function switchDisplayGroups(idson,idsoff){

   var arOn = idson.split(',');

  var arOff = idsoff.split(',');

  for(var i=0;i < arOn.length;i++){

     var obj = document.getElementById(arOn[i]);

     var anc = document.getElementById(arOn[i]+'_a');

     var imga = document.getElementById(arOn[i]+'_img');

     imga.src = imga.src.substring(0,imga.src.length-5)+'2.gif';

     anc.style.fontWeight = 'bold';
     anc.style.color = '#999';
     anc.style.backgroundImage = 'url(/gfx/arrow_channel2.gif)';

     obj.style.display = 'block';

     sIFR.prefetch(oneliner);
     sIFR.activate();

     sIFR.replace(oneliner, {
                  selector: '.Home H1'
                  ,css: [
                    '.sIFR-root { text-align: left; background-color: #E6E6E6;}'
                    ,'a { text-decoration: none }'
                    ,'a:link { color: #000000 }'
                    ,'a:hover { color: #CCCCCC }'
                  ]
    });

   }

  for(var i=0;i < arOff.length;i++){

    var obj = document.getElementById(arOff[i]);

    var anc = document.getElementById(arOff[i]+'_a');

    var imga = document.getElementById(arOff[i]+'_img');

    imga.src = imga.src.substring(0,imga.src.length-5)+'0.gif';

    anc.style.fontWeight = 'normal';
    anc.style.color = '#000';
    anc.style.backgroundImage = 'url(/gfx/arrow_channel1.gif)';

    obj.style.display = 'none';

  }

}

function showOn(imga){
  if(imga.src.charAt(imga.src.length-5)!='2'){
    imga.src = imga.src.substring(0,imga.src.length-5)+'1.gif';
  }
}
function showOff(imga){
  if(imga.src.charAt(imga.src.length-5)!='2'){
    imga.src = imga.src.substring(0,imga.src.length-5)+'0.gif';
  }
}