// Validate funktionen /////////////

// Email-Adresse berprfung
function echeck(str) {
		
	var falschemail = "Bitte eine gültige Email-Adresse eingeben."
	var at="@"
	var dot="."
	var lat=str.indexOf(at)
	var lstr=str.length
	var ldot=str.indexOf(dot)
	

	
	if (str.indexOf(at)==-1){
	   document.getElementById("check_pers_info").innerHTML = falschemail;
	   return false;
	}

	if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
	   document.getElementById("check_pers_info").innerHTML = falschemail;
	   return false;
	}

	if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		 document.getElementById("check_pers_info").innerHTML = falschemail;
		return false;
	}
	
	 if (str.indexOf(at,(lat+1))!=-1){
		document.getElementById("check_pers_info").innerHTML = falschemail;
		return false;
	 }
	
	 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		document.getElementById("check_pers_info").innerHTML = falschemail;
		return false;
	 }
	
	 if (str.indexOf(dot,(lat+2))==-1){
		document.getElementById("check_pers_info").innerHTML = falschemail;
		return false;
	 }
	
	 if (str.indexOf(" ")!=-1){
		document.getElementById("check_pers_info").innerHTML = falschemail;
		return false;
	 }		
}
	
	
// Telefonnummerberprfung

// Declaring required variables
var digits = "0123456789";
// non-digit characters which are allowed in phone numbers
var phoneNumberDelimiters = "()-/ ";
// characters which are allowed in international phone numbers
// (a leading + is OK)
var validWorldPhoneChars = phoneNumberDelimiters + "+";
// Minimum no of digits in an international phone no.
var minDigitsInIPhoneNumber = 10;

function isInteger(s)
{   var i;
    for (i = 0; i < s.length; i++)
    {   
        // Check that current character is number.
        var c = s.charAt(i);
        if (((c < "0") || (c > "9"))) return false;
    }
    // All characters are numbers.
    return true;
}

function stripCharsInBag(s, bag)
{   var i;
    var returnString = "";
    // Search through string's characters one by one.
    // If character is not in bag, append to returnString.
    for (i = 0; i < s.length; i++)
    {   
        // Check that current character isn't whitespace.
        var c = s.charAt(i);
        if (bag.indexOf(c) == -1) returnString += c;
    }
    return returnString;
}

function checkInternationalPhone(strPhone){
s=stripCharsInBag(strPhone,validWorldPhoneChars);
return (isInteger(s) && s.length >= minDigitsInIPhoneNumber);
}

function check_kontakt(){
	var ok = true;
	if (document.kontaktformular.name.value == "") {
		var text = "Bitte Namen angeben!";
		document.getElementById("check_pers_info").innerHTML = text;
		document.kontaktformular.name.focus()
		ok = false
		return false
	}
	if (document.kontaktformular.vname.value == "") {
		var text = "Bitte Vornamen angeben!";
		document.getElementById("check_pers_info").innerHTML = text;
		document.kontaktformular.vname.focus()
		ok = false
		return false
	}
	/*if (document.personalien.plz.value == "") {
		var text = "<? echo $xml->cplz; ?>";
		document.getElementById("check_pers_info").innerHTML = text;
		document.personalien.plz.style.borderColor = "#FF0000;";
		document.personalien.plz.focus()
		return false
	}
	if (document.personalien.plz.value.length > 0){
    	var Wert = document.personalien.plz.value, chkZ = 1;
    	for (i=0;i<Wert.length;++i){
    		if (Wert.charAt(i) < "0" || Wert.charAt(i) > "9") { chkZ = -1; }
    		if (chkZ == -1) {
     			var text = "<? echo $xml->icplz; ?>";
				document.getElementById("check_pers_info").innerHTML = text;
				return false;
    		}
		}
  	}
	else {
		var text = "<? echo $xml->cplz; ?>";
		document.getElementById("check_pers_info").innerHTML = text;
		return false;
	}*/

	if (document.kontaktformular.ort.value == "") {
		var text = "Bitte Ort eingeben!";
		document.getElementById("check_pers_info").innerHTML = text;
		document.kontaktformular.ort.focus()
		ok = false
		return false
	}	
	if (document.kontaktformular.tel.value == "") {
		var text = "Bitte Telefonnummer angeben."
		document.getElementById("check_pers_info").innerHTML = text;
		document.kontaktformular.tel.focus()
		ok = false
		return false
	}
	var Phone=document.kontaktformular.tel
	if(Phone.value != ""){
		if (checkInternationalPhone(Phone.value)==false){
			var text = "Telefonnummer nicht korrekt!"
			document.getElementById("check_pers_info").innerHTML = text;
			Phone.value=""
			Phone.focus()
			ok = false
			return false
		}
	}
	var emailID=document.kontaktformular.mail
	if ((emailID.value==null)||(emailID.value=="")){
		var text = "E-Mail Adresse angeben!"
		document.getElementById("check_pers_info").innerHTML = text;
		emailID.value=""
		emailID.focus()
		ok = false
		return false
	}
	if (echeck(emailID.value)==false){
		emailID.value=""
		emailID.focus()
		ok = false
		return false
	}
	if (document.kontaktformular.bemerkungen.value == "") {
		var text = "Bitte eine Bemerkung angeben."
		document.getElementById("check_pers_info").innerHTML = text;
		document.kontaktformular.bemerkungen.focus()
		ok = false
		return false
	}
	if(ok == true)
	{
		document.kontaktformular.submit();
	}
}