var ajaxv = false;

function ajaxvalidate(t) {
$.ajax( 
{
async: false,
cache: false,
type: 'POST',
dataType: 'text',
url: 'images/captcha/validate.php',
data: {v: t},
success: function(data) {
if(data.length == 1) {
v = parseInt(data);
ajaxv = v == 1 ? true : false;
return ajaxv;
}
else
return false;
},
error: function (XMLHttpRequest, textStatus, errorThrown) {
return false;
}
}

);
}

function validSignup(crvs) { 
	var message = "";
	
	if (crvs.elements['email'].value == "") { 
		message+="E-mail address is required\n";
	}
	else if (!emailCheck(crvs.elements['email'], false)) { 
		message+="Please enter a valid e-mail address\n";
	}
	
	// validation
	if(crvs.validate) {
	if (crvs.validate.value.length != 6) { 
	message = message + "Please enter proper security code\n";
	}
	else {
	ajaxvalidate(crvs.validate.value);
	if(!ajaxv) message+='Security code not accepted, please try again\n';
	}
	}

	if(message!=""){
		alert("The following form field(s) were incomplete or incorrect:\n\n" + message + "\n\nPlease complete or correct the form and submit again.");
		return false;
	}    
	else {
		return true;
	} 
}