function show_AUG10(show) {
    if (show === "hide" || show != "show" && document.getElementById("AUG10").style.display==="") {
      document.getElementById("AUG10").style.display="none";
      document.getElementById("AUG10B").value="Show Aug. 2010 events";
    } else {
      document.getElementById("AUG10").style.display="";
      document.getElementById("AUG10B").value="Show Aug. 2010 events";
    }
}
function show_SEP10(show) {
    if (show === "hide" || show != "show" && document.getElementById("SEP10").style.display==="") {
      document.getElementById("SEP10").style.display="none";
      document.getElementById("SEP10B").value="Show Sept. 2010 events";
    } else {
      document.getElementById("SEP10").style.display="";
      document.getElementById("SEP10B").value="Hide Sept. 2010 events";
    }
}
function show_OCT10(show) {
    if (show === "hide" || show != "show" && document.getElementById("OCT10").style.display==="") {
      document.getElementById("OCT10").style.display="none";
      document.getElementById("OCT10B").value="Show Oct. 2010 events";
    } else {
      document.getElementById("OCT10").style.display="";
      document.getElementById("OCT10B").value="Hide Oct. 2010 events";
    }
}
function show_NOV10(show) {
    if (show === "hide" || show != "show" && document.getElementById("NOV10").style.display==="") {
      document.getElementById("NOV10").style.display="none";
      document.getElementById("NOV10B").value="Show Nov. 2010 events";
    } else {
      document.getElementById("NOV10").style.display="";
      document.getElementById("NOV10B").value="Hide Nov. 2010 events";
    }
}
function show_DEC10(show) {
    if (show === "hide" || show != "show" && document.getElementById("DEC10").style.display==="") {
      document.getElementById("DEC10").style.display="none";
      document.getElementById("DEC10B").value="Show Dec. 2010 events";
    } else {
      document.getElementById("DEC10").style.display="";
      document.getElementById("DEC10B").value="Hide Dec. 2010 events";
    }
}

function show_2010(show) {
    if (show === "hide" || show != "show" && document.getElementById("2010").style.display==="") {
      document.getElementById("2010").style.display="none";
      document.getElementById("2010B").value="Show 2010 events";
    } else {
      document.getElementById("2010").style.display="";
      document.getElementById("2010B").value="Hide  2010 events";
    }
}
function show_JAN11(show) {
    if (show === "hide" || show != "show" && document.getElementById("JAN11").style.display==="") {
      document.getElementById("JAN11").style.display="none";
      document.getElementById("JAN11B").value="Show Jan. 2011 events";
    } else {
      document.getElementById("JAN11").style.display="";
      document.getElementById("JAN11B").value="Hide Jan. 2011 events";
    }
}
function show_FEB11(show) {
    if (show === "hide" || show != "show" && document.getElementById("FEB11").style.display==="") {
      document.getElementById("FEB11").style.display="none";
      document.getElementById("FEB11B").value="Show Feb. 2011 events";
    } else {
      document.getElementById("FEB11").style.display="";
      document.getElementById("FEB11B").value="Hide Feb. 2011 events";
    }
}
function show_MAR11(show) {
    if (show === "hide" || show != "show" && document.getElementById("MAR11").style.display==="") {
      document.getElementById("MAR11").style.display="none";
      document.getElementById("MAR11B").value="Show Mar. 2011 events";
    } else {
      document.getElementById("MAR11").style.display="";
      document.getElementById("MAR11B").value="Hide Mar. 2011 events";
    }
}
function show_APR11(show) {
    if (show === "hide" || show != "show" && document.getElementById("APR11").style.display==="") {
      document.getElementById("APR11").style.display="none";
      document.getElementById("APR11B").value="Show Apr. 2011 events";
    } else {
      document.getElementById("APR11").style.display="";
      document.getElementById("APR11B").value="Hide Apr. 2011 events";
    }
}
function show_MAY11(show) {
    if (show === "hide" || show != "show" && document.getElementById("MAY11").style.display==="") {
      document.getElementById("MAY11").style.display="none";
      document.getElementById("MAY11B").value="Show May 2011 events";
    } else {
      document.getElementById("MAY11").style.display="";
      document.getElementById("MAY11B").value="Hide May 2011 events";
    }
}
function show_JUN11(show) {
    if (show === "hide" || show != "show" && document.getElementById("JUN11").style.display==="") {
      document.getElementById("JUN11").style.display="none";
      document.getElementById("JUN11B").value="Show June 2011 events";
    } else {
      document.getElementById("JUN11").style.display="";
      document.getElementById("JUN11B").value="Hide June 2011 events";
    }
}
function show_JUL11(show) {
    if (show === "hide" || show != "show" && document.getElementById("JUL11").style.display==="") {
      document.getElementById("JUL11").style.display="none";
      document.getElementById("JUL11B").value="Show July 2011 events";
    } else {
      document.getElementById("JUL11").style.display="";
      document.getElementById("JUL11B").value="Hide July 2011 events";
    }
}
function show_AUG11(show) {
    if (show === "hide" || show != "show" && document.getElementById("AUG11").style.display==="") {
      document.getElementById("AUG11").style.display="none";
      document.getElementById("AUG11B").value="Show Aug. 2011 events";
    } else {
      document.getElementById("AUG11").style.display="";
      document.getElementById("AUG11B").value="Show Aug. 2011 events";
    }
}
function show_SEP11(show) {
    if (show === "hide" || show != "show" && document.getElementById("SEP11").style.display==="") {
      document.getElementById("SEP11").style.display="none";
      document.getElementById("SEP11B").value="Show Sept. 2011 events";
    } else {
      document.getElementById("SEP11").style.display="";
      document.getElementById("SEP11B").value="Hide Sept. 2011 events";
    }
}
function show_OCT11(show) {
    if (show === "hide" || show != "show" && document.getElementById("OCT11").style.display==="") {
      document.getElementById("OCT11").style.display="none";
      document.getElementById("OCT11B").value="Show Oct. 2011 events";
    } else {
      document.getElementById("OCT11").style.display="";
      document.getElementById("OCT11B").value="Hide Oct. 2011 events";
    }
}
function show_NOV11(show) {
    if (show === "hide" || show != "show" && document.getElementById("NOV11").style.display==="") {
      document.getElementById("NOV11").style.display="none";
      document.getElementById("NOV11B").value="Show Nov. 2011 events";
    } else {
      document.getElementById("NOV11").style.display="";
      document.getElementById("NOV11B").value="Hide Nov. 2011 events";
    }
}
function show_DEC11(show) {
    if (show === "hide" || show != "show" && document.getElementById("DEC11").style.display==="") {
      document.getElementById("DEC11").style.display="none";
      document.getElementById("DEC11B").value="Show Dec. 2011 events";
    } else {
      document.getElementById("DEC11").style.display="";
      document.getElementById("DEC11B").value="Hide Dec. 2011 events";
    }
}

function show_2011(show) {
    if (show === "hide" || show != "show" && document.getElementById("2011").style.display==="") {
      document.getElementById("2011").style.display="none";
      document.getElementById("2011B").value="Show 2011 events";
    } else {
      document.getElementById("2011").style.display="";
      document.getElementById("2011B").value="Hide  2011 events";
    }
}

function hide_ALL() {
    show_AUG10('hide');
    show_SEP10('hide');
    show_OCT10('hide');
    show_NOV10('hide');
    show_DEC10('hide');
    show_JAN11('hide');
    show_FEB11('hide');
    show_MAR11('hide');
    show_APR11('hide');
    show_MAY11('hide');
    show_JUN11('hide');
    show_JUL11('hide');
    show_AUG11('hide');
    show_SEP11('hide');
    show_OCT11('hide');
    show_NOV11('hide');
    show_DEC11('hide');
}