function mouseOver()
{
	document.getElementById('login').src='images/button_login_hover.gif';
}

function mouseOverBereich()
{
	document.getElementById('login_bereich').src='images/button_login_bereich_hover.gif';
}

function mouseOut()
{
	document.getElementById('login').src='images/button_login.gif';	
}

function mouseOutBereich()
{
	document.getElementById('login_bereich').src='images/button_login_bereich.gif';
}

function IsNumeric(sText)
{
    var ValidChars = "0123456789";
    var IsNumber=true;
    var Char;

    for (i = 0; i < sText.length && IsNumber == true; i++) 
    { 
      Char = sText.charAt(i); 
      if (ValidChars.indexOf(Char) == -1) 
      {
         IsNumber = false;
      }
   }
   return IsNumber;
}

function validateEmail(email) 
{
	   var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
	   var address = email;
	   if(reg.test(address) == false) 
	   {
	      return false;
	   }
	   else return true;
	
}

function validationContact()
{
	if(document.getElementById("name").value=="" || IsNumeric(document.getElementById("name").value)== true)
	{
		alert("Name Ungültig");
		return 0;
	}
	
	if(document.getElementById("strasse").value=="")
	{
		alert("Strasse Ungültig");
		return 0;
	}

	if(document.getElementById("plz").value=="" || IsNumeric(document.getElementById("plz").value)== false)
	{
		alert("PLZ Ungültig");
		return 0;
	}
	
	if(document.getElementById("ort").value=="" || IsNumeric(document.getElementById("ort").value)== true)
	{
		alert("ORT Ungültig");
		return 0;
	}
	
	if(validateEmail(document.getElementById("email_kontakt").value)==false)
	{
		alert("E-Mail-Adress Ungültig");
		return 0;
	}
		
	document.kontakt_request.submit();
}

function validation_abo()
{
	if(document.getElementById("name").value=="" || IsNumeric(document.getElementById("name").value)== true)
	{
		alert("Name Ungültig");
		return 0;
	}
	
	if(document.getElementById("vorname").value=="" || IsNumeric(document.getElementById("vorname").value)== true)
	{
		alert("Vorname Ungültig");
		return 0;
	}
	
	if(validateEmail(document.getElementById("email_subscribe").value)==false)
	{
		alert("E-Mail-Adress Ungültig");
		return 0;
	}
		
	if(document.getElementById("password1").value=="")
	{
		alert("Passwort Ungültig");
		return 0;
	}
	
	if(document.getElementById("password2").value=="")
	{
		alert("Passwort Ungültig");
		return 0;
	}
	
	if(document.getElementById("password1").value!=document.getElementById("password2").value)
	{
		alert("Passwort Ungültig");
		return 0;
	}
	
	document.form_subscribe.submit();
}
var xmlHttp;
function validation_login()
{
	if(validateEmail(document.getElementById("email_login").value)==false)
	{
		xmlHttp=GetXmlHttpObject();
		if (xmlHttp==null)
		 {
		 alert ("Browser does not support HTTP Request");
		 return;
		 }
		var url="valid.php";
		xmlHttp.onreadystatechange=stateChanged;
		xmlHttp.open("POST",url,true);
		xmlHttp.send(null);
		return 0;
	}
		
	if(document.getElementById("pass").value=="")
	{
		xmlHttp=GetXmlHttpObject();
		if (xmlHttp==null)
		 {
		 alert ("Browser does not support HTTP Request");
		 return;
		 }
		var url="valid.php";
		xmlHttp.onreadystatechange=stateChanged;
		xmlHttp.open("POST",url,true);
		xmlHttp.send(null);
		return 0;
	}
	document.login_form.submit();
}

function stateChanged() 
{ 
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
	{ 
		document.getElementById("txtHint1").innerHTML=xmlHttp.responseText;
	} 
}

var xmlHttp1;
function validation_pass()
{	
	if(validateEmail(document.getElementById("email_login").value)==false)
	{
		xmlHttp=GetXmlHttpObject();
		if (xmlHttp==null)
		 {
		 alert ("Browser does not support HTTP Request");
		 return;
		 }
		var url="valid.php";
		xmlHttp.onreadystatechange=stateChanged;
		xmlHttp.open("POST",url,true);
		xmlHttp.send(null);
		return 0;
	}

	xmlHttp1=GetXmlHttpObject();
	if (xmlHttp1==null)
	 {
	 alert ("Browser does not support HTTP Request");
	 return;
	 }
	var url="password.php";
	url=url+"?email="+document.getElementById("email_login").value;
	url=url+"&sid="+Math.random();
	//alert(url);
	xmlHttp1.onreadystatechange=stateChanged1;
	xmlHttp1.open("POST",url,true);
	xmlHttp1.send(null);
}

function stateChanged1() 
{ 
	if (xmlHttp1.readyState==4 || xmlHttp1.readyState=="complete")
	{ 
		document.getElementById("txtHint1").innerHTML=xmlHttp1.responseText;
	} 
}

function GetXmlHttpObject()
{
	var xmlHttp=null;
	try
	{
		// Firefox, Opera 8.0+, Safari
		xmlHttp=new XMLHttpRequest();
	}
	catch (e)
	{
		//Internet Explorer
		try
		{
			xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
		}
		catch (e)
		{
			xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
		}
	}
	return xmlHttp;
}