function form_validate()
{
	var ok;
	ok = true;
	var gewaehlt = false;
	
	if (document.formAbo.szFirstName.value == "" && ok){
	  alert('First Name incorrect!');
	  ok = false;  
	  document.formAbo.szFirstName.focus();	    
	}
	
	if (document.formAbo.szLastName.value == "" && ok){
	  alert('Last Name incorrect!');
	  ok = false;  
	  document.formAbo.szLastName.focus();	    
	}

	if (document.formAbo.szAddress.value == "" && ok){
          alert('Address incorrect!')
	  ok = false;
	  document.formAbo.szAddress.focus();
	}
	
	if (document.formAbo.nPLZ.value == "" && ok){
          alert('Post Code / Zip Code incorrect!')
	  ok = false;
	  document.formAbo.nPLZ.focus();
	}
	
	if (document.formAbo.szLocation.value == "" && ok){
          alert('City / Town incorrect!')
	  ok = false;
	  document.formAbo.szLocation.focus();
	}
	
	if (document.formAbo.szCountry.value == "" && ok){
          alert('Country incorrect!')
	  ok = false;
	  document.formAbo.szCountry.focus();
	}
	
	if (document.formAbo.szMail.value == "" && ok){
	  		alert('E-Mail incorrect!')
	  		ok = false;
	  		document.formAbo.szMail.focus();    
	}
	
	if (document.formAbo.szMail.value != "" && ok){
    	if(document.formAbo.szMail.value.indexOf('@') == -1){
	  		alert('E-Mail incorrect!')
	  		ok = false;
	  		document.formAbo.szMail.focus();    
		}
	}
	
	if (ok){
	 document.formAbo.submit();
	}
}