<!--
var nav3plus = false;
var i = 0;
var j = 0;
if ( navigator.userAgent.indexOf( "Mozilla" ) != -1 && navigator.userAgent.indexOf( "MSIE" ) == -1 ) {
   nav3plus = parseInt( navigator.appVersion.substring( 0, 1 ) ) >= 3;
}
if ( navigator.userAgent.indexOf( "MSIE" ) != -1 ) {
   nav3plus = parseInt( navigator.appVersion.substring( 0, 1 ) ) >= 4;
}
/* PRELOAD IMAGES */
if (nav3plus) {

      moo1 = new Image;
      moo1.src = 'btns/moo1.gif';
      moo2 = new Image;
      moo2.src = 'btns/moo2.gif';

      uitleg1 = new Image;
      uitleg1.src = 'btns/uitleg1.gif';
      uitleg2 = new Image;
      uitleg2.src = 'btns/uitleg2.gif';

      alg1 = new Image;
      alg1.src = 'btns/alg1.gif';
      alg2 = new Image;
      alg2.src = 'btns/alg2.gif';

      sociaal1 = new Image;
      sociaal1.src = 'btns/sociaal1.gif';
      sociaal2 = new Image;
      sociaal2.src = 'btns/sociaal2.gif';

      hoe1 = new Image;
      hoe1.src = 'btns/hoe1.gif';
      hoe2 = new Image;
      hoe2.src = 'btns/hoe2.gif';

      help1 = new Image;
      help1.src = 'btns/help1.gif';
      help2 = new Image;
      help2.src = 'btns/help2.gif';

}      
function highlight(i) {
   if (nav3plus) {
      if (i == 1) {
         this.document.moo.src = moo2.src;
      } else if (i == 2) {
         this.document.uitleg.src = uitleg2.src;
      } else if (i == 3) {
         this.document.algemeen.src = alg2.src;
      } else if (i == 4) {
         this.document.sociaal.src = sociaal2.src;
      } else if (i == 5) {
         this.document.hoe.src = hoe2.src;
      } else if (i == 6) {
         this.document.helpdesk.src = help2.src;
      }
   }
}
function normaal(j) {
   if (nav3plus) {
      if (j == 1) {
         this.document.moo.src = moo1.src;
      } else if (j == 2) {
         this.document.uitleg.src = uitleg1.src;
      } else if (j == 3) {
         this.document.algemeen.src = alg1.src;
      } else if (j == 4) {
         this.document.sociaal.src = sociaal1.src;
      } else if (j == 5) {
         this.document.hoe.src = hoe1.src;
      } else if (j == 6) {
         this.document.helpdesk.src = help1.src;
      }
   }
}
// -->