// (C) Netlogic, 2003
oldValidateFunc = window.onload;
window.onload = function() {
	if(typeof oldValidateFunc == 'function') {
		oldValidateFunc();
	}

	ValidateForms();
}

function ValidateForms() {
	for (i = 0; i < document.forms.length; i++) {
		if(document.forms[i].onsubmit) continue;

		document.forms[i].onsubmit = function(e) {
			return TypicalValidateForm(this);
		}
	}
}

function TypicalValidateForm(form) {
	for(var i=0; i<form.elements.length; i++) {
		var value = form.elements[i].value;

		switch(form.elements[i].type) {
			case 'text':
			case 'password':
			case 'textarea':
				pattern = form.elements[i].getAttribute('pattern');

				if(pattern2 = form.elements[i].getAttribute('pattern2')) {pattern = pattern2;}
					
				if(pattern) {
					switch(pattern) {
						case 'string':
							if(!value.length) {
								return ValidateNotice(form.elements[i]);
							}
							break;

						case 'number':
							if(!isNumeric(value)) {
								return ValidateNotice(form.elements[i]);
							}
							break;

						case 'url':
							if(!isUrl(value)) {
								return ValidateNotice(form.elements[i]);
							}
							break;

						case 'email':
							if(!isEmail(value)) {
								return ValidateNotice(form.elements[i]);
							}
							break;

						default:	
							if(!isPattern(pattern, value)) {
								return ValidateNotice(form.elements[i]);
							}
							break;
					}
				}
				break;

			case 'radio':
			case 'checkbox':
				min = form.elements[i].getAttribute('min') ? form.elements[i].getAttribute('min') : 0;
				max = form.elements[i].getAttribute('max') ? form.elements[i].getAttribute('max') : document.getElementsByName(form.elements[i].getAttribute('name')).length;

				if(min || max) {
					var items = document.getElementsByName(form.elements[i].getAttribute('name'));
					var count = 0;

					for(var l=0; l<items.length; l++){
						if(items[l].checked) {
							count++;
						}
					}

					if(count < min || count > max) {
						return ValidateNotice(form.elements[i]);
					}
				}
				break;

			case 'select-one':
			case 'select-multiple':
				selected = form.elements[i].options[form.elements[i].selectedIndex];
				if(selected && selected.getAttribute('notselected')) {
					return ValidateNotice(form.elements[i]);
				}
				break;

				break;

			case 'file':
				break;

			case 'image':
			case 'submit':
				form.elements[i].disabled = true;
			case 'button':
			case 'reset':
				break;

			default:
				break;
		}
	}

	return true;
}

function ValidateNotice(input) {
	alert(input.getAttribute('notice'));
	input.focus();
	return false;
}

function isUrl(str) {
	return isPattern("^https?:\/\/(?:[a-z0-9_-]{1,32}(?::[a-z0-9_-]{1,32})?@)?(?:(?:[a-z0-9-]{1,128}\.)+(?:com|net|org|mil|edu|arpa|gov|biz|info|aero|inc|name|[a-z]{2})|(?!0)(?:(?!0[^.]|255)[0-9]{1,3}\.){3}(?!0|255)[0-9]{1,3})(?:\/[a-z0-9.,_@%&?+=\~\/-]*)?(?:#[^ '\"&<>]*)?$", str.toLowerCase());
}

function isNumeric(str) {
	return isPattern("[0-9]", str);
}

function isEmail(str) {
	return isPattern("^([a-z0-9_-]+)(\\.[a-z0-9_-]+)*@((([a-z0-9-]+\\.)+(com|net|org|mil|edu|gov|arpa|info|biz|inc|name|[a-z]{2}))|([0-9]{1,3}\\.[0-9]{1,3}\\.[0-9]{1,3}\\.[0-9]{1,3}))$", str.toLowerCase());
}

function isPattern(pattern, str) {
	var re = new RegExp(pattern, "g");
	return re.test(str);
}