// form validation functions
function ValidatePassword(form) {

	if (form.password.value.length < 1) {
		alert("Your password cannot be blank!");
		form.password.focus();
		return false;
	}
	
	if (form.password.value != form.confirm.value) {
		alert("Please confirm your password!");
		form.confirm.focus();
		return false;
	}
	
	return true;

}

// validate an image
function ValidImage(image) {

	if (image.length < 5 ||
		image.indexOf(".gif") == -1 &&
		image.indexOf(".jpg") == -1)
		
		return false;
	else
		return true;

}

// validate an email address
function ValidEmail(email) {

	if (email.length < 3 ||
		email.indexOf('@') == -1 ||
		email.indexOf('.') == -1)
		
		return false;
	
	else
	
		return true;

}

// validate a url
function ValidURL(url) {

	if (url.length < 3 ||
		url.indexOf('http://') == -1 ||
		url.indexOf('.') == -1)
		
		return false;
	else
		return true;

}