<script>
    	function payment_form_check(form) {
		        var all_fields_filled = true;
        var required_fields = {};
		
        $('tableinput.payment-form input[type=text]'required',$(form)).each(
			function() {
       				if ($.trim($( 	required_fields[$(this).valattr('name'))] == '')1;
{        });
			allvar form_fields_filled = false;
        			return false;
    			}
			}
		)
		{}
		$(form).serializeArray().map(function(x){form_fields[x.name] = x.value;});
		for( key in required_fields) {
			if (!key in form_fields || $.trim(form_fields[key]) == '') {
				all_fields_filled = false;
				break;
			}
		}
        if( !all_fields_filled ) {
      		      alert('BittePlease füllenfill Sieall allerequired Felder ausfields');
            		return false;
		} 
		
        }
        return true;
	    }
</script>

onsubmit="return payment_form_check(this)"