function isValidVorname(){
    var text=document.getElementById('vorname').value;
    var valid = /^[a-zA-Z -öäüßÖÄÜ]{2,}$/;
    if(text.match(valid)){
        document.getElementById('vorname').className = "txtbox green";
    }else{
        document.getElementById('vorname').className = "txtbox red";
    }
}
function isValidNachname(){
    var text=document.getElementById('nachname').value;
    var valid = /^[a-zA-Z -öäüßÖÄÜ]{2,}$/;
    if(text.match(valid)){
        document.getElementById('nachname').className = "txtbox green";
    }else{
        document.getElementById('nachname').className = "txtbox red";
    }
}
function isValidFirma(){
    var text=document.getElementById('firma').value;
    var valid = /^[a-zA-Z -öäüßÖÄÜ&]{2,}$/;
    if(text.match(valid)||text==""){
        document.getElementById('firma').className = "txtbox green";
    }else{
        document.getElementById('firma').className = "txtbox red";
    }
}
function isValidTelefon(){
    var text=document.getElementById('telefon').value;
    var valid = /^[0|+]{1}[0-9- \/]{4,}$/;
    if(text.match(valid)){
        document.getElementById('telefon').className = "txtbox green";
    }else{
        document.getElementById('telefon').className = "txtbox red";
    }
}
function isValidFax(){
    var text=document.getElementById('fax').value;
    var valid = /^[0|+]{1}[0-9- \/]{5,}$/;
    if(text.match(valid)||text==""){
        document.getElementById('fax').className = "txtbox green";
    }else{
        document.getElementById('fax').className = "txtbox red";
    }
}
function isValidPlz(){
    var text=document.getElementById('plz').value;
    var valid = /^[0-9]{2,}$/;
    if(text.match(valid)){
        document.getElementById('plz').className = "txtbox green";
    }else{
        document.getElementById('plz').className = "txtbox red";
    }
}
function isValidStrasse(){
    var text=document.getElementById('strasse').value;
    var valid = /^[a-zA-Z -öäüßÖÄÜ]{1,}$/;
    if(text.match(valid)){
        document.getElementById('strasse').className = "txtbox green";
    }else{
        document.getElementById('strasse').className = "txtbox red";
    }
}

function isValidOrt(){
    var text=document.getElementById('ort').value;
    var valid = /^[a-zA-Z -öäüßÖÄÜ]{1,}$/;
    if(text.match(valid)){
        document.getElementById('ort').className = "txtbox green";
    }else{
        document.getElementById('ort').className = "txtbox red";
    }
}
function isValidHausNr(){
    var text=document.getElementById('hausnr').value;
    var valid = /^[0-9 \/]{1,}$/;
    if(text.match(valid)){
        document.getElementById('hausnr').className = "txtbox green";
    }else{
        document.getElementById('hausnr').className = "txtbox red";
    }
}
function isValidEmail(){
    var text=document.getElementById('email').value;
    var valid = /^[a-zA-Z0-9-_.]+@[a-zA-Z0-9-_.]+\.[a-zA-Z]{2,4}$/;
    if(text.match(valid)){
        document.getElementById('email').className = "txtbox green";
    }else{
        document.getElementById('email').className = "txtbox red";
    }
}
function isValidNick(){
    var text=document.getElementById('nick').value;
    var valid = /^[a-zA-Z0-9 -.#*+;_!?]{2,}$/;
    if(text.match(valid)){
        document.getElementById('nick').className = "txtbox green";
    }else{
        document.getElementById('nick').className = "txtbox red";
    }
}
function isValidPwd1(){
    var text=document.getElementById('password1').value;
    var valid = /^.{3,}$/;
    if(text.match(valid)&&text!=""){
        document.getElementById('password1').className = "txtbox green";
    }else{
        document.getElementById('password1').className = "txtbox red";
    }
}
function isValidPwd1x(){
    var text=document.getElementById('password1').value;
    var valid = /^.{3,}$/;
    if(text.match(valid)&&text!=""){
        document.getElementById('password1').className = "txtbox green";
    }else{
        document.getElementById('password1').className = "txtbox red";
    }
}
function isValidPwd2(){
    var text=document.getElementById('password2').value;
    var valid = /^.{3,}$/;
    if((text==document.getElementById('password1').value)&&text.match(valid)&&text!=""){
        document.getElementById('password2').className = "txtbox green";
    }else{
        document.getElementById('password2').className = "txtbox red";
    }
}

function isValidName(){
    var text=document.getElementById('name').value;
    var valid = /^[a-zA-Z -öäüßÖÄÜ]{2,}$/;
    if(text.match(valid)){
        document.getElementById('name').className = "txtbox green";
    }else{
        document.getElementById('name').className = "txtbox red";
    }
}
function isValidStaat(){
    var text=document.getElementById('staat').value;
    if((text!="")){
        document.getElementById('staat').className = "txtbox green";
    }else{
        document.getElementById('staat').className = "txtbox red";
    }
}

function isValidAnsprechpartner(){
    var text=document.getElementById('ansprechpartner').value;
    if((text!="")){
        document.getElementById('ansprechpartner').className = "txtbox green";
    }else{
        document.getElementById('ansprechpartner').className = "txtbox red";
    }
}

function isValidInhaber(){
    var text=document.getElementById('inhaber').value;
    var valid = /^[a-zA-Z -öäüßÖÄÜ]{2,}$/;
    if(text.match(valid)||text==""){
        document.getElementById('inhaber').className = "txtbox green";
    }else{
        document.getElementById('inhaber').className = "txtbox red";
    }
}
function isValidText(){
    var text=document.getElementById('text').value;
    if(text.length>20&&text.length<1000){
        document.getElementById('text').className = "txtbox green";
    }else{
        document.getElementById('text').className = "txtbox red";
    }
}
function isValidKredit(){
    var text1=document.getElementById('kredit1').value;
    var text2=document.getElementById('kredit2').value;
    var text3=document.getElementById('kredit3').value;
    var text4=document.getElementById('kredit4').value;
    var valid = /^[0-9]{4}$/;
    if((text1.match(valid)&&text2.match(valid)&&text3.match(valid)&&text4.match(valid))||
        (text1==""&&text2==""&&text3==""&&text4=="")){
        document.getElementById('kredit1').className = "txtbox green";
        document.getElementById('kredit2').className = "txtbox green";
        document.getElementById('kredit3').className = "txtbox green";
        document.getElementById('kredit4').className = "txtbox green";
    }else{
        document.getElementById('kredit1').className = "txtbox red";
        document.getElementById('kredit2').className = "txtbox red";
        document.getElementById('kredit3').className = "txtbox red";
        document.getElementById('kredit4').className = "txtbox red";
    }
}
function isValidAblauf(){
    var text1=document.getElementById('ablauf1').value;
    var text2=document.getElementById('ablauf2').value;
    if((text1>0&&text1<=12&&text2>=10)||(text1==""&&text2=="")){
        document.getElementById('ablauf1').className = "txtbox green";
        document.getElementById('ablauf2').className = "txtbox green";
    }else{
        document.getElementById('ablauf1').className = "txtbox red";
        document.getElementById('ablauf2').className = "txtbox red";
    }
}