// JavaScript Document
$("#send").attr("disabled", "disabled");
$("#send").click(function(){sendMail();return false;});
$("#email").blur(function(){validateMail();});


/* if email is valid, ungrey send button, if not, grey send button and display error message*/
function validateMail() {
	if (isValidEmailAddress($("#email").val())) {
		$("#errorMessage").hide();
		$("#send").attr("disabled", "");
		$("#okMessage").fadeIn();
	} else {
		$("#okMessage").hide();
		$("#send").attr("disabled", "disabled");
		$("#errorMessage").fadeIn();
	}
}

/* validate email*/
function isValidEmailAddress(emailAddress) {
	var pattern = new RegExp(/^(("[\w-\s]+")|([\w-]+(?:\.[\w-]+)*)|("[\w-\s]+")([\w-]+(?:\.[\w-]+)*))(@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$)|(@\[?((25[0-5]\.|2[0-4][0-9]\.|1[0-9]{2}\.|[0-9]{1,2}\.))((25[0-5]|2[0-4][0-9]|1[0-9]{2}|[0-9]{1,2})\.){2}(25[0-5]|2[0-4][0-9]|1[0-9]{2}|[0-9]{1,2})\]?$)/i);
	return pattern.test(emailAddress);
}