// JavaScript Document
function checkform(){
if(document.presse.vorname.value=="")
{
document.getElementById('fehler').style.visibility = 'visible';
return false;
}
if(document.presse.nachname.value=="")
{
document.getElementById('fehler').style.visibility = 'visible';
return false;
} 	
if(document.presse.strasse.value=="")
{
document.getElementById('fehler').style.visibility = 'visible';
return false;
} 	
if(document.presse.hausnr.value=="")
{
document.getElementById('fehler').style.visibility = 'visible';
return false;
} 	
if(document.presse.plz.value=="")
{
document.getElementById('fehler').style.visibility = 'visible';
return false;
} 	
if(document.presse.ort.value=="")
{
document.getElementById('fehler').style.visibility = 'visible';
return false;
} 	
if(document.presse.email.value=="")
{
document.getElementById('fehler').style.visibility = 'visible';
return false;
}
else {document.presse.submit();}
}