function unlockStateForCountry(idCountrySelect, idStateInput, idStateInputHid, countryValue, emptyStateValue) {
	  var index = document.getElementById(idCountrySelect).selectedIndex;
	  var country = document.getElementById(idCountrySelect).options[index].value;
	  var stateInput = document.getElementById(idStateInput);
	  var stateInputHid = document.getElementById(idStateInputHid);	  
	  if (country == countryValue) {
	    stateInput.disabled = false;
	    stateInputHid.disabled = true;	    
	  } else {
	    stateInput.disabled = true;
	    stateInput.value = emptyStateValue;
	    
	    stateInputHid.disabled = false;
	    stateInputHid.value = emptyStateValue;
	  }	
}

function unlockStateForCountryNoHid(idCountrySelect, idStateInput, countryValue, emptyStateValue) {
	  var index = document.getElementById(idCountrySelect).selectedIndex;
	  var country = -1;
	  if (index >= 0) {
		  country = document.getElementById(idCountrySelect).options[index].value;
	  }
	  var stateInput = document.getElementById(idStateInput);
	  var stateInputHid = document.getElementById(idStateInput+'__hid');
	  if (!stateInputHid) {
		  stateInputHid = document.createElement('input');
		  stateInputHid.id = stateInput.id + '__hid';
		  stateInputHid.name = stateInput.name;
		  stateInputHid.type = 'hidden';
		  stateInputHid.disabled = true;
		  stateInput.parentNode.appendChild(stateInputHid);
	  }
	  if (country == countryValue) {
	    stateInput.disabled = false;
	    stateInputHid.disabled = true;	    
	  } else {
	    stateInput.disabled = true;
	    stateInput.value = emptyStateValue;
	    
	    stateInputHid.disabled = false;
	    stateInputHid.value = emptyStateValue;
	  }	
}