function cascadeCountry(value) {
   if (document.getElementById("txtstateprovince") != null) {
	if (value != '') {
	    http.open('get', 'cascade_sign.php?a=country&v=' + value );
	    document.getElementById('txtstateprovince').innerHTML = "  " + loadingTag;
	    http.onreadystatechange = handleResponse;
	    http.send(null);
	}
   }
}

function cascadeState(value,v1) {
   if (document.getElementById("txtcounty") != null) {
    	http.open('get', 'cascade_sign.php?a=state&v=' + value  + '&v1=' + v1);
	document.getElementById('txtcounty').innerHTML="  "+loadingTag;
    	http.onreadystatechange = handleResponse;
    	http.send(null);
   }
}

function cascadeCounty(value,v1,v2) {
   if (document.getElementById("txtcity") != null) {
     http.open('get', 'cascade_sign.php?a=county&v=' + value
					+ '&v1=' + v1 + '&v2=' + v2);
	document.getElementById('txtcity').innerHTML="  "+loadingTag;
     http.onreadystatechange = handleResponse;
     http.send(null);
   }
}

function cascadeCity(value,v1,v2,v3) {
   if (document.getElementById("txtzip") != null) {
      http.open('get', 'cascade_sign.php?a=city&v=' + value
					+ '&v1=' + v1 + '&v2=' + v2 + '&v3=' + v3);
	document.getElementById('txtzip').innerHTML="  "+loadingTag;
      http.onreadystatechange = handleResponse;
      http.send(null);
   }
}

function cascadeCountryL(value) {
   if (document.getElementById("txtlookstateprovince") != null) {
      http.open('get', 'cascade_sign2.php?a=country&v=' + value );
	document.getElementById('txtlookstateprovince').innerHTML="  "+loadingTag;
      http.onreadystatechange = handleResponse;
      http.send(null);
   }
}

function cascadeStateL(value,v1) {
   if (document.getElementById("txtlookcounty") != null) {
      http.open('get', 'cascade_sign2.php?a=state&v=' + value  + '&v1=' + v1);
	document.getElementById('txtlookcounty').innerHTML="  "+loadingTag;
      http.onreadystatechange = handleResponse;
      http.send(null);
   }
}

function cascadeCountyL(value,v1,v2) {
   if (document.getElementById("txtlookcity") != null) {
      http.open('get', 'cascade_sign2.php?a=county&v=' + value
					+ '&v1=' + v1 + '&v2=' + v2);
	document.getElementById('txtlookcity').innerHTML="  "+loadingTag;
      http.onreadystatechange = handleResponse;
      http.send(null);
   }
}

function cascadeCityL(value,v1,v2,v3) {
   if (document.getElementById("txtlookzip") != null) {
       http.open('get', 'cascade_sign2.php?a=city&v=' + value
					+ '&v1=' + v1 + '&v2=' + v2 + '&v3=' + v3);
	document.getElementById('txtlookzip').innerHTML="  "+loadingTag;
       http.onreadystatechange = handleResponse;
       http.send(null);
   }
}