function layerdisp(layer,path,objvisible) {

        if (is_nav5up || is_ie5up) {
          layerobject=document.getElementById(layer).style;
        }

        else if (is_nav4) {
          if (path) {
            layerobject=eval(path).document[layer];
          } else {
            layerobject=document[layer];
          }
        }
        else if (is_ie4) {
          layerobject= document.all[layer].style;
        }
        layerobject.visibility=objvisible;
}