var searchMode;
function changeMode(mode){
if(mode=="int"){
	
	document.getElementById("int").style.visibility="visible";
	document.getElementById("int").style.display="block";
	
	document.getElementById("intmode").checked=true;
	document.getElementById("usamode").checked=false;
	document.getElementById("provider").disabled=true;
	document.getElementById("mode").value="int";
	if(document.smsfrm.country.value!=0){
	setproviders(document.smsfrm.country.value)
	}
}
else{
	
	document.getElementById("int").style.visibility="hidden";
	document.getElementById("int").style.display="none";
	document.getElementById("usamode").checked=true;
	document.getElementById("intmode").checked=false;
	document.getElementById("provider").disabled=false;
	document.getElementById("mode").value="usa";
	setproviders('US')
}
	
}

var xmlHttp

function setproviders(id)
{ 
xmlHttp=GetXmlHttpObject()
if (xmlHttp==null)
 {
 alert ("Browser does not support HTTP Request")
 return
 }
var url="getproviders.php"
url=url+"?code="+id;
xmlHttp.onreadystatechange=stateChanged 
xmlHttp.open("GET",url,true)
xmlHttp.send(null)
}

function stateChanged() 
{ 
if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
 { 
 document.getElementById("provider").disabled=false;
 document.getElementById("providers").innerHTML=xmlHttp.responseText ;
 document.getElementById("status").style.visibility="hidden";
 } 
 
 if (xmlHttp.readyState==1 )
 { 
 document.getElementById("provider").disabled=true;
 document.getElementById("status").style.visibility="visible";
 } 
}

function GetXmlHttpObject()
{
var xmlHttp=null;
try
 {
 // Firefox, Opera 8.0+, Safari
 xmlHttp=new XMLHttpRequest();
 }
catch (e)
 {
 //Internet Explorer
 try
  {
  xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
  }
 catch (e)
  {
  xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
  }
 }
return xmlHttp;
}