var is;
   var trouble;

   // Channels für oben
   var mnav01On, mnav01Off='';
   var mnav02On, mnav02Off='';
   var mnav03On, mnav03Off='';
   var mnav04On, mnav04Off='';
   var mnav05On, mnav05Off='';

   function detect ()
   {
        var agt = navigator.userAgent.toLowerCase()

        this.major = parseInt(navigator.appVersion)
        this.minor = parseFloat(navigator.appVersion)
        this.nav  = ((agt.indexOf('mozilla')!=-1) && ((agt.indexOf('spoofer')==-1) && (agt.indexOf('compatible') == -1)))
        this.nav2 = (this.nav && (this.major == 2))
        this.nav3 = (this.nav && (this.major == 3))
        this.nav4 = (this.nav && (this.major == 4))
        this.nav4up = this.nav && (this.major >= 4)
        this.navonly = (this.nav && (agt.indexOf(";nav") != -1))

        this.ie   = (agt.indexOf("msie") != -1)
        this.ie3  = (this.ie && (this.major == 2))
        this.ie4  = (this.ie && (this.major == 4))
        this.ie4up  = this.ie  && (this.major >= 4)

        this.mac    = (agt.indexOf("mac")!=-1)
   }
   // Swap pic
   function change(position,img)
   {
        if (trouble == 'false')
        {
           document.images[position].src = img.src;
           }
   }

   function init()
   {
   is = new detect();

   // Setting minimum configuration standard
   if (is.nav3 || is.nav4 || is.nav4up || is.ie4 || is.ie4up) trouble = 'false';
   else trouble = 'true';


   if (trouble == 'false')
   {
        mnav01On=new Image(); mnav01On.src='./img/mnav08a.jpg';
        mnav01Off=new Image(); mnav01Off.src='./img/mnav08b.jpg';
        mnav02On=new Image(); mnav02On.src='./img/mnav10a.jpg';
        mnav02Off=new Image(); mnav02Off.src='./img/mnav10b.jpg';
        mnav03On=new Image(); mnav03On.src='./img/mnav12a.jpg';
        mnav03Off=new Image(); mnav03Off.src='./img/mnav12b.jpg';
        mnav04On=new Image(); mnav04On.src='./img/mnav14a.jpg';
        mnav04Off=new Image(); mnav04Off.src='./img/mnav14b.jpg';
        mnav05On=new Image(); mnav05On.src='./img/mnav16a.jpg';
        mnav05Off=new Image(); mnav05Off.src='./img/mnav16b.jpg';
   }

}