browserName = navigator.appName;          
browserVer = parseInt(navigator.appVersion); 
if ((browserName == "Netscape" && browserVer >= 3) || (browserVer > 3)) version = "n3";
            else version = "n2";
            
            if (version == "n3") {
            Aon = new Image();
            Aon.src = "image/mnsl_a21.jpg";                 
            Bon = new Image();
            Bon.src = "image/mnsl_a31.jpg";                 
            Con = new Image();
            Con.src = "image/mnsl_a41.jpg";                 
            Don = new Image();
            Don.src = "image/mnsl_a51.jpg";                 
            Eon = new Image();
            Eon.src = "image/mnsl_a61.jpg";                 
            Fon = new Image();
            Fon.src = "image/mnsl_a71.jpg";                 
            Gon = new Image();
            Gon.src = "image/mnsl_a81.jpg";                        
            Hon = new Image();
            Hon.src = "image/mnsl_a91.jpg";                
            Ion = new Image();
            Ion.src = "image/mnsl_a11.jpg";    
                        
			

            Aoff = new Image();
            Aoff.src = "image/mnsl_a20.jpg";                 
            Boff = new Image();
            Boff.src = "image/mnsl_a30.jpg";                 
            Coff = new Image();
            Coff.src = "image/mnsl_a40.jpg";                 
            Doff = new Image();
            Doff.src = "image/mnsl_a50.jpg";                 
            Eoff = new Image();
            Eoff.src = "image/mnsl_a60.jpg";                 
            Foff = new Image();
            Foff.src = "image/mnsl_a70.jpg";                 
            Goff = new Image();
            Goff.src = "image/mnsl_a80.jpg";                        
            Hoff = new Image();
            Hoff.src = "image/mnsl_a90.jpg";              
            Ioff = new Image();
            Ioff.src = "image/mnsl_a10.jpg";              
            
               
			}

function select(imgName) {
            if (version == "n3") {             
            document.images['A'].src = Aoff.src;    
            document.images['B'].src = Boff.src;    
            document.images['C'].src = Coff.src;    
            document.images['D'].src = Doff.src;    
            document.images['E'].src = Eoff.src;    
            document.images['F'].src = Foff.src;    
            document.images['G'].src = Goff.src;    
            document.images['H'].src = Hoff.src;  
            document.images['I'].src = Ioff.src; 

            document.images[imgName].src = eval(imgName + "on.src");
			}
    }

    function deselect(imgName) {
            if (version == "n3") {                 
            document.images[imgName].src = eval(imgName + "off.src");
			}
    }