function reset()
{
   document.getElementById('AL').className="hide";
   document.getElementById('AK').className="hide";
   document.getElementById('AZ').className="hide";
   document.getElementById('AR').className="hide";
   document.getElementById('CA').className="hide";
   document.getElementById('CO').className="hide";
   document.getElementById('CT').className="hide";
   document.getElementById('DE').className="hide";
   document.getElementById('FL').className="hide";
   document.getElementById('GA').className="hide";
   document.getElementById('HI').className="hide";
   document.getElementById('ID').className="hide";
   document.getElementById('IL').className="hide";
   document.getElementById('IN').className="hide";
   document.getElementById('IA').className="hide";
   document.getElementById('KS').className="hide";
   document.getElementById('KY').className="hide";
   document.getElementById('LA').className="hide";
   document.getElementById('ME').className="hide";
   document.getElementById('MD').className="hide";
   document.getElementById('MA').className="hide";
   document.getElementById('MI').className="hide";
   document.getElementById('MN').className="hide";
   document.getElementById('MS').className="hide";
   document.getElementById('MO').className="hide";
   document.getElementById('MT').className="hide";
   document.getElementById('NE').className="hide";
   document.getElementById('NV').className="hide";
   document.getElementById('NH').className="hide";
   document.getElementById('NJ').className="hide";
   document.getElementById('NM').className="hide";
   document.getElementById('NY').className="hide";
   document.getElementById('NC').className="hide";
   document.getElementById('ND').className="hide";
   document.getElementById('OH').className="hide";
   document.getElementById('OK').className="hide";
   document.getElementById('OR').className="hide";
   document.getElementById('PA').className="hide";
   document.getElementById('RI').className="hide";
   document.getElementById('SC').className="hide";
   document.getElementById('SD').className="hide";
   document.getElementById('TN').className="hide";
   document.getElementById('TX').className="hide";
   document.getElementById('UT').className="hide";
   document.getElementById('VT').className="hide";
   document.getElementById('VA').className="hide";
   document.getElementById('WA').className="hide";
   document.getElementById('WV').className="hide";
   document.getElementById('WI').className="hide";
   document.getElementById('WY').className="hide";
}

function showBlock(blockId)
{
   reset();
   document.getElementById(blockId).className="show";
}