function goBack(where){
  document.getElementById('step').value = where;
  document.census.submit();
}

function switchArrow(img,which){
  var source = img.src;
  var split = source.split('demographer/nv_census_2000/images/');
  if (split[1] == "arrow_off.gif"){
    img.src = "/what/data_statistics/demographer/nv_census_2000/images/arrow_on.gif";
    document.getElementById(which).style.display = "inline";
    document.getElementById(which).style.visibility = "visible";
  }else{
    img.src = "/what/data_statistics/demographer/nv_census_2000/images/arrow_off.gif";
    document.getElementById(which).style.display = "none";
    document.getElementById(which).style.visibility = "hidden";
  }
}

function showArea(which){
  switch(which){
    case 'tract':
      document.getElementById('state1').style.display = "none";
      document.getElementById('state2').style.display = "none";
      document.getElementById('next').style.display = "none";
      document.getElementById('area').style.display = "inline";
      document.getElementById('state1').style.visibility = "hidden";
      document.getElementById('state2').style.visibility = "hidden";
      document.getElementById('next').style.visibility = "hidden";
      document.getElementById('area').style.visibility = "visible";
    break;
    case 'geographic':
      document.getElementById('state1').style.display = "inline";
      document.getElementById('state2').style.display = "inline";
      document.getElementById('next').style.display = "none";
      document.getElementById('area').style.display = "inline";
      document.getElementById('state1').style.visibility = "visible";
      document.getElementById('state2').style.visibility = "visible";
      document.getElementById('next').style.visibility = "hidden";
      document.getElementById('area').style.visibility = "visible";
    break;
    case 'county':
      document.getElementById('place').style.visibility = "hidden";
      document.getElementById('county').style.visibility = "visible";
      document.getElementById('next').style.visibility = "hidden";
      document.getElementById('place').style.display = "none";
      document.getElementById('county').style.display = "inline";
      document.getElementById('next').style.display = "none";
      document.getElementById('pickplace').value = "";
    break;
    case 'place':
      document.getElementById('county').style.visibility = "hidden";
      document.getElementById('place').style.visibility = "visible";
      document.getElementById('next').style.visibility = "hidden";
      document.getElementById('county').style.display = "none";
      document.getElementById('place').style.display = "inline";
      document.getElementById('next').style.display = "none";
      document.getElementById('pickcounty').value = "";
    break;
    case 'state':
      document.getElementById('county').style.visibility = "hidden";
      document.getElementById('place').style.visibility = "hidden";
      document.getElementById('next').style.visibility = "visible";
      document.getElementById('county').style.display = "none";
      document.getElementById('place').style.display = "none";
      document.getElementById('next').style.display = "inline";
    break;
    case 'next':
      if (document.getElementById('pickplace').value || document.getElementById('pickcounty').value){
        document.getElementById('next').style.visibility = "visible";
        document.getElementById('next').style.display = "inline";
      }else{
        document.getElementById('next').style.visibility = "hidden";
        document.getElementById('next').style.display = "none";
      }
    break;
    case 'primary':
    case 'secondary':
    case 'ancestry':
    case 'disability':
    case 'education':
    case 'employment':
    case 'household':
    case 'income':
    case 'language':
    case 'migration':
    case 'poverty':
    case 'transportation':
    case 'housing':
      document.getElementById('primary').style.visibility = "hidden";
      document.getElementById('secondary').style.visibility = "hidden";
      document.getElementById('ancestry').style.visibility = "hidden";
      document.getElementById('disability').style.visibility = "hidden";
      document.getElementById('education').style.visibility = "hidden";
      document.getElementById('employment').style.visibility = "hidden";
      document.getElementById('household').style.visibility = "hidden";
      document.getElementById('income').style.visibility = "hidden";
      document.getElementById('language').style.visibility = "hidden";
      document.getElementById('migration').style.visibility = "hidden";
      document.getElementById('poverty').style.visibility = "hidden";
      document.getElementById('transportation').style.visibility = "hidden";
      document.getElementById('housing').style.visibility = "hidden";
      
      document.getElementById('primary').style.display = "none";
      document.getElementById('secondary').style.display = "none";
      document.getElementById('ancestry').style.display = "none";
      document.getElementById('disability').style.display = "none";
      document.getElementById('education').style.display = "none";
      document.getElementById('employment').style.display = "none";
      document.getElementById('household').style.display = "none";
      document.getElementById('income').style.display = "none";
      document.getElementById('language').style.display = "none";
      document.getElementById('migration').style.display = "none";
      document.getElementById('poverty').style.display = "none";
      document.getElementById('transportation').style.display = "none";
      document.getElementById('housing').style.display = "none";
      
      document.getElementById(which).style.visibility = "visible";
      document.getElementById(which).style.display = "inline";
    break;
    case 'primary1':
    case 'primary2':
    case 'primary3':
    case 'primary4':
    case 'primary5':
    case 'primary6':
    case 'primary7':
    case 'primary8':
    case 'primary9':
    case 'primary10':
    case 'primary11':
    case 'secondary1':
    case 'secondary2':
    case 'secondary3':
    case 'secondary4':
    case 'ancestry1':
    case 'ancestry2':
    case 'ancestry3':
    case 'disability1':
    case 'disability2':
    case 'disability3':
    case 'disability4':
    case 'disability5':
    case 'disability6':
    case 'education1':
    case 'education2':
    case 'employment1':
    case 'employment2':
    case 'employment3':
/*
    case 'household1':
    case 'income1':
    case 'income2':
    case 'income3':
    case 'income4':
    case 'income5':
    case 'income6':
    case 'income7':
    case 'income8':
    case 'language1':
    case 'language2':
    case 'language3':
    case 'migration1':
    case 'migration2':
    case 'migration3':
    case 'poverty1':
    case 'poverty2':
    case 'poverty3':
    case 'poverty4':
    case 'poverty5':
    case 'poverty6':
    case 'poverty7':
    case 'poverty8':
    case 'transportation1':
    case 'transportation2':
    case 'housing1':
    case 'housing2':
    case 'housing3':
    case 'housing4':
*/
      document.getElementById('primary1').style.visibility = "hidden";
      document.getElementById('primary2').style.visibility = "hidden";
      document.getElementById('primary3').style.visibility = "hidden";
      document.getElementById('primary4').style.visibility = "hidden";
      document.getElementById('primary5').style.visibility = "hidden";
      document.getElementById('primary6').style.visibility = "hidden";
      document.getElementById('primary7').style.visibility = "hidden";
      document.getElementById('primary8').style.visibility = "hidden";
      document.getElementById('primary9').style.visibility = "hidden";
      document.getElementById('primary10').style.visibility = "hidden";
      document.getElementById('primary11').style.visibility = "hidden";
      document.getElementById('secondary1').style.visibility = "hidden";
      document.getElementById('secondary2').style.visibility = "hidden";
      document.getElementById('secondary3').style.visibility = "hidden";
      document.getElementById('secondary4').style.visibility = "hidden";
      document.getElementById('ancestry1').style.visibility = "hidden";
      document.getElementById('ancestry2').style.visibility = "hidden";
      document.getElementById('ancestry3').style.visibility = "hidden";
      document.getElementById('disability1').style.visibility = "hidden";
      document.getElementById('disability2').style.visibility = "hidden";
      document.getElementById('disability3').style.visibility = "hidden";
      document.getElementById('disability4').style.visibility = "hidden";
      document.getElementById('disability5').style.visibility = "hidden";
      document.getElementById('disability6').style.visibility = "hidden";
      document.getElementById('education1').style.visibility = "hidden";
      document.getElementById('education2').style.visibility = "hidden";
      document.getElementById('employment1').style.visibility = "hidden";
      document.getElementById('employment2').style.visibility = "hidden";
      document.getElementById('employment3').style.visibility = "hidden";
/*
      document.getElementById('household1').style.visibility = "hidden";
      document.getElementById('income1').style.visibility = "hidden";
      document.getElementById('income2').style.visibility = "hidden";
      document.getElementById('income3').style.visibility = "hidden";
      document.getElementById('income4').style.visibility = "hidden";
      document.getElementById('income5').style.visibility = "hidden";
      document.getElementById('income6').style.visibility = "hidden";
      document.getElementById('income7').style.visibility = "hidden";
      document.getElementById('income8').style.visibility = "hidden";
      document.getElementById('language1').style.visibility = "hidden";
      document.getElementById('language2').style.visibility = "hidden";
      document.getElementById('language3').style.visibility = "hidden";
      document.getElementById('migration1').style.visibility = "hidden";
      document.getElementById('migration2').style.visibility = "hidden";
      document.getElementById('migration3').style.visibility = "hidden";
      document.getElementById('poverty1').style.visibility = "hidden";
      document.getElementById('poverty2').style.visibility = "hidden";
      document.getElementById('poverty3').style.visibility = "hidden";
      document.getElementById('poverty4').style.visibility = "hidden";
      document.getElementById('poverty5').style.visibility = "hidden";
      document.getElementById('poverty6').style.visibility = "hidden";
      document.getElementById('poverty7').style.visibility = "hidden";
      document.getElementById('poverty8').style.visibility = "hidden";
      document.getElementById('transportation1').style.visibility = "hidden";
      document.getElementById('transportation2').style.visibility = "hidden";
      document.getElementById('housing1').style.visibility = "hidden";
      document.getElementById('housing2').style.visibility = "hidden";
      document.getElementById('housing3').style.visibility = "hidden";
      document.getElementById('housing4').style.visibility = "hidden";
*/

      document.getElementById('primary1').style.display = "none";
      document.getElementById('primary2').style.display = "none";
      document.getElementById('primary3').style.display = "none";
      document.getElementById('primary4').style.display = "none";
      document.getElementById('primary5').style.display = "none";
      document.getElementById('primary6').style.display = "none";
      document.getElementById('primary7').style.display = "none";
      document.getElementById('primary8').style.display = "none";
      document.getElementById('primary9').style.display = "none";
      document.getElementById('primary10').style.display = "none";
      document.getElementById('primary11').style.display = "none";
      document.getElementById('secondary1').style.display = "none";
      document.getElementById('secondary2').style.display = "none";
      document.getElementById('secondary3').style.display = "none";
      document.getElementById('secondary4').style.display = "none";
      document.getElementById('ancestry1').style.display = "none";
      document.getElementById('ancestry2').style.display = "none";
      document.getElementById('ancestry3').style.display = "none";
      document.getElementById('disability1').style.display = "none";
      document.getElementById('disability2').style.display = "none";
      document.getElementById('disability3').style.display = "none";
      document.getElementById('disability4').style.display = "none";
      document.getElementById('disability5').style.display = "none";
      document.getElementById('disability6').style.display = "none";
      document.getElementById('education1').style.display = "none";
      document.getElementById('education2').style.display = "none";
      document.getElementById('employment1').style.display = "none";
      document.getElementById('employment2').style.display = "none";
      document.getElementById('employment3').style.display = "none";
/*
      document.getElementById('household1').style.display = "none";
      document.getElementById('income1').style.display = "none";
      document.getElementById('income2').style.display = "none";
      document.getElementById('income3').style.display = "none";
      document.getElementById('income4').style.display = "none";
      document.getElementById('income5').style.display = "none";
      document.getElementById('income6').style.display = "none";
      document.getElementById('income7').style.display = "none";
      document.getElementById('income8').style.display = "none";
      document.getElementById('language1').style.display = "none";
      document.getElementById('language2').style.display = "none";
      document.getElementById('language3').style.display = "none";
      document.getElementById('migration1').style.display = "none";
      document.getElementById('migration2').style.display = "none";
      document.getElementById('migration3').style.display = "none";
      document.getElementById('poverty1').style.display = "none";
      document.getElementById('poverty2').style.display = "none";
      document.getElementById('poverty3').style.display = "none";
      document.getElementById('poverty4').style.display = "none";
      document.getElementById('poverty5').style.display = "none";
      document.getElementById('poverty6').style.display = "none";
      document.getElementById('poverty7').style.display = "none";
      document.getElementById('poverty8').style.display = "none";
      document.getElementById('transportation1').style.display = "none";
      document.getElementById('transportation2').style.display = "none";
      document.getElementById('housing1').style.display = "none";
      document.getElementById('housing2').style.display = "none";
      document.getElementById('housing3').style.display = "none";
      document.getElementById('housing4').style.display = "none";
*/
      document.getElementById(which).style.visibility = "visible";
      document.getElementById(which).style.display = "inline";
    default:
  }
}