var jscript;

  if ( (navigator.userAgent.indexOf("a/3",6) == -1) &&
       (navigator.userAgent.indexOf("a/4",6) == -1) ) {
    jscript = 0;
  }
  else {
    jscript = 1;
  }

  if ( jscript ) {

    kleftarrow_on               = new Image;
    kleftarrow_on.src           = "../../../images/vv2b.gif";
    kleftarrow_off              = new Image;
    kleftarrow_off.src          = "../../../images/vv2p.gif";

    krightarrow_on              = new Image;
    krightarrow_on.src          = "../../../images/vv4b.gif";
    krightarrow_off             = new Image;
    krightarrow_off.src         = "../../../images/vv4p.gif";

    resback_on                   = new Image;
    resback_on.src               = "../../../images/resbackg.gif";
    resback_off                  = new Image;
    resback_off.src              = "../../../images/resbackk.gif";

    meer_on                   = new Image;
    meer_on.src               = "../../../images/meerg.gif";
    meer_off                  = new Image;
    meer_off.src              = "../../../images/meerk.gif";

    online_on                   = new Image;
    online_on.src               = "../../../images/onlineg.gif";
    online_off                  = new Image;
    online_off.src              = "../../../images/onlinek.gif";

    all_on                   = new Image;
    all_on.src               = "../../../images/allg.gif";
    all_off                  = new Image;
    all_off.src              = "../../../images/allk.gif";

    cat_on               = new Image;
    cat_on.src           = "../../../images/catg.gif";
    cat_off              = new Image;
    cat_off.src          = "../../../images/catk.gif";

    prod_on              = new Image;
    prod_on.src          = "../../../images/prodg.gif";
    prod_off             = new Image;
    prod_off.src         = "../../../images/prodk.gif";

    merk_on                    = new Image;
    merk_on.src                = "../../../images/merkg.gif";
    merk_off                   = new Image;
    merk_off.src               = "../../../images/merkk.gif";

    merkh_on                   = new Image;
    merkh_on.src               = "../../../images/merkgh.gif";
    merkh_off                  = new Image;
    merkh_off.src              = "../../../images/merkkh.gif";

    prodh_on                   = new Image;
    prodh_on.src               = "../../../images/prodgh.gif";
    prodh_off                  = new Image;
    prodh_off.src              = "../../../images/prodkh.gif";

    cath_on                   = new Image;
    cath_on.src               = "../../../images/catgh.gif";
    cath_off                  = new Image;
    cath_off.src              = "../../../images/catkh.gif";

    allh_on                   = new Image;
    allh_on.src               = "../../../images/allgh.gif";
    allh_off                  = new Image;
    allh_off.src              = "../../../images/allkh.gif";

}
  function imgAdj(imgDocID, mouseMov) {

    if ( jscript ) {
      if ( mouseMov == "in" ) {
         document.images[imgDocID].src = eval(imgDocID + "_on.src");
       
      }
      if ( mouseMov == "out" ) {
         document.images[imgDocID].src = eval(imgDocID + "_off.src");
         
      }
    }
  }