var isMinNS4 = (navigator.appName.indexOf("Netscape") >= 0 &&
                parseFloat(navigator.appVersion) >= 4) ? 1 : 0;
var isMinIE4 = (document.all) ? 1 : 0;
var isMinIE5 = (isMinIE4 && navigator.appVersion.indexOf("5.")) >= 0 ? 1 : 0;

function LayerRollOver( img ) {
  if( isMinNS4 || isMinIE4 ) {
    document.images[ img ].src = 'http://media.comrax.com/Images/dental.org.il/public/' + 'button-' + img + '-on.gif';
  }
}

function RollOver( img ) {
  if( isMinNS4 || isMinIE4 ) {
    new_top.hide( );
    info_top.hide( );
    document.images[ img ].src = 'http://media.comrax.com/Images/dental.org.il/public/' + 'button-' + img + '-on.gif';
  }
}

function RollOut( img ) {
  if( isMinNS4 || isMinIE4 ) {
    if( strSectionName != img ) {
      document.images[ img ].src = 'http://media.comrax.com/Images/dental.org.il/public/' + 'button-' + img + '.gif';
    }
  }
}

function LoadImages( ) {
  if( isMinNS4 || isMinIE4 ) {
    img1 = new Image( );
    img2 = new Image( );
    img3 = new Image( );
    img4 = new Image( );
    img5 = new Image( );
    img6 = new Image( );
    img7 = new Image( );

    img1.src = "http://media.comrax.com/Images/dental.org.il/public/bt-about-on.gif";
    img2.src = "http://media.comrax.com/Images/dental.org.il/public/bt-ask-on.gif";
    img3.src = "http://media.comrax.com/Images/dental.org.il/public/bt-search-on.gif";
    img4.src = "http://media.comrax.com/Images/dental.org.il/public/bt-information-on.gif";
    img5.src = "http://media.comrax.com/Images/dental.org.il/public/button-new-on.gif";
    img6.src = "http://media.comrax.com/Images/dental.org.il/public/button-speciality-on.gif";
    img7.src = "http://media.comrax.com/Images/dental.org.il/public/button-home-on.gif";
  }
}

LoadImages( );