var arrNumbers = ["null","ein","zwei","drei","vier","fuenf","sechs","sieben","acht","neun","zehn"];
var myLength = 10;
var myText;

function send(name)
{
  document.forms[name].submit();
}

function submit( id )
{
	document.getElemenById(id).submit;
}

function randomString() {
	var chars = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXTZabcdefghiklmnopqrstuvwxyz";
	var string_length = 8;
	var randomstring = '';
	for (var i=0; i<string_length; i++) {
		var rnum = Math.floor(Math.random() * chars.length);
		randomstring += chars.substring(rnum,rnum+1);
	}
	return randomstring;
}

function Set_Cookie( name, value, expires, path, domain, secure ) 
{
// set time, it's in milliseconds
var today = new Date();
today.setTime( today.getTime() );

/*
if the expires variable is set, make the correct 
expires time, the current script below will set 
it for x number of days, to make it for hours, 
delete * 24, for minutes, delete * 60 * 24
*/
if ( expires )
{
expires = expires * 1000 * 60 * 60 * 24;
}
var expires_date = new Date( today.getTime() + (expires) );

document.cookie = name + "=" +escape( value ) +
( ( expires ) ? ";expires=" + expires_date.toGMTString() : "" ) + 
( ( path ) ? ";path=" + path : "" ) + 
( ( domain ) ? ";domain=" + domain : "" ) +
( ( secure ) ? ";secure" : "" );
}

// this function gets the cookie, if it exists
function Get_Cookie( name ) {
	
var start = document.cookie.indexOf( name + "=" );
var len = start + name.length + 1;
if ( ( !start ) &&
( name != document.cookie.substring( 0, name.length ) ) )
{
return null;
}
if ( start == -1 ) return null;
var end = document.cookie.indexOf( ";", len );
if ( end == -1 ) end = document.cookie.length;
return unescape( document.cookie.substring( len, end ) );
}

// this deletes the cookie when called
function Delete_Cookie( name, path, domain ) {
if ( Get_Cookie( name ) ) document.cookie = name + "=" +
( ( path ) ? ";path=" + path : "") +
( ( domain ) ? ";domain=" + domain : "" ) +
";expires=Thu, 01-Jan-1970 00:00:01 GMT";
}	

function typeValidation()
{ 

 	document.getElementById("warning").style.display = "none";
 	var bad     = false;   
 	var input = document.getElementById("test").value;   
 	var valid = '0123456789';   
 
	for(i=0; i <= input.length; i++) 
 	{ 
  		if(valid.indexOf(input.charAt(i)) < 0  ) 
  		bad = true
	}  
 
	if (bad == false)
	{
  		if (document.getElementById("test").value.length == myLength) 
   		document.getElementById("test2").style.display = "block";
 
  		else
  		{
   		document.getElementById("test2").style.display = "none"; 
   		document.getElementById("test2").value = ""; 
  		}
 	}
 	else
 	{
  		document.getElementById("warning").style.display = "block";
 	}
}

function typeValidation2(cnam)
{ 

	/* NOCH NICHT FERTIG - HIER ANPASSEN UM DIE ZWEI ZAHLEN ZU VERGLEICHEN */
 	document.getElementById("warning2").style.display = "none";
 	var bad     = false;   
	var input = document.getElementById("test2").value;   
	var valid = '0123456789';   
 
 	for(i=0; i <= input.length; i++) 
 	{ 
  	if(valid.indexOf(input.charAt(i)) < 0  ) 
  		bad = true
 	}  

	var resultText = "Falsch";
 	if (bad == false)
 	{
  		if (document.getElementById("test2").value.length == myLength)
  		{
   			document.getElementById("test2").style.display = "block";
   			if (document.getElementById("test").value == document.getElementById("test2").value)
   			{
				var resultText = "Richtig!";
				// alert(resultText);
				Check = confirm(resultText);
				if (Check !== false)
				{
  				document.getElementById("sub").style.display = "block";
  				// cnam = 'qeMENrtb87aebt';
  				var cval = randomString();
  				Delete_Cookie ( cnam );
				Set_Cookie( cnam, cval );
				document.getElementById("gbcookie").value = cval;
  				}
  			}
  			else
  			{
				var resultText = "Falsch!";
				alert(resultText);  			
  			}
   		}
 	}
 	else
 	{
  	document.getElementById("warning2").style.display = "block";
 	}
}

function RandomNumber()
{
 	var myZahl = Math.round(Math.random() * 10);
 	document.getElementById("test").value = '';
 	document.getElementById("test2").value = '';

 	if (myZahl >= 2)
 	{
		myLength = myZahl;
		myText = "Bitte eine "+arrNumbers[myLength]+"stellige Zahl eingeben.";
		document.getElementById("theText").innerHTML = "<code>" + myText + "</code>";
		//alert (myZahl);
 	}
	else
	{
	Math.random() * myZahl;
	RandomNumber();
	}
}