jQuery.validator.addMethod( 
	"selectNone", 
	function(value, element) { 
	if (element.value == "0") 
	{ 
	return false; 
	} 
	else return true; 
	}, 
	" *" 
); 

$(document).ready(function(){ 
	  $("#lv_form").validate({
		  rules: { 
		  	 berufsstatus: { 
		  	 	selectNone: true 
		  	 },
		  	children: { 
			  	 	selectNone: true 
			},
			familienstand: { 
			  	 	selectNone: true 
			}
		  },
	      errorClass: "warning"
		});
});