var req;
var target;
var isIE;

function checkForm()
{
	if(document.getElementById("cEmail").value.length>=8)
	{
	document.getElementById("login_input_form").submit();
	}
}


function checkEmail(cEmail)
{
	if(cEmail.length>=8)validateEmail(cEmail);
	else document.getElementById("spanEmail").innerHTML="";
}

function initRequest()
{
    if (window.XMLHttpRequest) 
	{
        req = new XMLHttpRequest();
    } 
	else if (window.ActiveXObject) 
	{
        isIE = true;
        req = new ActiveXObject("Microsoft.XMLHTTP");
    }
}


function validateEmail(cEmail) 
{
	var url = "get_login_email.php?cEmail="+cEmail;
    initRequest();
	req.onreadystatechange = processRequest;
    req.open("GET", url, true); 
	req.send(null);
}


function processRequest() 
{
      if( 4 == req.readyState ) {
        if( 200 != req.status ) {
		document.getElementById("spanEmail").innerHTML="Fehler " + req.status + ": " + req.statusText;		
        } else {
		if (req.responseText=="<b style='color:#6b4a38'>Danke! dies ist eine gültige E-Mail!</b>")
			{
		  	document.getElementById("spanEmail").innerHTML=req.responseText;
			document.getElementById("submitLogin").disabled=false;
			}
			else
			{
			document.getElementById("spanEmail").innerHTML=req.responseText;
			document.getElementById("submitLogin").disabled=true;
			}
        }
      }
}