function showsub( targetsub ) {
    var z=1;
    while ( z <= 4 )
    {
        var temp_hidden_number = "depth20" + z;
        targetsubnumber = "document.getElementById(\"" +temp_hidden_number + "\")" ;
        //alert(eval(targetsubnumber).style.display);
        eval(targetsubnumber).style.display="none";
        z = z + 1;
    }

    var targetsubnumber = "depth20" + targetsub;
    targetsubnumber = "document.getElementById(\"" +targetsubnumber + "\")" ;
    eval(targetsubnumber).style.display="block";
    return;
}

function showSearchDiv(div) {
    
    if (div == 'tSearch') {
        var searchDiv = "document.getElementById('tSearch')" ;
        eval(searchDiv).style.display = "block";

        var searchDiv = "document.getElementById('dSearch')" ;
        eval(searchDiv).style.display = "none";
    }
    else {
        var searchDiv = "document.getElementById('dSearch')" ;
        eval(searchDiv).style.display = "block";

        var searchDiv = "document.getElementById('tSearch')" ;
        eval(searchDiv).style.display = "none";    }
}