/**
 * jQuery-Plugin "formValidate"
 * @version: 0.1, 05.01.2010
 * @author: Kotelnitskiy Evgeniy <kotelnitskiy@yandex.ru>
 * @example: jQuery('#quote_form_main input[type=text]').validate();
 */
(function(jQuery) {
	jQuery.fn.formValidate = function() {

		function validEmail(val) {
			return (/^([a-z0-9_\-]+\.)*[a-z0-9_\-]+@([a-z0-9][a-z0-9\-]*[a-z0-9]\.)+[a-z]{2,4}$/i).test(val);
		}

		function validPhone(val) {
			return (/^[0-9]*$/).test(val);
		}

		function validUrl(val) {
			return (/^(http|https|ftp):\/\/[a-z0-9]+([\-\.]{1}[a-z0-9]+)*\.[a-z]{2,5}(:[0-9]{1,5})?(\/.*)?$/i).test(val);
		}

		var errors = 0;
		jQuery(this).each(function() {
			var el = jQuery(this);

			if (el.is('.email') && ! validEmail(el.val())) {
				el.parent().addClass('fv-error');
				errors ++;
			}
			else if (el.is('.phone') && ! validPhone(el.val())) {
				el.parent().addClass('fv-error');
				errors ++;
			}
			else if (el.is('.url') && ! validUrl(el.val())) {
				el.parent().addClass('fv-error');
				errors ++;
			}
			else if ((el.val() == '') || (el.val() == el.attr('rel'))) {
				el.parent().addClass('fv-error');
				errors ++;
			}
			else {
				el.parent().removeClass('fv-error');
			}
		});
		return errors;
	};
})(jQuery);