$(document).ready(function() {

	// ------------ numbers only
	$("#zip").keydown(function(e)
	{
		if(e.which!=8 && e.which!=0 && (e.which<48 || e.which>57) && (e.which<96 || e.which>105))
		{ return false;}
	});
	
	// ------------ validation and rules
	$("#contactform").validate({
		
		errorPlacement: function(error,element) {
        	return true;
        },
		
		highlight: function(element, errorClass) {
     		$(element).addClass("error");
 		},
		
		focusInvalid: false,
	  
	   rules: {
			first_name: {required:true, minlength:2},
			last_name: {required:true, minlength:2},
			address: "required",
			city: "required",
			zip: {required:true, minlength:5},
			phone: {required:true, minlength:10},
			email: {required:true, email: true},
			phone: {required:true, minlength:10},
			message: {required:true, minlength:6},
			captcha: "required"
	   },

	   
	})
	
});