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/mnv_nw1.gif";                 
            Bon = new Image();
            Bon.src = "image/mnv_com1.gif";                 
            Con = new Image();
            Con.src = "image/mnv_pd1.gif";                 
            Don = new Image();
            Don.src = "image/mnv_tch1.gif";                 
            Eon = new Image();
            Eon.src = "image/mnv_tm1.gif";                 
            Fon = new Image();
            Fon.src = "image/mnv_dis1.gif";                 
            Gon = new Image();
            Gon.src = "image/mnv_spn1.gif";                 
            Ion = new Image();
            Ion.src = "image/mnv_tst1.gif";                 
            Jon = new Image();
            Jon.src = "image/mnv_frm1.gif";                       
            Kon = new Image();
            Kon.src = "image/mnv_des1.gif";                 
            Lon = new Image();
            Lon.src = "image/mnv_cnt1.gif";                 
            Mon = new Image();
            Mon.src = "image/mnv_map1.gif";                      
            Non = new Image();
            Non.src = "image/mnv_hm1.gif";                       
            Oon = new Image();
            Oon.src = "image/mnv_ktd1.gif";   
                        
			

            Aoff = new Image();
            Aoff.src = "image/mnv_nw0.gif";                 
            Boff = new Image();
            Boff.src = "image/mnv_com0.gif";                 
            Coff = new Image();
            Coff.src = "image/mnv_pd0.gif";                 
            Doff = new Image();
            Doff.src = "image/mnv_tch0.gif";                 
            Eoff = new Image();
            Eoff.src = "image/mnv_tm0.gif";                 
            Foff = new Image();
            Foff.src = "image/mnv_dis0.gif";                 
            Goff = new Image();
            Goff.src = "image/mnv_spn0.gif";                  
            Ioff = new Image();
            Ioff.src = "image/mnv_tst0.gif";                 
            Joff = new Image();
            Joff.src = "image/mnv_frm0.gif";                    
            Koff = new Image();
            Koff.src = "image/mnv_des0.gif";                 
            Loff = new Image();
            Loff.src = "image/mnv_cnt0.gif";                 
            Moff = new Image();
            Moff.src = "image/mnv_map0.gif";                  
            Noff = new Image();
            Noff.src = "image/mnv_hm0.gif";                   
            Ooff = new Image();
            Ooff.src = "image/mnv_ktd0.gif";             
            
               
			}

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['I'].src = Ioff.src;    
            document.images['J'].src = Joff.src;
            document.images['K'].src = Koff.src;    
            document.images['L'].src = Loff.src;    
            document.images['M'].src = Moff.src;    
            document.images['N'].src = Noff.src;     
            document.images['O'].src = Ooff.src;  

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

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