document.observe('dom:loaded', function() {

	if ($("cbformcont")) {

		function validateCallBack() {

			if ($F("cbname") == "" || $F("cbname").length < 2 || !isNaN($F("cbname"))) {
				alert("Please enter your name.");
				return 0;
			}

			if ($F("cbtel") == "" || $F("cbtel").replace(/ /g, "").length != 11 || $F("cbtel").replace(/ /g, "").substr(0, 1) != 0 || isNaN($F("cbtel").replace(/ /g, ""))) {
				alert("Please enter a correct telephone number.");
				return 0;
			}

			if ($F("cbtime") == 0) {
				alert("Please select a preferred time for us to call you back");
				return 0;
			}

			return 1;
		}


		function requestCallBack() {

			if (validateCallBack()) {

				var cbtime = $F("cbtime");

				// do ajax request to send email
				$("cbform").request({
					parameters: { "m": "buymycarsms", "ajax": "1" }
					,onSuccess: function() {
						$("cbformcont").setStyle("height:122px");
						$("cbformcont").innerHTML = "Thank you for your request.<br /><br />A member of our team will be in touch " + cbtime + ".";
					}
				})
				
			}
		}

		$("cbsubmit").observe("click", requestCallBack);

	}
})