var host="ajax/loginActions.php";
var formId="loginForm";
//alert(host+"\n"+formId);

function makeRequest()
{
	if (window.XMLHttpRequest)
	{
		try
		{
			return new XMLHttpRequest();
		}
		catch (e){}
    }
	else if (window.ActiveXObject)
	{
		try
		{
			return new ActiveXObject('Msxml2.XMLHTTP');
		}
		catch (e){}
		try
		{
			return new ActiveXObject('Microsoft.XMLHTTP');
		}
		catch (e){}
	}
	else
	{
		alert("Sorry, you browser doesn't support XML requests");
	}
	return null;
}

function getReply(params,funcParams,useFormVars)
{
	if (useFormVars==1)
	{
		var els=document.getElementById(formId).elements;
		for (var i=0;i<(els.length);i++)
		{
			if (els[i].type!="button" && els[i].type!="submit")
			{
				if (els[i].type!="checkbox" && els[i].type!="radio")
				{
					params+="&"+els[i].name+"="+els[i].value;
				}
				else if (els[i].checked==true)
				{
					params+="&"+els[i].name+"="+els[i].value;
				}
				if (els[i].type=="text" || els[i].type=="password" || els[i].type=="checkbox") document.getElementById(els[i].name).style.backgroundColor="#FFFFFF";
			}
		}
	}

	var request=makeRequest();

	if (request)
	{
		request.onreadystatechange=function()
		{
			try
			{
				if (request.readyState == 4)
				{
					if (request.status == 200)
					{
						var reply;
						reply=request.responseText;
//						reply=host+params+"<br>"+reply;
						eval(funcParams);
					}
					else
					{
						alert("Couldn't get the data:\n" +request.statusText);
					}
				}
			}
			catch( e )
			{
				//alert('Caught Exception: ' + e.description);

				self.location= 'catche.php';
				//history.go(-1);
					
			}
		}
		request.open("GET",(host+params),true);
		request.send(null);	
	}
	return null;
}

function resetForm(recursion,reply)
{
	if (!recursion)
	{
		getReply("?function=resetForm",'resetForm(1,reply)',0);
	}
	else
	{
		processForm();
	}
}

function processForm(recursion,reply)
{
	if (!recursion)
	{
		getReply("?function=processForm",'processForm(1,reply)',1);
	}
	else
	{
		var text=reply.split("\n");
		if (text[0]=="ok")
		{
			var content="";

			for (i=1;i<text.length;i++)
			{
//document.getElementById("errors").innerText+=text[i];
				content+=text[i];
			}
			document.getElementById("formContent").innerHTML=content;
		}
		else
		{
//document.getElementById("errors").innerHTML+=reply;
			var row;
			var errors="Sorry, there is missing data:";
			for (i=0;i<text.length;i++)
			{
				row=text[i].split("|");
				document.getElementById(row[0]).style.backgroundColor="red";
				errors+="\n"+row[1];
			}
			alert(errors);
		}
	}
}

function enforceStep(step)
{
	document.getElementById("stepEnforcer").value=step;
	processForm();
}

function checkLogin(recursion,reply)
{
	if (!recursion)
	{
		getReply("?function=checkLogin",'checkLogin(1,reply)',1);
	}
	else
	{
		if (reply=="ok") document.location.replace("calculator.php");
		else
		alert("Sorry, we don't have any entries in the database with that login");
	}
}

function showPassForm()
{
	document.getElementById("passRecovery").style.display="block";
}

function hidePassForm()
{
	document.getElementById("passRecovery").style.display="none";
}

function remindPassword(recursion,reply)
{
	document.getElementById("passRecovery").innerHTML="";
	if (!recursion)
	{
		getReply("?function=remindPassword",'remindPassword(1,reply)',1);
	}
	else
	{
		//var text=reply.split("\n");
		document.getElementById("passRecovery").innerHTML=reply;
	}
}