// JavaScript Document
function isEmailAddr(email)
{
  var result = false;
  var theStr = new String(email);
  var index = theStr.indexOf("@");
  if (index > 0)
  {
    var pindex = theStr.indexOf(".",index);
    if ((pindex > index+1) && (theStr.length > pindex+1))
	result = true;
  }
  return result;
}

function validRequired(formField,fieldLabel)
{
	var result = true;
	
	if (formField.value == "")
	{
		alert('Bitte geben Sie einen Wert fur das Feld ' + fieldLabel + ' an.');
		formField.focus();
		result = false;
	}
	
	return result;
}

function allDigits(str)
{
	return inValidCharSet(str,"0123456789");
}

function inValidCharSet(str,charset)
{
	var result = true;

	// Note: doesn't use regular expressions to avoid early Mac browser bugs	
	for (var i=0;i<str.length;i++)
		if (charset.indexOf(str.substr(i,1))<0)
		{
			result = false;
			break;
		}
	
	return result;
}

function validEmail(formField,fieldLabel,required)
{
	var result = true;
	
	if (required && !validRequired(formField,fieldLabel))
		result = false;

	if (result && ((formField.value.length < 3) || !isEmailAddr(formField.value)) )
	{
		alert("Bitte geben Sie im Formular eine vollständige E-Mail-Adresse an. name@name.com");
		formField.focus();
		result = false;
	}
   
  return result;

}

function validNum(formField,fieldLabel,required)
{
	var result = true;

	if (required && !validRequired(formField,fieldLabel))
		result = false;
  
 	if (result)
 	{
 		if (!allDigits(formField.value))
 		{
			alert("Bitte wählen Sie Ihr " + fieldLabel + " Zahl.");
			formField.focus();		
			result = false;
		}
	} 
	
	return result;
}


function validInt(formField,fieldLabel,required)
{
	var result = true;

	if (required && !validRequired(formField,fieldLabel))
		result = false;
  
 	if (result)
 	{
 		var num = parseInt(formField.value,10);
 		if (isNaN(num))
 		{
			alert("Bitte wählen Sie Ihr " + fieldLabel + " Zahl.");
			formField.focus();
			result = false;
		}
	} 
	
	return result;
}

function validDrop(formField,fieldLabel)
{
var result = true;

	if (formField.selectedIndex == 0) {
		alert("Bitte wählen Sie Ihr " + fieldLabel + " Menü. ");
		result = false;
	};

	return result;
}

function validCheck(formField,fieldLabel)
{
var result = true;

	if (formField.Checked) {
		alert("Bitte wählen Sie Ihr " + fieldLabel + " Menü. ");
		result = false;
	};

	return result;
}

function validRadio(formField,fieldLabel)
{
var result = false;
	for(var i = 0; i < formField.length; i++) {
		if (formField[i].checked)
		{
			result = true;
		}
	}
	if (!result)
	{
		alert("Bitte wählen Sie Ihr " + fieldLabel + " Menü. ");
		result = false;
	}

	return result;
}



function validDate(formField,fieldLabel,required)
{
	var result = true;

	if (required && !validRequired(formField,fieldLabel))
		result = false;
  
 	if (result)
 	{
 		var elems = formField.value.split("/");
 		
 		result = (elems.length == 3); // should be three components
 		
 		if (result)
 		{
 			var month = parseInt(elems[0],10);
  			var day = parseInt(elems[1],10);
 			var year = parseInt(elems[2],10);
			result = allDigits(elems[0]) && (month > 0) && (month < 13) &&
					 allDigits(elems[1]) && (day > 0) && (day < 32) &&
					 allDigits(elems[2]) && ((elems[2].length == 2) || (elems[2].length == 4));
 		}
 		
  		if (!result)
 		{
			alert("Bitte geben Sie ein Datum im dem Format MM/TT/JJJJ im Feld " + fieldLabel + "ein");
			formField.focus();		
		}
	} 
	
	return result;
}

function ajax_infomailcheck(infomailid)
{
//alert(infomailid);
var xmlhttp;
if (window.XMLHttpRequest)
  {
  // code for IE7+, Firefox, Chrome, Opera, Safari
  xmlhttp=new XMLHttpRequest();
  }
else if (window.ActiveXObject)
  {
  // code for IE6, IE5
  xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
  }
else
  {
  alert("Your browser does not support XMLHTTP!");
  }
xmlhttp.onreadystatechange=function()
{
if(xmlhttp.readyState==4)
  {
  //document.FORMNAME.FIELDNAME.value=xmlhttp.responseText;
  }
}
xmlhttp.open("GET","/includes/db_infomail.php?infomail=" + infomailid,true);
xmlhttp.send(null);
}