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 if (browser_version >= 4.0) 
        {
        roll = 'true';
        }
else
        {
        roll = 'false';
        }

function msover(img,ref)
        {
                if (roll == 'true')
                        {
                        document.images[img].src = ref;
                        }
        }
        
function msout(img,ref)
        {
                if (roll == 'true')
                        {
                        document.images[img].src = ref;
                        }
        }       
// end hiding --->