//validate email id
function checkUser( formObj ){
	xmlHttp = GetXmlHttpObject();
	
	if(xmlHttp == null) { 
		alert("Browser does not support HTTP Request");
		return;
	}
	
	emailId = formObj.chkemail.value;
	password = formObj.chkpassword.value;
	url = "index.php?page=checkUser&chkemail="+emailId+"&chkpassword="+password
	url = url
	xmlHttp.onreadystatechange = stateChanged
	xmlHttp.open("get",url,true)
	xmlHttp.send(null)	
}

// Checking browser compatabile
function GetXmlHttpObject()
{ 
	var objXMLHttp=null
	if (window.XMLHttpRequest)
	{
		objXMLHttp = new XMLHttpRequest()
	}
	else if (window.ActiveXObject)
	{
		objXMLHttp = new ActiveXObject("Microsoft.XMLHTTP")
	}
	return objXMLHttp
}

// State Changed 
function stateChanged() 
{ 
	if (xmlHttp.readyState == 4 || xmlHttp.readyState == "complete")
	{ 
		var response = xmlHttp.responseText
		if(response == "false"){
			document.getElementById("message").innerHTML = "Incorrect email-id / password.";
		}
		else{
			document.getElementById("userLogin").style.display = "none";
			getMoreUserInfo( emailId );
			getSessionValue();
		}	
	}
	else{
		document.getElementById("message").innerHTML = "Loading.....";
	} 
}



/* get more user info */
function getMoreUserInfo( emailId ){
	xmlHttp2 = GetXmlHttpObject();
	
	if(xmlHttp2== null) { 
		alert("Browser does not support HTTP Request");
		return;
	}
	
	url = "index.php?page=getUserInfo"+"&emailId="+emailId 
	url = url
	xmlHttp2.onreadystatechange = stateChanged2
	xmlHttp2.open("get",url,true)
	xmlHttp2.send(null)	
}

// State Changed 
function stateChanged2() 
{ 
	if (xmlHttp2.readyState == 4 || xmlHttp2.readyState == "complete")
	{ 
		userData = xmlHttp2.responseText;
		userDataArr = userData.split("^^");
		document.postProperty.contactName.value = userDataArr[0];
		document.postProperty.mobileNo.value = userDataArr[1];
		document.postProperty.landlineNo.value = userDataArr[2];
		document.postProperty.email.value = emailId;
	}
	else{
		document.getElementById("message").innerHTML = "Loading.....";
	} 
}