<!--
// zmiana przycisków

app = navigator.appName;
ver = navigator.appVersion;
mac = ver.indexOf("Macintosh") > 0;
win = ver.indexOf("Win") > 0;
vnum = parseFloat(ver);
                
        wiv = (((app == "Netscape") && (vnum >= 4 )) || ((mac) && (app == "Microsoft Internet Explorer") && (vnum >= 3.01 )) || ((win) && (app == "Microsoft Internet Explorer") && (vnum >= 4 ))) 


        if (wiv) {
                zgaszone = new MakeImageArray(7)
                zapalone = new MakeImageArray(7)

            zgaszone[2].src = "about.gif"             
            zgaszone[3].src = "news.gif"
            zgaszone[4].src = "products.gif"
		zgaszone[5].src = "download.gif"                
		zgaszone[6].src = "solutions.gif" 
		zgaszone[7].src = "contact.gif" 


            zapalone[2].src = "about1.gif"
            zapalone[3].src = "news1.gif"
            zapalone[4].src = "products1.gif"
            zapalone[5].src = "download1.gif"
            zapalone[6].src = "solutions1.gif"
            zapalone[7].src = "contact1.gif"

                }
                
                
          function MakeImageArray(n) 
                      {
              this.length = n
              for (var i = 0; i<=n; i++) 
                              {
                      this[i] = new Image()
                      }
              return this
             
                      }
                      

function mysznad(num) 
        {
         if (wiv) 
             {
              if ((zapalone[num].src != "") ) 
                   {
                    document.images[num].src = zapalone[num].src;
                    }
              }
         }
            

function myszza(num) 
          {
           if (wiv) 
               {
                if ((zgaszone[num].src != "")) 
                    {
                     document.images[num].src = zgaszone[num].src;
                    }
                }                   
           }
                
// sprawdzenie formularza

function check(form) { 
var note; 
note = "";
if (form.imie.value.length < 3) 
 { note = "Fill out missing data. "; 
 form.imie.focus()
 alert(note); 
 return false; }

if (form.nazwisko.value.length < 3) 
 { note = "Fill out missing data. "; 
 form.nazwisko.focus()
 alert(note); 
 return false; }
if (form.email.value.indexOf("@") == -1 || form.email.value.indexOf(".") == -1 ) 
 { note = "Enter correct email "; 
 form.email.focus()
 alert(note); 
 return false; }

if (form.pytanie.value.length < 3) 
 { note = "Enter the question. "; 
 form.pytanie.focus()
 alert(note); 
 return false; }

return true; }

// nowe okno 

function OpenWin(www) {
     msg=open(www,"DisplayWindow","toolbar=no,directories=no,menubar=no,status=no,scrollbars=yes,width=460,height=350");
     }

// kontakt - przedstawiciele

browserName = navigator.appName;
browserVer = parseInt(navigator.appVersion); 

if (browserName == "Netscape" && browserVer >= 3) version="true";
else if (browserName == "Microsoft Internet Explorer" && browserVer >= 4) version="true";
else version="false"; 

browserName = navigator.appName;
browserVer = parseInt(navigator.appVersion); 

if (browserName == "Netscape" && browserVer >= 4) ver=1;
else if (browserName == "Microsoft Internet Explorer" && browserVer >= 4) ver=2;
else ver =0; 

function pokaz(blok) {
  
  
  if(ver == 2)
  blok.style.visibility = 'visible'; 
  
  if (ver == 1)
  blok.style.visibility = 'show'; 
  

}

function ukryj(blok)
{
  if(ver == 2)
  blok.style.visibility = 'hidden'; 
  
  if (ver == 1)
  blok.style.visibility = 'hide';  
}


//-->