var http_request = false;

function makePOSTRequest(url, parameters) {

http_request = false;

if (window.XMLHttpRequest) { // Mozilla, Safari,...

http_request = new XMLHttpRequest();

if (http_request.overrideMimeType) {

// set type accordingly to anticipated content type

//http_request.overrideMimeType('text/xml');

http_request.overrideMimeType('text/html');

}

} else if (window.ActiveXObject) { // IE

try {

http_request = new ActiveXObject("Msxml2.XMLHTTP");

} catch (e) {

try {

http_request = new ActiveXObject("Microsoft.XMLHTTP");

} catch (e) {}

}

}

if (!http_request) {

alert('Cannot create XMLHTTP instance');

return false;

}


http_request.onreadystatechange = alertContents;

http_request.open('POST', url, true);

http_request.setRequestHeader("Content-type", "application/x-www-form-urlencoded");

http_request.setRequestHeader("Content-length", parameters.length);

http_request.setRequestHeader("Connection", "close");

http_request.send(parameters);
  
}

function alertContents() {

if (http_request.readyState == 4) {

if (http_request.status == 200) {

//alert(http_request.responseText);

result = http_request.responseText;

res_parse = result.split(",");

if(res_parse[0]=="0") {
	
	window.location = "https://"+res_parse[1]+".collaboratecloud.com/index?sid="+res_parse[2];
	
}  else if(http_request.responseText=="1") { 

//document.getElementById('login_load').style.display = 'none';

//document.getElementById('login_loader').style.display  = 'block';

document.getElementById('loginerror').innerHTML = "<div id=Flash class=flash_alert>Sorry, your username or password wasn't recognized</div>";

document.getElementById('username').value = "";
 
document.getElementById('password').value = "";

document.getElementById('username').focus();

//document.getElementById('login').disabled = false;

} else if(res_parse[0]=="payment_error")  { 

	//window.location = "https://"+res_parse[1]+".collaboratecloud.com/make_payment";

	window.location = "make_payment.php";

}else {

document.getElementById('loginerror').innerHTML = http_request.responseText;  

}

} else {

alert(http_request.status);
     }
  }
}

function authenticate() {
  
  	var username = document.getElementById('username').value;
   
   	var password = document.getElementById('password').value;
	
	var invite = document.getElementById('invite').value;

    if ((username==null)||(username=="")){
    
    document.getElementById("loginerror").innerHTML = "<div id=Flash class=flash_alert>Enter the User Name</div>"; 
    
    document.getElementById('username').focus();
    
    return false;
    
	} else if ((password==null)||(password=="")){
    
    document.getElementById("loginerror").innerHTML = "<div id=Flash class=flash_alert>Enter the Password</div>"; 
    
    document.getElementById('password').focus();
    
    return false;
    
	} 
    
	document.getElementById("loginerror").innerHTML = "";
	
	//document.getElementById('login').disabled = true;
	
	var poststr = "user=" + encodeURI(username) + "&pwd=" + encodeURI(password)  + "&action=" + encodeURI("authentication") + "&invite=" + encodeURI(invite);
    
	makePOSTRequest('authenticate.php', poststr);
	
	//document.getElementById('login_loader').style.display  = 'none';
	
	//document.getElementById('login_load').style.display = 'block';

}