$.validator.addMethod("letlees", function(value, element) {
	return this.optional(element) || /^[a-z-+=?!@#*()%&><:;áàäéèëíìïúùü\.\,\'/\s]+$/i.test(value);
}, "Alleen letters en normale leestekens"); 
$.validator.addMethod("letnumlees", function(value, element) {
	return this.optional(element) || /^[a-z0-9-+=?!@#*()%&><:;áàäéèëíìïúùü\/\.\,\'/\s]+$/i.test(value);
}, "Alleen letters, cijfers en normale leestekens"); 
$.validator.addMethod("postcode", function(value, element) {
	return this.optional(element) || /^[a-z0-9-./\s]+$/i.test(value);
}, "Letters, cijfers of spaties alleen"); 

// Maak de dateNL
//de jaren testen: 19[3-9]|200[0-3])?\d{0} voor 1930 tm 2003
$.validator.addMethod('dateNL', function(value, element) {
			return this.optional(element) || /^(((((0[1-9])|(1\d)|(2[0-8]))-((0[1-9])|(1[0-2])))|((31-((0[13578])|(1[02])))|((29|30)-((0[1,3-9])|(1[0-2])))))-((20[0][0-3]))|((((0[1-9])|(1\d)|(2[0-8]))-((0[1-9])|(1[0-2])))|((31-((0[13578])|(1[02])))|((29|30)-((0[1,3-9])|(1[0-2])))))-((19[3-9][0-9]))|(29-02-20([0][0]))|(29-02-19(([468][048])|([3579][26]))))$/i.test(value);
		}, 'Geef een geldige datum tussen 1930 en 2003 op');