
else if (browser_name == "Microsoft Internet Explorer" && browser_version <= 2.0)
        {
        roll = 'false';
        }
else if (browser_name == "Microsoft Internet Explorer" && browser_version >= 3.0)
        {
        roll = 'true';
        }
else
        {
        roll = 'false';
        }
//----------------------------------------------------------------------------------------------

function msover(img1,ref1,img2,ref2,img3,ref3)
        {
                if (roll == 'true')
                        {
                        document.images[img1].src = ref1;
                        document.images[img2].src = ref2;
                        }
        }
        
function msout(img1,ref1,img2,ref2,img3,ref3)
        {
                if (roll == 'true')
                        {
                        document.images[img1].src = ref1;
                        document.images[img2].src = ref2;
                        }
        }
        
        function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

MM_preloadImages('images/knoppen/home.jpg','images/knoppen/home1.jpg','images/knoppen/home2.jpg','images/knoppen/opening1.jpg','images/opening1a.jpg');
MM_preloadImages('images/knoppen/hoe.jpg','images/knoppen/hoe1.jpg','images/knoppen/hoe2.jpg','images/hoe.jpg','images/hoe1.jpg');
MM_preloadImages('images/knoppen/wie.jpg','images/knoppen/wie1.jpg','images/knoppen/wie2.jpg','images/wie.jpg','images/wie1.jpg');
MM_preloadImages('images/knoppen/wat.jpg','images/knoppen/wat1.jpg','images/knoppen/wat2.jpg','images/wat.jpg','images/wat1.jpg');
MM_preloadImages('images/knoppen/waar.jpg','images/knoppen/waar1.jpg','images/knoppen/waar2.jpg','images/waar.jpg','images/waar1.jpg');
MM_preloadImages('images/knoppen/contact.jpg','images/knoppen/contact1.jpg','images/knoppen/contact2.jpg','images/contact.jpg','images/contact1.jpg');