//<![CDATA[

    <!-- 
    var state = 'none'; 

    function showhide(layer_ref) { 

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    state = 'none'; 
    } 
    else { 
    state = 'block'; 
    } 
    if (document.all) { //IS IE 4 or 5 (or 6 beta) 
    eval( "document.all." + layer_ref + ".style.display = state"); 
    } 
    if (document.layers) { //IS NETSCAPE 4 or below 
    document.layers[layer_ref].display = state; 
    } 
    if (document.getElementById &&!document.all) { 
    hza = document.getElementById(layer_ref); 
    hza.style.display = state; 
    } 
    } 
    //--> 
    //]]>
