// JavaScript Document
var xmlHttp;
// User Id and Password Verification at login
function user_verification() {
	xmlHttp=GetXmlHttpObject()
    if (xmlHttp==null)
		{
		alert ("Your browser does not support AJAX!");
		return;
		}
	//document.getElementById('success_response').innerHTML='<img src="../images/loading.gif" />';
	var url="form_process/agent_verification.php";
	url += "?userid="+document.getElementById('username').value;
	url += "&password="+document.getElementById('pass').value
	xmlHttp.onreadystatechange=stateChanged_agent_verification;
	xmlHttp.open("GET",url,true);
	xmlHttp.send(null);
}

function stateChanged_agent_verification()
{
	if (xmlHttp.readyState==4)
	{
		response_array = Array();
		response_array = xmlHttp.responseText.split('@$');
		if(response_array[0]=='Invalid login details.'||response_array[0]=='Your account has been locked.') {
			document.getElementById('success_response').style.display='block';
			document.getElementById("success_response").innerHTML = response_array[0];
			document.getElementById("pass").value = '';
		}
		else if(response_array[0]=='1') {
			location.href = response_array[1];
		}
			
	}
}

function GetXmlHttpObject(){var xmlHttp=null;try  {  xmlHttp=new XMLHttpRequest();  }catch (e)  {  try    {    xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");    }  catch (e)    {    xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");    }  }return xmlHttp;}

function validate_login(){
	error_flag=0; //flag for checking error
	 // Condition for checking Title 
   	 if(document.getElementById('username').value==''){
		document.getElementById('error_username').style.display='block';
		error_flag=error_flag+1;
	 }
	 if(error_flag>0){
		return false;
	 }
	 else{
	document.getElementById('error_username').style.display='none';
	 if(document.getElementById('pass').value==''){
		document.getElementById('error_pass').style.display='block';
		error_flag=error_flag+1;
	 }
	 else {
		 document.getElementById('error_pass').style.display='none';
	 }
	 if(error_flag>0){
		return false;
	 }
	 else{
	   	user_verification();
	 }
  }
}