function xak_validate_zip_code(value) {
	var re = /^\d{5}?$/;
  return (re.test(value));
}

function xak_submit_form(name) {
	var sform = document.getElementsByName(name)[0];
	if( (name == 'startsearchPlz') || (name == 'startTeaserPlz') )
	{
		if(xak_validate_zip_code(sform.elements["xak_plz"].value))	{
			sform.submit();
		}		else	{
			sform.elements["xak_plz"].style.backgroundColor = '#feb4b5';
		}
	}	else if((name == 'startsearchTeaserRegion') || (name == 'startsearchRegion')) {
			if(sform.elements["xak_region"].value.length > 2)	{
				sform.submit();
			}		else	{
				sform.elements["xak_region"].style.backgroundColor = '#feb4b5';
			}
	} else {
		
	}
	
	return false;
}