jQuery.validator.addMethod("english", function(value, element) {
	return this.optional(element) || /^[a-z0-9-@_.,()\s]+$/i.test(value);
}, "Letters or punctuation only please");  


jQuery.validator.addMethod("postcode", function(post_code, element) {
	/*==============================================================================
	Modified by Rana, based on
	Application:   Utility Function
	Author:        John Gardner
	Version:       V3.0
	Date:          8th August 2005
	------------------------------------------------------------------------------*/
	// Permitted letters depend upon their position in the postcode.
	var alpha1 = "[abcdefghijklmnoprstuwyz]";                       // Character 1
	var alpha2 = "[abcdefghklmnopqrstuvwxy]";                       // Character 2
	var alpha3 = "[abcdefghjkstuw]";                                // Character 3
	var alpha4 = "[abehmnprvwxy]";                                  // Character 4
	var alpha5 = "[abdefghjlnpqrstuwxyz]";                          // Character 5
	// Array holds the regular expressions for the valid postcodes
	var pcexp = new Array ();
	// Expression for postcodes: AN NAA, ANN NAA, AAN NAA, and AANN NAA
	pcexp.push (new RegExp ("^(" + alpha1 + "{1}" + alpha2 + "?[0-9]{1,2})(\\s*)([0-9]{1}" + alpha5 + "{2})$","i"));
	// Expression for postcodes: ANA NAA
	pcexp.push (new RegExp ("^(" + alpha1 + "{1}[0-9]{1}" + alpha3 + "{1})(\\s*)([0-9]{1}" + alpha5 + "{2})$","i"));
	// Expression for postcodes: AANA  NAA
	pcexp.push (new RegExp ("^(" + alpha1 + "{1}" + alpha2 + "?[0-9]{1}" + alpha4 +"{1})(\\s*)([0-9]{1}" + alpha5 + "{2})$","i"));
	// Exception for the special postcode GIR 0AA
	pcexp.push (/^(GIR)(\s*)(0AA)$/i);
	// Standard BFPO numbers
	pcexp.push (/^(bfpo)(\s*)([0-9]{1,4})$/i);
	// c/o BFPO numbers
	pcexp.push (/^(bfpo)(\s*)(c\/o\s*[0-9]{1,3})$/i);
	// Overseas Territories
	pcexp.push (/^([A-Z]{4})(\s*)(1ZZ)$/i);
	// Assume we're not going to find a valid postcode
	var valid = false;
	// Check the string against the types of post codes
	for ( var i=0; i<pcexp.length; i++) {
		if (pcexp[i].test(post_code)) {
			// The post code is valid - split the post code into component parts
			pcexp[i].exec(post_code);
			// Copy it back into the original string, converting it to uppercase and
			// inserting a space between the inward and outward codes
			post_code = RegExp.$1.toUpperCase() + " " + RegExp.$3.toUpperCase();
			// If it is a BFPO c/o type postcode, tidy up the "c/o" part
			post_code = post_code.replace (/C\/O\s*/,"c/o ");
			// Load new postcode back into the form element
			valid = true;
			// Remember that we have found that the code is valid and break from loop
			break;
		}
	}
	return this.optional(element) || valid;
}, "Please specify a valid post code.");
//
jQuery.validator.addMethod("blacklistun", function(un, element, params) {
	var valid = ((','+params.toLowerCase()+',').indexOf(','+un+',')==-1);
	return this.optional(element) || valid;
}, "Specified Username is not valid.");