var xmlHttp
function showDealerLogin(userName,userPassword,companyId)
{ 
xmlHttp=GetXmlHttpObject()
if (xmlHttp==null)
 {
 alert ("Browser does not support HTTP Request")
 return
 }

var userNameString="?userName="+userName
var userPasswordString="&userPassword="+userPassword
var companyIdString="&companyId="+companyId

var url="getDealerLogin.php"
url=url+userNameString+userPasswordString+companyIdString
url=url+"&sid="+Math.random()
xmlHttp.onreadystatechange=stateChanged 
xmlHttp.open("GET",url,true)
xmlHttp.send(null)
}


function stateChanged() 
{ 
if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
 {
 document.getElementById("LoginArea").focus();
 document.getElementById("LoginArea").innerHTML=xmlHttp.responseText
 } 
else
 {
 document.getElementById("LoginArea").focus();
 document.getElementById("LoginArea").innerHTML="<a><img src='images/update.gif'> Searching...</a>"
 }
}
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;
}